156
Fullfit the caption on the element's width

Dim oSurface as P
Dim var_Element as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Element = oSurface.Elements.Add("<solidline><b>Bank Account</b></solidline><br>+ owner: String <r><a 1;properties>+</a><br><solidline>+ balance: Currency = 0</solidline><br>+ deposit(amount: Currency)<r><a 2;methods>+</a><br>+ withdraw(amount: Currency)")
	var_Element.CaptionSingleLine = 1
	var_Element.BackColor = 16316664
	var_Element.AutoSize = .f.
	var_Element.Width = 194
	var_Element.Height = 76
	var_Element.CaptionAlign = 4 '4 + 

155
Wrap the caption by <br> or "\r\n" sequence only

Dim oSurface as P
Dim var_Element as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Element = oSurface.Elements.Add("<solidline><b>Bank Account</b></solidline><br>+ owner: String <r><a 1;properties>+</a><br><solidline>+ balance: Currency = 0</solidline><br>+ deposit(amount: Currency)<r><a 2;methods>+</a><br>+ withdraw(amount: Currency)")
	var_Element.CaptionSingleLine = 1
	var_Element.BackColor = 16316664

154
Display a custom tooltip
' Occurs when the user moves the mouse.
function MouseMove as v (Button  as  N,Shift  as  N,X  as  OLE::Exontrol.Surface.1::OLE_XPOS_PIXELS,Y  as  OLE::Exontrol.Surface.1::OLE_YPOS_PIXELS)
	oSurface = topparent:CONTROL_ACTIVEX1.activex
	oSurface.ShowToolTip("new content","",,"+8","+8")
end function

Dim oSurface as P

oSurface = topparent:CONTROL_ACTIVEX1.activex

153
Shows the tooltip of the object moved relative to its default position
' Occurs when the user moves the mouse.
function MouseMove as v (Button  as  N,Shift  as  N,X  as  OLE::Exontrol.Surface.1::OLE_XPOS_PIXELS,Y  as  OLE::Exontrol.Surface.1::OLE_YPOS_PIXELS)
	oSurface = topparent:CONTROL_ACTIVEX1.activex
	oSurface.ShowToolTip("<null>","<null>",,"+8","+8")
end function

Dim oSurface as P
Dim var_Element as local

oSurface = topparent:CONTROL_ACTIVEX1.activex
' oSurface.Elements.Add("Element with a Tooltip").ToolTip = "This is a bit of text that should be displayed when cursor hovers the element."
var_Element = oSurface.Elements.Add("Element with a Tooltip")
oSurface.TemplateDef = "dim var_Element"
oSurface.TemplateDef = var_Element
oSurface.Template = "var_Element.ToolTip = `This is a bit of text that should be displayed when cursor hovers the element.`"


152
Rename Undo/Redo commands into the control's toolbar

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
oSurface.ToolBarFormat = "-1,100,101,|,103,104"
oSurface.Template = "ToolBarCaption(100) = `<img>1</img>Acasa`" // oSurface.ToolBarCaption(100) = "<img>1</img>Acasa"
oSurface.Template = "ToolBarCaption(103) = `Anuleaza <img>3</img>`" // oSurface.ToolBarCaption(103) = "Anuleaza <img>3</img>"
oSurface.Template = "ToolBarCaption(104) = `<img>4</img>Reface`" // oSurface.ToolBarCaption(104) = "<img>4</img>Reface"
oSurface.Template = "ToolBarToolTip(100) = `Restabileste vizualizarea la origine.`" // oSurface.ToolBarToolTip(100) = "Restabileste vizualizarea la origine."
oSurface.Template = "ToolBarToolTip(101) = `Mareste vizualizarea.`" // oSurface.ToolBarToolTip(101) = "Mareste vizualizarea."
oSurface.Template = "ToolBarToolTip(103) = `Anuleaza ultima actiune UI. Pentru a anula o actiune apasati Ctrl+Z.`" // oSurface.ToolBarToolTip(103) = "Anuleaza ultima actiune UI. Pentru a anula o actiune apasati Ctrl+Z."
oSurface.Template = "ToolBarToolTip(104) = `Inverseaza cea mai recenta operatie de anulare. Pentru a reface o actiune apasati Ctrl+Y.`" // oSurface.ToolBarToolTip(104) = "Inverseaza cea mai recenta operatie de anulare. Pentru a reface o actiune apasati Ctrl+Y."
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-48)
	var_Elements.Add("Item <b>2",32,32)
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.EndUpdate()

151
Add Undo/Redo commands to control's toolbar

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
oSurface.ToolBarFormat = "-1,100,101,|,103,104"
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-48)
	var_Elements.Add("Item <b>2",32,32)
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.EndUpdate()

150
Clear Undo/Redo queue (method 2)
Dim c as 
Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
c = oSurface.UndoRedoQueueLength
oSurface.UndoRedoQueueLength = 0
oSurface.UndoRedoQueueLength = c
? oSurface.UndoListAction() 
oSurface.EndUpdate()

149
Clear Undo/Redo queue (method 1)
Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.AllowUndoRedo = .t.
? oSurface.UndoListAction() 
oSurface.EndUpdate()

148
Removes Redo operations
Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.Undo()
oSurface.RedoRemoveAction(10)
? oSurface.RedoListAction() 
oSurface.EndUpdate()

147
Removes Undo operations
Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.UndoRemoveAction(10)
? oSurface.UndoListAction() 
oSurface.EndUpdate()

146
Record the UI operations as a block of undo/redo operations

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
oSurface.StartBlockUndoRedo()
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.EndBlockUndoRedo()
? oSurface.UndoListAction() 
oSurface.EndUpdate()

145
Groups the next to current Undo/Redo Actions in a single block

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.GroupUndoRedoActions(3)
? oSurface.UndoListAction() 
oSurface.EndUpdate()

144
Limits the number of entries within the Undo/Redo queue

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
oSurface.UndoRedoQueueLength = 1
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
? oSurface.UndoListAction() 
oSurface.EndUpdate()

143
Lists the Redo actions that can be performed on the surface

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.Undo()
? oSurface.RedoListAction() 
oSurface.EndUpdate()

142
Lists the Undo actions that can be performed on the surface

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
? oSurface.UndoListAction() 
oSurface.EndUpdate()

141
Checks whether the Undo operation is possible

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.Undo()
? "CanRedo" 
? oSurface.CanRedo 
oSurface.EndUpdate()

140
Call Redo by code

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.Undo()
oSurface.Redo()
oSurface.EndUpdate()

139
Checks whether the Undo operation is possible

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
? "CanUndo" 
? oSurface.CanUndo 
oSurface.EndUpdate()

138
Call Undo by code

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.Undo()
oSurface.EndUpdate()

137
Save the element's properties for Undo/Redo operations, by code

Dim h as 
Dim oSurface as P
Dim var_Elements as P
Dim var_Link as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Item <b>1",-64,-64)
	var_Elements.Add("Item <b>2")
oSurface.StartBlockUndoRedo()
var_Link = oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	h = var_Link.StartUpdateLink
	var_Link.Color = 255
	var_Link.Width = 2
	var_Link.ShowDir = .f.
	var_Link.ShowLinkType = 2
	var_Link.EndUpdateLink(h)
oSurface.EndBlockUndoRedo()
oSurface.EndUpdate()

136
No color is restored for the link when Undo/Redo operation is executed

' A new element has been added to the surface.
function AddElement as v (Element  as  OLE::Exontrol.Surface.1::IElement)
	' Element.ShowCheckBox = True
	' Element.CheckBoxAlign = 2
	oSurface = topparent:CONTROL_ACTIVEX1.activex
end function

Dim h as 
Dim oSurface as P
Dim var_Element as local
Dim var_Elements as P
Dim var_Link as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Check <b>1",-64,-64)
	' var_Elements.Add("Check <b>2").Checked = 1
	var_Element = var_Elements.Add("Check <b>2")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.Checked = 1"

oSurface.StartBlockUndoRedo()
var_Link = oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	h = var_Link.StartUpdateLink
	var_Link.Color = 255
	var_Link.Width = 2
	var_Link.ShowDir = .f.
	var_Link.ShowLinkType = 2
	var_Link.EndUpdateLink(h)
oSurface.EndBlockUndoRedo()
oSurface.EndUpdate()

135
Save the element's properties for Undo/Redo operations, by code

Dim h as 
Dim oSurface as P
Dim var_Element as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
oSurface.Elements.Add("Item <b>1",-64,-64)
oSurface.StartBlockUndoRedo()
var_Element = oSurface.Elements.Add("Item <b>2")
	h = var_Element.StartUpdateElement
	var_Element.BackColor = 0
	var_Element.ForeColor = 16777215
	var_Element.BorderColor = 255
	var_Element.EndUpdateElement(h)
oSurface.EndBlockUndoRedo()
oSurface.EndUpdate()

134
No color is restored for the element when Undo/Redo operation is executed

Dim h as 
Dim oSurface as P
Dim var_Element as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
oSurface.Elements.Add("Item <b>1",-64,-64)
oSurface.StartBlockUndoRedo()
var_Element = oSurface.Elements.Add("Item <b>2")
	h = var_Element.StartUpdateElement
	var_Element.BackColor = 0
	var_Element.ForeColor = 16777215
	var_Element.BorderColor = 255
	var_Element.EndUpdateElement(h)
oSurface.EndBlockUndoRedo()
oSurface.EndUpdate()

133
How can I ensure that a specified element fits the surface's visible area

Dim oSurface as P
Dim var_Elements as P
Dim var_Pattern as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Elements = oSurface.Elements
	var_Pattern = var_Elements.Add("Element A",-100).Pattern
		var_Pattern.Type = 6
		var_Pattern.Color = 14737632
	var_Elements.Add("Element B",2000).EnsureVisible()

132
LayoutEndChanging(exUndo), LayoutEndChanging(exRedo) or LayoutEndChanging(exUndoRedoUpdate) notifiy your application once a Undo/Redo operation is executed (CTRL+Z, CTRL+Y) or updated

' A new element has been added to the surface.
function AddElement as v (Element  as  OLE::Exontrol.Surface.1::IElement)
	' Element.ShowCheckBox = True
	' Element.CheckBoxAlign = 2
	oSurface = topparent:CONTROL_ACTIVEX1.activex
end function

' Notifies your application once the control's layout has been changed.
function LayoutEndChanging as v (Operation  as  OLE::Exontrol.Surface.1::LayoutChangingEnum)
	oSurface = topparent:CONTROL_ACTIVEX1.activex
	? "LayoutEndChanging" 
	? Operation 
end function

Dim oSurface as P
Dim var_Element as local
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Check <b>1",-64,-64)
	' var_Elements.Add("Check <b>2").Checked = 1
	var_Element = var_Elements.Add("Check <b>2")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.Checked = 1"

oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.EndUpdate()

131
Turn on the Undo/Redo feature

' A new element has been added to the surface.
function AddElement as v (Element  as  OLE::Exontrol.Surface.1::IElement)
	' Element.ShowCheckBox = True
	' Element.CheckBoxAlign = 2
	oSurface = topparent:CONTROL_ACTIVEX1.activex
end function

Dim oSurface as P
Dim var_Element as local
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowUndoRedo = .t.
var_Elements = oSurface.Elements
	var_Elements.Add("Check <b>1",-64,-64)
	' var_Elements.Add("Check <b>2").Checked = 1
	var_Element = var_Elements.Add("Check <b>2")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.Checked = 1"

oSurface.Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
oSurface.EndUpdate()

130
ImageSize property on 32 (specifies the size of control' icons/images/check-boxes/radio-buttons)

' A new element has been added to the surface.
function AddElement as v (Element  as  OLE::Exontrol.Surface.1::IElement)
	' Element.ShowCheckBox = True
	oSurface = topparent:CONTROL_ACTIVEX1.activex
end function

Dim oSurface as P
Dim var_Appearance as P
Dim var_Element as P
Dim var_Element1 as local
Dim var_Element2 as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.ImageSize = 32
oSurface.Font.Size = 16
oSurface.Images("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")
var_Appearance = oSurface.VisualAppearance
	var_Appearance.Add(1,"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")
	var_Appearance.Add(2,"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")
	var_Appearance.Add(3,"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")
oSurface.Template = "Background(70) = 16777216" // oSurface.Background(70) = 16777216
oSurface.Template = "Background(71) = 33554432" // oSurface.Background(71) = 33554432
oSurface.Template = "Background(72) = 50331648" // oSurface.Background(72) = 50331648
var_Elements = oSurface.Elements
	var_Element = oSurface.Elements.Add("Element Check 1",-64,-64)
	' var_Elements.Add("Child").Parent = var_Element
	var_Element1 = var_Elements.Add("Child")
	oSurface.TemplateDef = "dim var_Element1"
	oSurface.TemplateDef = var_Element1
	oSurface.Template = "var_Element1.Parent = var_Element"

		var_Element.Pictures = "1/2"
		var_Element.Expanded = .f.
	var_Element2 = var_Elements.Add("Element Check 2",32,96)
		var_Element2.Checked = 1
		var_Element2.Pictures = "1,2"
oSurface.Home()
oSurface.EndUpdate()

129
ImageSize property on 16 (default) (specifies the size of control' icons)

' A new element has been added to the surface.
function AddElement as v (Element  as  OLE::Exontrol.Surface.1::IElement)
	' Element.ShowCheckBox = True
	oSurface = topparent:CONTROL_ACTIVEX1.activex
end function

Dim oSurface as P
Dim var_Element as P
Dim var_Element1 as local
Dim var_Element2 as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.ImageSize = 16
oSurface.Images("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")
var_Elements = oSurface.Elements
	var_Element = oSurface.Elements.Add("Element Check 1",-64,-64)
	' var_Elements.Add("Child").Parent = var_Element
	var_Element1 = var_Elements.Add("Child")
	oSurface.TemplateDef = "dim var_Element1"
	oSurface.TemplateDef = var_Element1
	oSurface.Template = "var_Element1.Parent = var_Element"

		var_Element.Pictures = "1/2"
		var_Element.Expanded = .f.
	var_Element2 = var_Elements.Add("Element Check 2",0,32)
		var_Element2.Checked = 1
		var_Element2.Pictures = "1,2"
oSurface.Home()
oSurface.EndUpdate()

128
We want to have option to start/end connectors at the middle of each side of the elements

Dim oSurface as P
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.ShowLinks = -1
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>1")
	var_Elements.Add("Element <sha ;;0>2",164,64)
	var_Elements.Add("Element <sha ;;0>3",0,132)
var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2))
oSurface.FitToClient()
oSurface.EndUpdate()

127
How can I determine the position the user clicks within the element's boundaries (Click event)

' Occurs when the user presses and then releases the left mouse button over the control.
function Click as v ()
	Dim X as 
	Dim Y as 
	Dim e as P
	oSurface = topparent:CONTROL_ACTIVEX1.activex
	e = oSurface.ElementFromPoint(-1,-1)
	X = -1
	Y = -1
	oSurface.PointToPosition(X,Y)
	? e 
	? X 
	? Y 
end function

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
var_Elements = oSurface.Elements
	var_Elements.Add("Element 1")
	var_Elements.Add("Element 2",128,64)
oSurface.FitToClient()
oSurface.EndUpdate()

126
How can I determine the position the user clicks within the element's boundaries (MouseMove event)

' Occurs when the user moves the mouse.
function MouseMove as v (Button  as  N,Shift  as  N,X  as  OLE::Exontrol.Surface.1::OLE_XPOS_PIXELS,Y  as  OLE::Exontrol.Surface.1::OLE_YPOS_PIXELS)
	Dim e as P
	oSurface = topparent:CONTROL_ACTIVEX1.activex
	e = oSurface.ElementFromPoint(X,Y)
	oSurface.PointToPosition(X,Y)
	? e 
	? X 
	? Y 
end function

Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
var_Elements = oSurface.Elements
	var_Elements.Add("Element 1")
	var_Elements.Add("Element 2",128,64)
oSurface.FitToClient()
oSurface.EndUpdate()

125
How can I convert the screen position (mouse) to surface position

' Occurs when the user moves the mouse.
function MouseMove as v (Button  as  N,Shift  as  N,X  as  OLE::Exontrol.Surface.1::OLE_XPOS_PIXELS,Y  as  OLE::Exontrol.Surface.1::OLE_YPOS_PIXELS)
	oSurface = topparent:CONTROL_ACTIVEX1.activex
	? "Point " 
	? X 
	? Y 
	oSurface.PointToPosition(X,Y)
	? "Position " 
	? X 
	? Y 
end function

Dim oSurface as P
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>1")
	var_Elements.Add("Element <sha ;;0>2",164,64)
	var_Elements.Add("Element <sha ;;0>3",0,132)
var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(1))
oSurface.FitToClient()
oSurface.AxisStyle = 192 'c0 + 
oSurface.AxisColor = 8421504
oSurface.EndUpdate()

124
Is is possible to show just the positive coordinates

Dim oSurface as P
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.Coord = 17 'exAllowPositiveOnly + exCartesian
oSurface.AxisColor = 8421504
oSurface.AxisStyle = 259 'exLinesThick + exLinesDot4
oSurface.ShowLinks = -1
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>1")
	var_Elements.Add("Element <sha ;;0>2",164,64)
	var_Elements.Add("Element <sha ;;0>3",0,132)
var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2))
oSurface.FitToClient()
oSurface.EndUpdate()

123
Cartesian coordinates (positive coordinates are shown top-right to the origin)

Dim oSurface as P
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.Coord = 1
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>1")
	var_Elements.Add("Element <sha ;;0>2",164,64)
	var_Elements.Add("Element <sha ;;0>3",0,132)
var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(1))
oSurface.FitToClient()
oSurface.EndUpdate()

122
Default coordinates (positive coordinates are shown bottom-right to the origin)

Dim oSurface as P
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.Coord = 0
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>1")
	var_Elements.Add("Element <sha ;;0>2",164,64)
	var_Elements.Add("Element <sha ;;0>3",0,132)
var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(1))
oSurface.FitToClient()
oSurface.EndUpdate()

121
Is it possible to customize the path of the links orthogonally similar with Microsoft Visio tool

Dim oSurface as P
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowLinkControlPoint = 31 'exOrthoArrange + exMiddleControlPoint + exControlPoint + exEndControlPoint + exStartControlPoint
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>1")
	var_Elements.Add("Element <sha ;;0>2",164,64)
	var_Elements.Add("Element <sha ;;0>3",0,132)
var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2))
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(1))
oSurface.Zoom = 200
oSurface.FitToClient()
oSurface.EndUpdate()

120
Does your control supports OLE Drag and Drop
' Occurs when a source component is dropped onto a target component when the source component determines that a drop can occur.
function OLEDragDrop as v (Data  as  OLE::Exontrol.Surface.1::IExDataObject,Effect  as  N,Button  as  N,Shift  as  N,X  as  OLE::Exontrol.Surface.1::OLE_XPOS_PIXELS,Y  as  OLE::Exontrol.Surface.1::OLE_YPOS_PIXELS)
	oSurface = topparent:CONTROL_ACTIVEX1.activex
	? Data 
end function

' Occurs when the OLEDrag method is called.
function OLEStartDrag as v (Data  as  OLE::Exontrol.Surface.1::IExDataObject,AllowedEffects  as  N)
	' Data.SetData("some data to drag")
	oSurface = topparent:CONTROL_ACTIVEX1.activex
end function

Dim oSurface as P
Dim var_Element as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.OLEDropMode = 1
var_Element = oSurface.Elements.Add("Click the Element wait for .5 second until + cursor is shown, to start <b>OLE Drag and Drop</b>")
	var_Element.CaptionSingleLine = .f.
	var_Element.AutoSize = .f.
	var_Element.Width = 256
	var_Element.Height = 56

119
Is it possible to disable customizing the path of a specified link

Dim oSurface as P
Dim var_Elements as P
Dim var_Link as local
Dim var_Link1 as local
Dim var_Link2 as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowLinkControlPoint = -1 'ffffffe0 + exOrthoArrange + exMiddleControlPoint + exControlPoint + exEndControlPoint + exStartControlPoint
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B",164,64)
	var_Elements.Add("Element <sha ;;0>B",0,132)
var_Links = oSurface.Links
	' var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2)).CustomPath = "0.5,0.25,0.5,.75"
	var_Link = var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	oSurface.TemplateDef = "dim var_Link"
	oSurface.TemplateDef = var_Link
	oSurface.Template = "var_Link.CustomPath = `0.5,0.25,0.5,.75`"

	' var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2)).CustomPath = "0.5,0.25,0.5,.75"
	var_Link1 = var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2))
	oSurface.TemplateDef = "dim var_Link1"
	oSurface.TemplateDef = var_Link1
	oSurface.Template = "var_Link1.CustomPath = `0.5,0.25,0.5,.75`"

	var_Link2 = var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(1))
		var_Link2.ShowLinkType = 3 'exLinkStraight + exLinkDirect
		var_Link2.StartPos = 0
		var_Link2.Color = 8421504
		var_Link2.AllowControlPoint = 0
oSurface.Zoom = 200
oSurface.FitToClient()
oSurface.EndUpdate()

118
How do I let user customizes the link's path

Dim oSurface as P
Dim var_Elements as P
Dim var_Link as local
Dim var_Link1 as local
Dim var_Link2 as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowLinkControlPoint = -1 'ffffffe0 + exOrthoArrange + exMiddleControlPoint + exControlPoint + exEndControlPoint + exStartControlPoint
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B",164,64)
	var_Elements.Add("Element <sha ;;0>B",0,132)
var_Links = oSurface.Links
	' var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2)).CustomPath = "0.5,0.25,0.5,.75"
	var_Link = var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
	oSurface.TemplateDef = "dim var_Link"
	oSurface.TemplateDef = var_Link
	oSurface.Template = "var_Link.CustomPath = `0.5,0.25,0.5,.75`"

	' var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2)).CustomPath = "0.5,0.25,0.5,.75"
	var_Link1 = var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(2))
	oSurface.TemplateDef = "dim var_Link1"
	oSurface.TemplateDef = var_Link1
	oSurface.Template = "var_Link1.CustomPath = `0.5,0.25,0.5,.75`"

	var_Link2 = var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(1))
		var_Link2.ShowLinkType = 3 'exLinkStraight + exLinkDirect
		var_Link2.StartPos = 0
oSurface.Zoom = 200
oSurface.FitToClient()
oSurface.EndUpdate()

117
How can I generate a picture/image/graph from my diagram
Dim oSurface as P
Dim var_CopyTo as 
Dim var_Element as local
Dim var_Element1 as local
Dim var_Element2 as local
Dim var_Element3 as local
Dim var_Element4 as local
Dim var_Element5 as local
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Elements = oSurface.Elements
	' var_Elements.Add("Element A").ID = "A"
	var_Element = var_Elements.Add("Element A")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.ID = `A`"

	' var_Elements.Add("Element B").ID = "B"
	var_Element1 = var_Elements.Add("Element B")
	oSurface.TemplateDef = "dim var_Element1"
	oSurface.TemplateDef = var_Element1
	oSurface.Template = "var_Element1.ID = `B`"

	' var_Elements.Add("Element C").ID = "C"
	var_Element2 = var_Elements.Add("Element C")
	oSurface.TemplateDef = "dim var_Element2"
	oSurface.TemplateDef = var_Element2
	oSurface.Template = "var_Element2.ID = `C`"

	' var_Elements.Add("Element D").ID = "D"
	var_Element3 = var_Elements.Add("Element D")
	oSurface.TemplateDef = "dim var_Element3"
	oSurface.TemplateDef = var_Element3
	oSurface.Template = "var_Element3.ID = `D`"

	' var_Elements.Add("Element E").ID = "E"
	var_Element4 = var_Elements.Add("Element E")
	oSurface.TemplateDef = "dim var_Element4"
	oSurface.TemplateDef = var_Element4
	oSurface.Template = "var_Element4.ID = `E`"

	' var_Elements.Add("Element E").ID = "F"
	var_Element5 = var_Elements.Add("Element E")
	oSurface.TemplateDef = "dim var_Element5"
	oSurface.TemplateDef = var_Element5
	oSurface.Template = "var_Element5.ID = `F`"

var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("B"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("C"))
	var_Links.Add(oSurface.Elements.Item("B"),oSurface.Elements.Item("D"))
	var_Links.Add(oSurface.Elements.Item("B"),oSurface.Elements.Item("C"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("E"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("F"))
oSurface.Template = "DefArrange(4) = False" // oSurface.DefArrange(4) = .f.
oSurface.Arrange()
var_CopyTo = oSurface.CopyTo("c:/temp/xtest.jpg")
? "!!!check the file c:/temp/xtest.jpg!!!" 

116
How can I generate a picture/image/graph from my diagram
Dim oSurface as P
Dim var_Element as local
Dim var_Element1 as local
Dim var_Element2 as local
Dim var_Element3 as local
Dim var_Element4 as local
Dim var_Element5 as local
Dim var_Elements as P
Dim var_Links as P
Dim var_Print as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Elements = oSurface.Elements
	' var_Elements.Add("Element A").ID = "A"
	var_Element = var_Elements.Add("Element A")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.ID = `A`"

	' var_Elements.Add("Element B").ID = "B"
	var_Element1 = var_Elements.Add("Element B")
	oSurface.TemplateDef = "dim var_Element1"
	oSurface.TemplateDef = var_Element1
	oSurface.Template = "var_Element1.ID = `B`"

	' var_Elements.Add("Element C").ID = "C"
	var_Element2 = var_Elements.Add("Element C")
	oSurface.TemplateDef = "dim var_Element2"
	oSurface.TemplateDef = var_Element2
	oSurface.Template = "var_Element2.ID = `C`"

	' var_Elements.Add("Element D").ID = "D"
	var_Element3 = var_Elements.Add("Element D")
	oSurface.TemplateDef = "dim var_Element3"
	oSurface.TemplateDef = var_Element3
	oSurface.Template = "var_Element3.ID = `D`"

	' var_Elements.Add("Element E").ID = "E"
	var_Element4 = var_Elements.Add("Element E")
	oSurface.TemplateDef = "dim var_Element4"
	oSurface.TemplateDef = var_Element4
	oSurface.Template = "var_Element4.ID = `E`"

	' var_Elements.Add("Element E").ID = "F"
	var_Element5 = var_Elements.Add("Element E")
	oSurface.TemplateDef = "dim var_Element5"
	oSurface.TemplateDef = var_Element5
	oSurface.Template = "var_Element5.ID = `F`"

var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("B"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("C"))
	var_Links.Add(oSurface.Elements.Item("B"),oSurface.Elements.Item("D"))
	var_Links.Add(oSurface.Elements.Item("B"),oSurface.Elements.Item("C"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("E"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("F"))
oSurface.Template = "DefArrange(4) = False" // oSurface.DefArrange(4) = .f.
oSurface.Arrange()
var_Print = OLE.Create("Exontrol.Print")
	var_Print.PrintExt = oSurface
	var_Print.CopyTo("c:/temp/xtest.jpg")
? "!!!check the file c:/temp/xtest.jpg!!!" 

115
How can I print the component
Dim oSurface as P
Dim var_Element as P
Dim var_Element1 as P
Dim var_Elements as P
Dim var_Link as P
Dim var_Link1 as P
Dim var_Link2 as P
Dim var_Links as P
Dim var_Print as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B",0,76)
	var_Element = var_Elements.Add("Element <sha ;;0>C",-76,32)
		var_Element.AutoSize = .f.
		var_Element.Height = 32
	var_Element1 = var_Elements.Add("Element <sha ;;0>D",76,32)
		var_Element1.AutoSize = .f.
		var_Element1.Height = 32
var_Links = oSurface.Links
	var_Link = var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
		var_Link.StartPos = 1
		var_Link.EndPos = 1
	var_Link1 = var_Links.Add(oSurface.Elements.Item(2),oSurface.Elements.Item(1))
		var_Link1.StartPos = 1
		var_Link1.EndPos = 1
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(4))
	var_Link2 = var_Links.Add(oSurface.Elements.Item(4),oSurface.Elements.Item(3))
		var_Link2.StartPos = 0
		var_Link2.EndPos = 2
var_Print = OLE.Create("Exontrol.Print")
	var_Print.PrintExt = oSurface
	var_Print.Preview()

114
How can I show direct-links

Dim oSurface as P
Dim var_Element as local
Dim var_Element1 as local
Dim var_Element2 as local
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.ShowLinksType = 1
var_Elements = oSurface.Elements
	' var_Elements.Add("Element A").ID = "A"
	var_Element = var_Elements.Add("Element A")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.ID = `A`"

	' var_Elements.Add("Element B",128,64).ID = "B"
	var_Element1 = var_Elements.Add("Element B",128,64)
	oSurface.TemplateDef = "dim var_Element1"
	oSurface.TemplateDef = var_Element1
	oSurface.Template = "var_Element1.ID = `B`"

	' var_Elements.Add("Element C",128,-64).ID = "C"
	var_Element2 = var_Elements.Add("Element C",128,-64)
	oSurface.TemplateDef = "dim var_Element2"
	oSurface.TemplateDef = var_Element2
	oSurface.Template = "var_Element2.ID = `C`"

var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("B"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("C"))

113
How can I show straight-links

Dim oSurface as P
Dim var_Element as local
Dim var_Element1 as local
Dim var_Element2 as local
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.ShowLinksType = 2
var_Elements = oSurface.Elements
	' var_Elements.Add("Element A").ID = "A"
	var_Element = var_Elements.Add("Element A")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.ID = `A`"

	' var_Elements.Add("Element B",128,64).ID = "B"
	var_Element1 = var_Elements.Add("Element B",128,64)
	oSurface.TemplateDef = "dim var_Element1"
	oSurface.TemplateDef = var_Element1
	oSurface.Template = "var_Element1.ID = `B`"

	' var_Elements.Add("Element C",128,-64).ID = "C"
	var_Element2 = var_Elements.Add("Element C",128,-64)
	oSurface.TemplateDef = "dim var_Element2"
	oSurface.TemplateDef = var_Element2
	oSurface.Template = "var_Element2.ID = `C`"

var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("B"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("C"))

112
How can I show round-links

Dim oSurface as P
Dim var_Element as local
Dim var_Element1 as local
Dim var_Element2 as local
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.ShowLinksType = -1
var_Elements = oSurface.Elements
	' var_Elements.Add("Element A").ID = "A"
	var_Element = var_Elements.Add("Element A")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.ID = `A`"

	' var_Elements.Add("Element B",128,64).ID = "B"
	var_Element1 = var_Elements.Add("Element B",128,64)
	oSurface.TemplateDef = "dim var_Element1"
	oSurface.TemplateDef = var_Element1
	oSurface.Template = "var_Element1.ID = `B`"

	' var_Elements.Add("Element C",128,-64).ID = "C"
	var_Element2 = var_Elements.Add("Element C",128,-64)
	oSurface.TemplateDef = "dim var_Element2"
	oSurface.TemplateDef = var_Element2
	oSurface.Template = "var_Element2.ID = `C`"

var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("B"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("C"))

111
I've tried to insert a "<br>" in the Caption property text and it just ignores it

Dim oSurface as P
Dim var_Element as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
var_Elements = oSurface.Elements
	var_Element = var_Elements.Add("caption")
		var_Element.CaptionSingleLine = .f.
		var_Element.Caption = "first caption<br>second caption<br>third caption"
oSurface.EndUpdate()

110
How do I align the extra-caption

Dim oSurface as P
Dim var_Element as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
var_Elements = oSurface.Elements
	var_Element = var_Elements.Add("caption")
		var_Element.AutoSize = .f.
		var_Element.Width = 128
		var_Element.Height = 64
		var_Element.ExtraCaption = "extra-caption"
		var_Element.ExtraCaptionAlign = 34
oSurface.EndUpdate()

109
How can I add an extra caption

Dim oSurface as P
Dim var_Element as local
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
var_Elements = oSurface.Elements
	' var_Elements.Add("caption").ExtraCaption = "extra-caption"
	var_Element = var_Elements.Add("caption")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.ExtraCaption = `extra-caption`"

oSurface.EndUpdate()

108
I am using the reserve-neighbors feature, the question is how to shift left/right the neighbors instead of up/down
Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowMoveNeighbors = 2
oSurface.Template = "DefArrange(0) = 1" // oSurface.DefArrange(0) = 1
oSurface.AllowInsertObject = .f.
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B ( move it )",16,32)
	var_Elements.Add("Element <sha ;;0>C",128,0)
oSurface.EndUpdate()

107
I am using the reserve-neighbors feature, the question is if possible to specify the distance between neighbors
Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowMoveNeighbors = 1
oSurface.Template = "DefArrange(1) = 0" // oSurface.DefArrange(1) = 0
oSurface.Template = "DefArrange(2) = 0" // oSurface.DefArrange(2) = 0
oSurface.AllowInsertObject = .f.
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B ( move it )",0,32)
	var_Elements.Add("Element <sha ;;0>C",0,64)
oSurface.EndUpdate()

106
How do I enable the reserve-neighbors feature
Dim oSurface as P
Dim var_Elements as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
oSurface.BeginUpdate()
oSurface.AllowMoveNeighbors = 1
oSurface.AllowInsertObject = .f.
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B ( move it )",0,32)
	var_Elements.Add("Element <sha ;;0>C",0,64)
oSurface.EndUpdate()

105
I've noticed that recently, the elements get compacted once the Arrange method is performed. How can I prevent that

Dim oSurface as P
Dim var_Element as local
Dim var_Element1 as local
Dim var_Element2 as local
Dim var_Element3 as local
Dim var_Element4 as local
Dim var_Element5 as local
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Elements = oSurface.Elements
	' var_Elements.Add("Element A").ID = "A"
	var_Element = var_Elements.Add("Element A")
	oSurface.TemplateDef = "dim var_Element"
	oSurface.TemplateDef = var_Element
	oSurface.Template = "var_Element.ID = `A`"

	' var_Elements.Add("Element B").ID = "B"
	var_Element1 = var_Elements.Add("Element B")
	oSurface.TemplateDef = "dim var_Element1"
	oSurface.TemplateDef = var_Element1
	oSurface.Template = "var_Element1.ID = `B`"

	' var_Elements.Add("Element C").ID = "C"
	var_Element2 = var_Elements.Add("Element C")
	oSurface.TemplateDef = "dim var_Element2"
	oSurface.TemplateDef = var_Element2
	oSurface.Template = "var_Element2.ID = `C`"

	' var_Elements.Add("Element D").ID = "D"
	var_Element3 = var_Elements.Add("Element D")
	oSurface.TemplateDef = "dim var_Element3"
	oSurface.TemplateDef = var_Element3
	oSurface.Template = "var_Element3.ID = `D`"

	' var_Elements.Add("Element E").ID = "E"
	var_Element4 = var_Elements.Add("Element E")
	oSurface.TemplateDef = "dim var_Element4"
	oSurface.TemplateDef = var_Element4
	oSurface.Template = "var_Element4.ID = `E`"

	' var_Elements.Add("Element E").ID = "F"
	var_Element5 = var_Elements.Add("Element E")
	oSurface.TemplateDef = "dim var_Element5"
	oSurface.TemplateDef = var_Element5
	oSurface.Template = "var_Element5.ID = `F`"

var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("B"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("C"))
	var_Links.Add(oSurface.Elements.Item("B"),oSurface.Elements.Item("D"))
	var_Links.Add(oSurface.Elements.Item("B"),oSurface.Elements.Item("C"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("E"))
	var_Links.Add(oSurface.Elements.Item("A"),oSurface.Elements.Item("F"))
oSurface.Template = "DefArrange(4) = False" // oSurface.DefArrange(4) = .f.
oSurface.Arrange()

104
Is it possible to add a link to show from bottom/down to top/up, rather that right to left (method-2)

' A new link has been added to the links collection.
function AddLink as v (Link  as  OLE::Exontrol.Surface.1::ILink)
	oSurface = topparent:CONTROL_ACTIVEX1.activex
end function

Dim oSurface as P
Dim var_Elements as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B",48,48)
var_Links = oSurface.Links
	var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))

103
Is it possible to add a link to show from bottom/down to top/up, rather that right to left (method-1)

Dim oSurface as P
Dim var_Elements as P
Dim var_Link as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B",48,48)
var_Links = oSurface.Links
	var_Link = var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
		var_Link.StartPos = 4
		var_Link.EndPos = 3

102
How do I enable the cross link support ( mixed )

Dim oSurface as P
Dim var_Element as P
Dim var_Element1 as P
Dim var_Elements as P
Dim var_Link as P
Dim var_Link1 as P
Dim var_Link2 as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B",0,76)
	var_Element = var_Elements.Add("Element <sha ;;0>C",-76,32)
		var_Element.AutoSize = .f.
		var_Element.Height = 32
	var_Element1 = var_Elements.Add("Element <sha ;;0>D",76,32)
		var_Element1.AutoSize = .f.
		var_Element1.Height = 32
var_Links = oSurface.Links
	var_Link = var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
		var_Link.StartPos = 1
		var_Link.EndPos = 1
	var_Link1 = var_Links.Add(oSurface.Elements.Item(2),oSurface.Elements.Item(1))
		var_Link1.StartPos = 1
		var_Link1.EndPos = 1
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(4))
	var_Link2 = var_Links.Add(oSurface.Elements.Item(4),oSurface.Elements.Item(3))
		var_Link2.StartPos = 0
		var_Link2.EndPos = 2
oSurface.ShowLinks = 97 'exShowCrossLinksMixt + exShowExtendedLinks

101
How do I enable the cross link support ( triangular )

Dim oSurface as P
Dim var_Element as P
Dim var_Element1 as P
Dim var_Elements as P
Dim var_Link as P
Dim var_Link1 as P
Dim var_Link2 as P
Dim var_Links as P

oSurface = topparent:CONTROL_ACTIVEX1.activex
var_Elements = oSurface.Elements
	var_Elements.Add("Element <sha ;;0>A")
	var_Elements.Add("Element <sha ;;0>B",0,76)
	var_Element = var_Elements.Add("Element <sha ;;0>C",-76,32)
		var_Element.AutoSize = .f.
		var_Element.Height = 32
	var_Element1 = var_Elements.Add("Element <sha ;;0>D",76,32)
		var_Element1.AutoSize = .f.
		var_Element1.Height = 32
var_Links = oSurface.Links
	var_Link = var_Links.Add(oSurface.Elements.Item(1),oSurface.Elements.Item(2))
		var_Link.StartPos = 1
		var_Link.EndPos = 1
	var_Link1 = var_Links.Add(oSurface.Elements.Item(2),oSurface.Elements.Item(1))
		var_Link1.StartPos = 1
		var_Link1.EndPos = 1
	var_Links.Add(oSurface.Elements.Item(3),oSurface.Elements.Item(4))
	var_Link2 = var_Links.Add(oSurface.Elements.Item(4),oSurface.Elements.Item(3))
		var_Link2.StartPos = 0
		var_Link2.EndPos = 2
oSurface.ShowLinks = 65 'exShowCrossLinksTriangle + exShowExtendedLinks