Retrieves or sets the amount, in pixels, that child items are indented relative to
their parent items.
|Long||A long expression that indicates the amount, in pixels, that child items are indented relative to their parent items.|
If the Indent property is 0, the child items are not indented relative to their parent item. Use HasLines and LinesAtRoot properties to show the hierarchy lines. Use the HasButtons property to define the +/- signs appearance. Use the TreeColumnIndex property to define the index of the column that displays the hierarchy. Use the InsertItem method to insert a child item. Use the InsertControlItem property to insert an ActiveX item.