The following screen shot the control's overview part:
The OverviewVisibleEnum type includes the following values:
Name | Value | Description | |||
exOverviewHidden | 0 | The control's overview is not visible. | |||
exOverviewShowAll | -1 |
The control's overview shows the bars from the visible items using the range for all bars in the chart.
The
exOverviewShowAll ignores the exOverviewHideBars.
This flag should not be used with newer versions, it is provided for backward compatibility.
The following screen shot shows the control's overview when exOverviewShowAll flag is specified only: | |||
exOverviewShowOnlyVisible | 1 |
The control's overview shows the bars from the visible items using the range of bars in the visible items only.
The following screen shot shows the control's overview when exOverviewShowOnlyVisible flag is specified only: | |||
exOverviewShowAllVisible | 2 |
The control's overview shows the bars from the visible items using the range for all bars in the chart.
The following screen shot shows the control's overview when exOverviewShowAllVisible flag is specified only: | |||
exOverviewAllowVerticalScroll | 256 | Indicates whether the user can vertically scroll the chart while navigating up or down the overview part of the control. For instance, you can click the overview panel, the chart displays the selected area, and you can drag the cursor left or right to select a new date-time range to be displayed, or you can go up or down, to scroll items up or down. | |||
exOverviewHideBars | 512 |
Prevents showing the bars in the overview part of the control. For instance,
you can use this flag in combination of any other flag to show just the
time-scale in the overview part of the control, to allow the user to quickly
scroll the chart's content to a specific time-zone. The
exOverviewHideBars is ignored if the OverviewVisible property is
exOverviewShowAll.
The following screen shot shows the control's overview when exOverviewHideBars flag is specified:
| |||
exOverviewShowDateTimeScale | 4096 |
Specifies whether the overview part of the control displays the date-time scale.
This flag includes the time-scale on the overview. The time-scale intersects
the bars in the overview. By default, the time-scale of the overview part is
shown on the top of it, so you can combine the
exOverviewShowDateTimeScale flag with
exOverviewShowDateTimeScaleBottom flag, to display the time-scale on the bottom
side of the overview part of the control.
The following screen shot shows the control's overview when exOverviewShowDateTimeScale flag is specified: | |||
exOverviewShowDateTimeScaleSplit | 5120 |
Specifies whether the overview's date-time scale is displayed into a separate portion of the overview.
This flag includes the time-scale on the overview. The time-scale does not
intersect the bars in the overview. By default, the time-scale of the overview
part is shown on the top of it, so you can combine the
exOverviewShowDateTimeScaleSplit flag with
exOverviewShowDateTimeScaleBottom flag, to display the time-scale on the bottom
side of the overview part of the control.
The following screen shot shows the control's overview when exOverviewShowDateTimeScaleSplit flag is specified: | |||
exOverviewShowDateTimeScaleBottom | 6144 |
Specifies whether the overview's date-time scale is displayed on the bottom side of the overview.
By default, the time-scale of the overview part is shown on the top of it, so
you can use the
exOverviewShowDateTimeScaleBottom flag with
exOverviewShowDateTimeScale or
exOverviewShowDateTimeScaleSplit to display the time-scale on the bottom side of
the overview part of the control.
The following screen shot shows the control's overview when exOverviewShowDateTimeScaleBottom flag is specified: | |||
exOverviewShowMargins | 8192 |
Displays the limits of the overview bars. You can include the
exOverviewShowMargins flag to display the margins/limits of all (project) /
visible bars. In other words, the
exOverviewShowMargins flag displays the minimal ItemBar(exBarStart) value, and
the maximal ItemBar(exBarEnd) value.
The following screen shot shows the control's overview when exOverviewShowMargins flag is specified: | |||
exOverviewShowSelMargins | 16384 |
Displays the selection limits ( first/last visible date in the chart).
The following screen shot shows the control's overview when exOverviewShowSelMargins flag is specified: | |||
exOverviewSplitter | 65536 |
Specifies whether the overview's horizontal splitter is visible or hidden.
Include the exDisableOverview in the OnResizeControl
property to disable resizing the chart's overview part of the control. You can
use the Background(exSplitBar) property to
change the back color / visual appearance of the overview's split bar.
The following screen show shows the splitter of the control's overview, so the exOverviewSplitter flag is set: |