ArcGIS Explorer Component Help |
MapDisplay..::.TrackPolygon Method (Color, Double) |
MapDisplay Class See Also |
A synchronous (blocking) call returning a new Polygon at the location of a series of mouse clicks on the display, using the specified
line color and width while tracking.
Namespace:
ESRI.ArcGISExplorer.MappingAssembly: ESRI.ArcGISExplorer (in ESRI.ArcGISExplorer.dll) Version: 2.0.0.1500 (2.0.0.1500)
Syntax
C# |
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public Polygon TrackPolygon( Color color, double width ) |
Visual Basic (Declaration) |
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Public Function TrackPolygon ( _ color As Color, _ width As Double _ ) As Polygon |
Parameters
- color
- Type: System.Drawing..::.Color
The color of the partially completed line shown during the tracking operation.
- width
- Type: System..::.Double
The width in pixels of the partially completed line shown during the tracking operation. Default is 1, maximum is 10.
Return Value
A new Polygon defined by a series of mouse clicks on the display.Remarks
This method returns a user-clicked polygon on the map, using the specified line color and width while tracking.
This method will block the user interface (UI) thread until the user has completed tracking the Polygon. The method can be cancelled if the ESC key is pressed after the method has been called or the CancelTracking()()() method is called; in this case the method will return nullNothingnullptra null reference (Nothing in Visual Basic).
Alternatively you may wish to use an asynchronous equivalent, see the BeginTrackPolygon methods.