A synchronous (blocking) call returning a new Envelope at the location of two mouse clicks on the display, using the specified line color while tracking.

Namespace:  ESRI.ArcGISExplorer.Mapping

Assembly:  ESRI.ArcGISExplorer (in ESRI.ArcGISExplorer.dll) Version: 2.0.0.1500 (2.0.0.1500)

Syntax

C#
public Envelope TrackEnvelope(
	Color color
)
Visual Basic (Declaration)
Public Function TrackEnvelope ( _
	color As Color _
) As Envelope

Parameters

color
Type: System.Drawing..::.Color

The color of the partially completed line shown during the tracking operation.

Return Value

A new Envelope defined by two mouse clicks.

Remarks

This method will block the user interface (UI) thread until the user has clicked on the display. 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 BeginTrackEnvelope methods.

Version Information: This method is supported from version 2.0.0.1500.

See Also