InteractiveRegionFreehand Event

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public event EventHandler<RasterViewerPointsEventArgs> InteractiveRegionFreehand

'Declaration
 
Public Event InteractiveRegionFreehand As EventHandler(Of RasterViewerPointsEventArgs)

'Usage
 
Dim instance As RasterImageViewer
Dim handler As EventHandler(Of RasterViewerPointsEventArgs)
 
AddHandler instance.InteractiveRegionFreehand, handler

public event EventHandler<RasterViewerPointsEventArgs> InteractiveRegionFreehand

add_InteractiveRegionFreehand(function(sender, e))
remove_InteractiveRegionFreehand(function(sender, e))

public:
event EventHandler<RasterViewerPointsEventArgs^>^ InteractiveRegionFreehand

The event handler receives an argument of type RasterViewerPointsEventArgs containing data related to this event. The following RasterViewerPointsEventArgs properties provide information specific to this event.

Property	Description
Cancel (Inherited from Leadtools.WinForms.RasterViewerInteractiveEventArgs)	Gets or sets a value indicating whether the interactive mode should be canceled.
Points	Returns the current interactive mode points.
Status (Inherited from Leadtools.WinForms.RasterViewerInteractiveEventArgs)	Gets the current status of the interactive mode.

Only occurs when the InteractiveMode property is set to RasterViewerInteractiveMode.Region and the InteractiveRegionType is set to RasterViewerInteractiveRegionType.Freehand.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Private Sub viewer_InteractiveRegionFreehand(ByVal sender As Object, ByVal e As RasterViewerPointsEventArgs)
   Console.WriteLine("InteractiveRegionFreehand: PointCount {0} e.Status {1}, e.Cancel {2}", e.Points.Count, e.Status, e.Cancel)
End Sub
Public Sub RasterImageViewer_InteractiveRegionFreehand(ByVal viewer As RasterImageViewer)
   viewer.InteractiveMode = RasterViewerInteractiveMode.Region
   viewer.InteractiveRegionType = RasterViewerInteractiveRegionType.Freehand
   AddHandler viewer.InteractiveRegionFreehand, AddressOf viewer_InteractiveRegionFreehand

   ' Draw the mouse on image to draw an elliptical region
   ' After you are done, you must remove the event handler as in below
   '
   ' viewer.InteractiveRegionFreehand -= new EventHandler<RasterViewerPointsEventArgs>(viewer_InteractiveRegionFreehand);
End Sub

private void viewer_InteractiveRegionFreehand(object sender, RasterViewerPointsEventArgs e)
{
   Console.WriteLine("InteractiveRegionFreehand: PointCount {0} e.Status {1}, e.Cancel {2}", e.Points.Count, e.Status, e.Cancel);
}
public void RasterImageViewer_InteractiveRegionFreehand(RasterImageViewer viewer)
{
   viewer.InteractiveMode = RasterViewerInteractiveMode.Region;
   viewer.InteractiveRegionType = RasterViewerInteractiveRegionType.Freehand;
   viewer.InteractiveRegionFreehand += new EventHandler<RasterViewerPointsEventArgs>(viewer_InteractiveRegionFreehand);

   // Draw the mouse on image to draw an elliptical region
   // After you are done, you must remove the event handler as in below
   //
   // viewer.InteractiveRegionFreehand -= new EventHandler<RasterViewerPointsEventArgs>(viewer_InteractiveRegionFreehand);
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

RasterImageViewer Class
RasterImageViewer Members