LEADTOOLS Windows Forms (Leadtools.WinForms assembly)
LEAD Technologies, Inc

InteractiveCenterAt Event

Example 





Occurs when the user performs interactive center of the image display.
Syntax
public event EventHandler<RasterViewerPointEventArgs> InteractiveCenterAt
'Declaration
 
Public Event InteractiveCenterAt As EventHandler(Of RasterViewerPointEventArgs)
'Usage
 
Dim instance As RasterImageViewer
Dim handler As EventHandler(Of RasterViewerPointEventArgs)
 
AddHandler instance.InteractiveCenterAt, handler
public event EventHandler<RasterViewerPointEventArgs> InteractiveCenterAt
add_InteractiveCenterAt(function(sender, e))
remove_InteractiveCenterAt(function(sender, e))

public:
event EventHandler<RasterViewerPointEventArgs^>^ InteractiveCenterAt
Event Data

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

PropertyDescription
Cancel (Inherited from Leadtools.WinForms.RasterViewerInteractiveEventArgs)Gets or sets a value indicating whether the interactive mode should be canceled.
Point Gets the interactive mode event data.
Status (Inherited from Leadtools.WinForms.RasterViewerInteractiveEventArgs)Gets the current status of the interactive mode.
Remarks
Only occurs when the InteractiveMode property is set to RasterViewerInteractiveMode.CenterAt.
Example
 
Private Sub viewer_InteractiveCenterAt(ByVal sender As Object, ByVal e As RasterViewerPointEventArgs)
   Console.WriteLine("InteractiveCenterAt: e.Status {0}, e.Cancel {1}", e.Status, e.Cancel)
End Sub
Public Sub RasterImageViewer_InteractiveCenterAt(ByVal viewer As RasterImageViewer)
   viewer.InteractiveMode = RasterViewerInteractiveMode.CenterAt
   AddHandler viewer.InteractiveCenterAt, AddressOf viewer_InteractiveCenterAt

   ' Click mouse on image to see the center the image
   ' After you are done, you must remove the event handler as in below
   '
   ' viewer.InteractiveCenterAt -= new EventHandler<RasterViewerPointEventArgs>(viewer_InteractiveCenterAt);
End Sub
private void viewer_InteractiveCenterAt(object sender, RasterViewerPointEventArgs e)
{
   Console.WriteLine("InteractiveCenterAt: e.Status {0}, e.Cancel {1}", e.Status, e.Cancel);
}
public void RasterImageViewer_InteractiveCenterAt(RasterImageViewer viewer)
{
   viewer.InteractiveMode = RasterViewerInteractiveMode.CenterAt;
   viewer.InteractiveCenterAt += new EventHandler<RasterViewerPointEventArgs>(viewer_InteractiveCenterAt);

   // Click mouse on image to see the center the image
   // After you are done, you must remove the event handler as in below
   //
   // viewer.InteractiveCenterAt -= new EventHandler<RasterViewerPointEventArgs>(viewer_InteractiveCenterAt);
}
Requirements

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

See Also

Reference

RasterImageViewer Class
RasterImageViewer Members

 

 


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