Occurs when the user performs interactive panning of the image display.
Syntax
Event Data
The event handler receives an argument of type RasterViewerLineEventArgs containing data related to this event. The following RasterViewerLineEventArgs properties provide information specific to this event.
Example
This sample changes the mouse cursor when panning, and displays the contents of the InteractivePan event in the console
Visual Basic | Copy Code |
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Private Sub viewer_InteractivePan(ByVal sender As Object, ByVal e As RasterViewerLineEventArgs)
Dim viewer As RasterImageViewer = CType(IIf(TypeOf sender Is RasterImageViewer, sender, Nothing), RasterImageViewer)
If e.Status = RasterViewerInteractiveStatus.Begin Then
viewer.Cursor = Cursors.Hand
ElseIf e.Status = RasterViewerInteractiveStatus.End Then
viewer.Cursor = Cursors.Default
End If
Console.WriteLine("InteractivePan: e.Begin {0}, e.End{1}, e.Status {2}, e.Cancel {3}", e.Begin, e.End, e.Status, e.Cancel)
End Sub
Public Sub RasterImageViewer_InteractivePan(ByVal viewer As RasterImageViewer)
AddHandler viewer.InteractivePan, AddressOf viewer_InteractivePan
viewer.InteractiveMode = RasterViewerInteractiveMode.Pan
' Do the panning
' After you are done, you must remove the event handler as in below
' viewer.InteractivePan -= new EventHandler<RasterViewerLineEventArgs>(viewer_InteractivePan);
End Sub |
C# | Copy Code |
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private void viewer_InteractivePan(object sender, RasterViewerLineEventArgs e)
{
RasterImageViewer viewer = sender as RasterImageViewer;
if (e.Status == RasterViewerInteractiveStatus.Begin)
viewer.Cursor = Cursors.Hand;
else if (e.Status == RasterViewerInteractiveStatus.End)
viewer.Cursor = Cursors.Default;
Console.WriteLine("InteractivePan: e.Begin {0}, e.End{1}, e.Status {2}, e.Cancel {3}", e.Begin, e.End, e.Status, e.Cancel);
}
public void RasterImageViewer_InteractivePan(RasterImageViewer viewer)
{
viewer.InteractivePan += new EventHandler<RasterViewerLineEventArgs>(viewer_InteractivePan);
viewer.InteractiveMode = RasterViewerInteractiveMode.Pan;
// Do the panning
// After you are done, you must remove the event handler as in below
// viewer.InteractivePan -= new EventHandler<RasterViewerLineEventArgs>(viewer_InteractivePan);
} |
Remarks
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7
See Also