LEADTOOLS WPF and Silverlight (Leadtools.Windows.Controls assembly)
LEAD Technologies, Inc

InteractivePan Event

Example 





Occurs when the user performs interactive panning of the image display. .NET support Silverlight support
Syntax
public event EventHandler<LineInteractiveEventArgs> InteractivePan
'Declaration
 
Public Event InteractivePan As EventHandler(Of LineInteractiveEventArgs)
'Usage
 
Dim instance As ImageViewer
Dim handler As EventHandler(Of LineInteractiveEventArgs)
 
AddHandler instance.InteractivePan, handler
public event EventHandler<LineInteractiveEventArgs> InteractivePan
add_InteractivePan(function(sender, e))
remove_InteractivePan(function(sender, e))

public:
event EventHandler<LineInteractiveEventArgs^>^ InteractivePan
Event Data

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

PropertyDescription
Begin Gets the begin location for the current interactive line mode. .NET support Silverlight support
Cancel (Inherited from Leadtools.Windows.Controls.InteractiveEventArgs)Gets or sets a value indicating whether the interactive mode should be canceled. .NET support Silverlight support
End Gets the end location for the current interactive line mode. .NET support Silverlight support
Handled (Inherited from System.Windows.RoutedEventArgs) 
OriginalSource (Inherited from System.Windows.RoutedEventArgs) 
RoutedEvent (Inherited from System.Windows.RoutedEventArgs) 
Source (Inherited from System.Windows.RoutedEventArgs) 
Status (Inherited from Leadtools.Windows.Controls.InteractiveEventArgs)Gets the current status of the interactive mode. .NET support Silverlight support
Remarks

Occurs when the InteractiveMode property is set to InteractiveMode.Pan or InteractiveMode.Scale.

Example
Copy CodeCopy Code  
Private Sub viewer_InteractivePan(ByVal sender As Object, ByVal e As LineInteractiveEventArgs)
    Dim viewer As ImageViewer = TryCast(sender, ImageViewer)
    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 BitmapSourceViewer_InteractivePan(ByVal viewer As ImageViewer)
    AddHandler viewer.InteractivePan, AddressOf viewer_InteractivePan
    AddHandler viewer.InteractiveModeEnded, AddressOf viewer_InteractiveModeEnded
    viewer.SetInteractiveModeCursor(InteractiveMode.Pan, Cursors.Cross, Cursors.None)
    viewer.InteractiveMode = InteractiveMode.Pan

    ' Do the panning

    ' After you are done, you must remove the event handler as in below
    ' RemoveHandler viewer.InteractiveModeEnded, AddressOf viewer_InteractiveModeEnded
End Sub

Private Sub viewer_InteractiveModeEnded(ByVal sender As Object, ByVal e As EventArgs)
    MessageBox.Show("Panning Done")
End Sub
private void viewer_InteractivePan(object sender, LineInteractiveEventArgs e)
{
   ImageViewer viewer = sender as ImageViewer;
   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 BitmapSourceViewer_InteractivePan(ImageViewer viewer)
{
   viewer.InteractivePan +=new EventHandler<LineInteractiveEventArgs>(viewer_InteractivePan);
   viewer.InteractiveModeEnded += new EventHandler<EventArgs>(viewer_InteractiveModeEnded);
   viewer.SetInteractiveModeCursor(InteractiveMode.Pan, Cursors.Cross, Cursors.None);
   viewer.InteractiveMode = InteractiveMode.Pan;

   // Do the panning

   // After you are done, you must remove the event handler as in below
   // viewer.InteractivePan -= new EventHandler<LineInteractiveEventArgs>(viewer_InteractivePan);
}

void viewer_InteractiveModeEnded(object sender, EventArgs e)
{
   MessageBox.Show("Panning Done");
}
private void viewer_InteractivePan(object sender, LineInteractiveEventArgs e)
{
   ImageViewer viewer = sender as ImageViewer;
   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 BitmapSourceViewer_InteractivePan(ImageViewer viewer)
{
   viewer.InteractivePan +=new EventHandler<LineInteractiveEventArgs>(viewer_InteractivePan);
   viewer.InteractiveModeEnded += new EventHandler<EventArgs>(viewer_InteractiveModeEnded);
   viewer.SetInteractiveModeCursor(InteractiveMode.Pan, Cursors.Hand, Cursors.None);
   viewer.InteractiveMode = InteractiveMode.Pan;

   // Do the panning

   // After you are done, you must remove the event handler as in below
   // viewer.InteractivePan -= new EventHandler<LineInteractiveEventArgs>(viewer_InteractivePan);
}

void viewer_InteractiveModeEnded(object sender, EventArgs e)
{
   MessageBox.Show("Panning Done");
}
Private Sub viewer_InteractivePan(ByVal sender As Object, ByVal e As LineInteractiveEventArgs)
   Dim viewer As ImageViewer = TryCast(sender, ImageViewer)
   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 BitmapSourceViewer_InteractivePan(ByVal viewer As ImageViewer)
   AddHandler viewer.InteractivePan, AddressOf viewer_InteractivePan
   AddHandler viewer.InteractiveModeEnded, AddressOf viewer_InteractiveModeEnded
   viewer.SetInteractiveModeCursor(InteractiveMode.Pan, Cursors.Hand, Cursors.None)
   viewer.InteractiveMode = InteractiveMode.Pan

   ' Do the panning

   ' After you are done, you must remove the event handler as in below
   ' viewer.InteractivePan -= new EventHandler<LineInteractiveEventArgs>(viewer_InteractivePan);
End Sub

Private Sub viewer_InteractiveModeEnded(ByVal sender As Object, ByVal e As EventArgs)
   MessageBox.Show("Panning Done")
End Sub
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

ImageViewer Class
ImageViewer Members

 

 


Products | Support | Contact Us | Copyright Notices

© 2006-2012 All Rights Reserved. LEAD Technologies, Inc.