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

InteractiveMagnifyGlass Event

Example 





Occurs when the user is using the MagnifyGlass on this control. .NET support Silverlight support
Syntax
public event EventHandler<LineInteractiveEventArgs> InteractiveMagnifyGlass
'Declaration
 
Public Event InteractiveMagnifyGlass As EventHandler(Of LineInteractiveEventArgs)
'Usage
 
Dim instance As ImageViewer
Dim handler As EventHandler(Of LineInteractiveEventArgs)
 
AddHandler instance.InteractiveMagnifyGlass, handler
public event EventHandler<LineInteractiveEventArgs> InteractiveMagnifyGlass
add_InteractiveMagnifyGlass(function(sender, e))
remove_InteractiveMagnifyGlass(function(sender, e))

public:
event EventHandler<LineInteractiveEventArgs^>^ InteractiveMagnifyGlass
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

Only occurs when the InteractiveMode property is set to InteractiveMode.MagnifyGlass.

Example
Copy CodeCopy Code  
Private Sub viewer_InteractiveMagnifyGlass(ByVal sender As Object, ByVal e As LineInteractiveEventArgs)
    Dim ImageViewer As ImageViewer = TryCast(sender, ImageViewer)
    Console.WriteLine("InteractiveMagnifyGlass: 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_InteractiveMagnifyGlass(ByVal viewer As ImageViewer)
    viewer.SetInteractiveModeCursor(InteractiveMode.MagnifyGlass, Cursors.Arrow, Cursors.None)
    viewer.InteractiveMode = InteractiveMode.MagnifyGlass
    AddHandler viewer.InteractiveMagnifyGlass, AddressOf viewer_InteractiveMagnifyGlass

    ' Drag mouse across image to see the magnifying glass
    ' After you are done, you must remove the event handler as in below
    '
    ' viewer.InteractiveMagnifyGlass -= new ImageViewer.InteractiveMagnifyGlassEventHandler(viewer_InteractiveMagnifyGlass);
End Sub
private void viewer_InteractiveMagnifyGlass(object sender, LineInteractiveEventArgs e)
{
   ImageViewer ImageViewer = sender as ImageViewer;
   Console.WriteLine("InteractiveMagnifyGlass: e.Begin {0}, e.End{1}, e.Status {2}, e.Cancel {3}", e.Begin, e.End, e.Status, e.Cancel);
}

public void BitmapSourceViewer_InteractiveMagnifyGlass(ImageViewer viewer)
{
   viewer.SetInteractiveModeCursor(InteractiveMode.MagnifyGlass, Cursors.Arrow, Cursors.None);
   viewer.InteractiveMode = InteractiveMode.MagnifyGlass;
   viewer.InteractiveMagnifyGlass +=new EventHandler<LineInteractiveEventArgs>(viewer_InteractiveMagnifyGlass);

   // Drag mouse across image to see the magnifying glass
   // After you are done, you must remove the event handler as in below
   //
   // viewer.InteractiveMagnifyGlass -= new ImageViewer.InteractiveMagnifyGlassEventHandler(viewer_InteractiveMagnifyGlass);
}
private void viewer_InteractiveMagnifyGlass(object sender, LineInteractiveEventArgs e)
{
   ImageViewer ImageViewer = sender as ImageViewer;
   Console.WriteLine("InteractiveMagnifyGlass: e.Begin {0}, e.End{1}, e.Status {2}, e.Cancel {3}", e.Begin, e.End, e.Status, e.Cancel);
}

public void BitmapSourceViewer_InteractiveMagnifyGlass(ImageViewer viewer)
{
   viewer.SetInteractiveModeCursor(InteractiveMode.MagnifyGlass, Cursors.Arrow, Cursors.None);
   viewer.InteractiveMode = InteractiveMode.MagnifyGlass;
   viewer.InteractiveMagnifyGlass +=new EventHandler<LineInteractiveEventArgs>(viewer_InteractiveMagnifyGlass);

   // Drag mouse across image to see the magnifying glass
   // After you are done, you must remove the event handler as in below
   //
   // viewer.InteractiveMagnifyGlass -= new ImageViewer.InteractiveMagnifyGlassEventHandler(viewer_InteractiveMagnifyGlass);
}
Private Sub viewer_InteractiveMagnifyGlass(ByVal sender As Object, ByVal e As LineInteractiveEventArgs)
   Dim ImageViewer As ImageViewer = TryCast(sender, ImageViewer)
   Console.WriteLine("InteractiveMagnifyGlass: 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_InteractiveMagnifyGlass(ByVal viewer As ImageViewer)
   viewer.SetInteractiveModeCursor(InteractiveMode.MagnifyGlass, Cursors.Arrow, Cursors.None)
   viewer.InteractiveMode = InteractiveMode.MagnifyGlass
   AddHandler viewer.InteractiveMagnifyGlass, AddressOf viewer_InteractiveMagnifyGlass

   ' Drag mouse across image to see the magnifying glass
   ' After you are done, you must remove the event handler as in below
   '
   ' viewer.InteractiveMagnifyGlass -= new ImageViewer.InteractiveMagnifyGlassEventHandler(viewer_InteractiveMagnifyGlass);
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

 

 


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