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InteractiveCenterAt Event
See Also 
Leadtools.Windows.Controls Namespace > ImageViewer Class : InteractiveCenterAt Event



Occurs when the user performs interactive centering of the image display. Supported in Silverlight, Windows Phone 7

Syntax

Visual Basic (Declaration) 
Public Event InteractiveCenterAt As EventHandler(Of PointInteractiveEventArgs)
Visual Basic (Usage)Copy Code
Dim instance As ImageViewer
Dim handler As EventHandler(Of PointInteractiveEventArgs)
 
AddHandler instance.InteractiveCenterAt, handler
C# 
public event EventHandler<PointInteractiveEventArgs> InteractiveCenterAt
C++/CLI 
public:
event EventHandler<PointInteractiveEventArgs^>^ InteractiveCenterAt

Event Data

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

PropertyDescription
Cancel (Inherited from Leadtools.Windows.Controls.InteractiveEventArgs)Gets or sets a value indicating whether the interactive mode should be canceled. Supported in Silverlight, Windows Phone 7
Handled (Inherited from System.Windows.RoutedEventArgs) 
OriginalSource (Inherited from System.Windows.RoutedEventArgs) 
Position Gets the location for the current interactive point mode. Supported in Silverlight, Windows Phone 7
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. Supported in Silverlight, Windows Phone 7

Example

This example centers the image in the control by clicking the mouse. Also, it displays the contents of the ImageViewer.InteractiveCenterAt event in the console.

Visual BasicCopy Code
Private Sub viewer_InteractiveCenterAt(ByVal sender As Object, ByVal e As PointInteractiveEventArgs)
    Console.WriteLine("InteractiveCenterAt: e.Status {0}, e.Cancel {1}", e.Status, e.Cancel)
End Sub
Public Sub BitmapSourceViewer_InteractiveCenterAt(ByVal viewer As ImageViewer)
    viewer.InteractiveMode = InteractiveMode.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 ImageViewer.InteractiveCenterAtEventHandler(viewer_InteractiveCenterAt);
End Sub
C#Copy Code
private void viewer_InteractiveCenterAt(object sender, PointInteractiveEventArgs e)
{
   Console.WriteLine("InteractiveCenterAt: e.Status {0}, e.Cancel {1}", e.Status, e.Cancel);
}
public void BitmapSourceViewer_InteractiveCenterAt(ImageViewer viewer)
{
   viewer.InteractiveMode = InteractiveMode.CenterAt;
   viewer.InteractiveCenterAt += new EventHandler<PointInteractiveEventArgs>(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 ImageViewer.InteractiveCenterAtEventHandler(viewer_InteractiveCenterAt);
}
SilverlightCSharpCopy Code
private void viewer_InteractiveCenterAt(object sender, PointInteractiveEventArgs e)
{
   Console.WriteLine("InteractiveCenterAt: e.Status {0}, e.Cancel {1}", e.Status, e.Cancel);
}
public void BitmapSourceViewer_InteractiveCenterAt(ImageViewer viewer)
{
   viewer.InteractiveMode = InteractiveMode.CenterAt;
   viewer.InteractiveCenterAt += new EventHandler<PointInteractiveEventArgs>(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 ImageViewer.InteractiveCenterAtEventHandler(viewer_InteractiveCenterAt);
}
SilverlightVBCopy Code
Private Sub viewer_InteractiveCenterAt(ByVal sender As Object, ByVal e As PointInteractiveEventArgs)
   Console.WriteLine("InteractiveCenterAt: e.Status {0}, e.Cancel {1}", e.Status, e.Cancel)
End Sub
Public Sub BitmapSourceViewer_InteractiveCenterAt(ByVal viewer As ImageViewer)
   viewer.InteractiveMode = InteractiveMode.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 ImageViewer.InteractiveCenterAtEventHandler(viewer_InteractiveCenterAt);
End Sub

Remarks

Occurs when the ImageViewer.InteractiveMode property is set to InteractiveMode.CenterAt.

Requirements

Target Platforms: Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family

See Also