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InteractiveCenterAt Event

Summary

Occurs when the user performs interactive centering of the image display.

Syntax

C++

public event EventHandler<PointInteractiveEventArgs> InteractiveCenterAt

  
Public Event InteractiveCenterAt As EventHandler(Of PointInteractiveEventArgs)

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.

Property	Description
Cancel (Inherited from Leadtools.Windows.Controls.InteractiveEventArgs)	Gets or sets a value indicating whether the interactive mode should be canceled.
Handled (Inherited from System.Windows.RoutedEventArgs)
OriginalSource (Inherited from System.Windows.RoutedEventArgs)
Position	Gets the location for the current interactive point mode.
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.

Remarks

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

Example

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

Silverlight C#

Silverlight VB

using Leadtools.Help; 
using Leadtools.Windows.Controls; 
 
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); 
}

Imports Leadtools.Windows.Controls 
 
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

using Leadtools.Help; 
using Leadtools.Windows.Controls; 
 
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); 
}

Imports Leadtools 
Imports Leadtools.Windows.Controls 
 
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

Requirements

Target Platforms

Reference

ImageViewer Class

ImageViewer Members

Help Version 19.0.2017.10.27

Leadtools.Windows.Controls Assembly

Introduction

Getting Started

Namespaces

Leadtools.Windows.Controls Namespace

Assemblies