←Select platform

InteractiveScale Event

Summary

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

Syntax

C++

public event EventHandler<LineInteractiveEventArgs> InteractiveScale

  
Public Event InteractiveScale As EventHandler(Of LineInteractiveEventArgs)

public: 
event EventHandler<LineInteractiveEventArgs^>^ InteractiveScale

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.

Property	Description
Begin	Gets the begin location for the current interactive line mode.
Cancel (Inherited from Leadtools.Windows.Controls.InteractiveEventArgs)	Gets or sets a value indicating whether the interactive mode should be canceled.
End	Gets the end location for the current interactive line mode.
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.

Remarks

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

Example

This example scales the image when dragging the cursor on the image. Also, it displays the contents of the InteractiveScale event in the console.

Silverlight C#

Silverlight VB

using Leadtools.Help; 
using Leadtools.Windows.Controls; 
 
private void viewer_InteractiveScale(object sender, LineInteractiveEventArgs e) 
{ 
   Console.WriteLine("InteractiveScale: e.Begin {0}, e.End{1}, e.Status {2}, e.Cancel {3}", e.Begin, e.End, e.Status, e.Cancel); 
} 
 
public void BitmapSourceViewer_InteractiveScale(ImageViewer viewer) 
{ 
   viewer.SetInteractiveModeCursor(InteractiveMode.MagnifyGlass, Cursors.SizeAll, Cursors.Arrow); 
   viewer.InteractiveMode = InteractiveMode.Scale; 
   viewer.InteractiveScale += new EventHandler<LineInteractiveEventArgs>(viewer_InteractiveScale); 
 
   // Drag mouse across image to scale the image 
   // After you are done, you must remove the event handler as in below 
   // 
   // viewer.InteractiveScale -= new ImageViewer.InteractiveScaleEventHandler(viewer_InteractiveScale); 
}

Imports Leadtools.Windows.Controls 
 
Private Sub viewer_InteractiveScale(ByVal sender As Object, ByVal e As LineInteractiveEventArgs) 
   Console.WriteLine("InteractiveScale: 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_InteractiveScale(ByVal viewer As ImageViewer) 
   viewer.SetInteractiveModeCursor(InteractiveMode.MagnifyGlass, Cursors.SizeAll, Cursors.Arrow) 
   viewer.InteractiveMode = InteractiveMode.Scale 
   AddHandler viewer.InteractiveScale, AddressOf viewer_InteractiveScale 
 
   ' Drag mouse across image to scale the image 
   ' After you are done, you must remove the event handler as in below 
   ' 
   ' viewer.InteractiveScale -= new ImageViewer.InteractiveScaleEventHandler(viewer_InteractiveScale); 
End Sub

using Leadtools.Help; 
using Leadtools.Windows.Controls; 
 
private void viewer_InteractiveScale(object sender, LineInteractiveEventArgs e) 
{ 
   Console.WriteLine("InteractiveScale: e.Begin {0}, e.End{1}, e.Status {2}, e.Cancel {3}", e.Begin, e.End, e.Status, e.Cancel); 
} 
 
public void BitmapSourceViewer_InteractiveScale(ImageViewer viewer) 
{ 
   viewer.SetInteractiveModeCursor(InteractiveMode.MagnifyGlass, Cursors.SizeNS, Cursors.Arrow); 
   viewer.InteractiveMode = InteractiveMode.Scale; 
   viewer.InteractiveScale += new EventHandler<LineInteractiveEventArgs>(viewer_InteractiveScale); 
 
   // Drag mouse across image to scale the image 
   // After you are done, you must remove the event handler as in below 
   // 
   // viewer.InteractiveScale -= new ImageViewer.InteractiveScaleEventHandler(viewer_InteractiveScale); 
}

Imports Leadtools 
Imports Leadtools.Windows.Controls 
 
Private Sub viewer_InteractiveScale(ByVal sender As Object, ByVal e As LineInteractiveEventArgs) 
   Console.WriteLine("InteractiveScale: 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_InteractiveScale(ByVal viewer As ImageViewer) 
   viewer.SetInteractiveModeCursor(InteractiveMode.MagnifyGlass, Cursors.SizeNS, Cursors.Arrow) 
   viewer.InteractiveMode = InteractiveMode.Scale 
   AddHandler viewer.InteractiveScale, AddressOf viewer_InteractiveScale 
 
   ' Drag mouse across image to scale the image 
   ' After you are done, you must remove the event handler as in below 
   ' 
   ' viewer.InteractiveScale -= new ImageViewer.InteractiveScaleEventHandler(viewer_InteractiveScale); 
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