InteractiveScale Event

C#
Visual Basic
Objective-C
Java
C++

public event EventHandler<LineInteractiveEventArgs> InteractiveScale

'Declaration
 
Public Event InteractiveScale As EventHandler(Of LineInteractiveEventArgs)

'Usage
 
Dim instance As ImageViewer
Dim handler As EventHandler(Of LineInteractiveEventArgs)
 
AddHandler instance.InteractiveScale, handler

public:
event EventHandler<LineInteractiveEventArgs^>^ InteractiveScale

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.

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

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

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

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.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);
}

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

Target Platforms

Reference

ImageViewer Class
ImageViewer Members