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MagnifyGlass Class

Summary

Represents a LEADTOOLS magnify glass object for "zooming in" a portion of an image.

Syntax

C++

public class MagnifyGlass : System.Windows.DependencyObject

Public Class MagnifyGlass  
   Inherits System.Windows.DependencyObject

public ref class MagnifyGlass : public System.Windows.DependencyObject

Remarks

The MagnifyGlass is used to "zoom in" a portion of an image displayed in the ImageViewer or RasterImageViewer controls when the controls InteractiveMode is set to InteractiveMode.MagnifyGlass.

When the user clicks inside the control associated with the MagnifyGlass object, the portion of the image around the mouse cursor will be zoomed in. While still clicking down, if the user moves the mouse cursor, inside the control, the zoomed in portion will change according to the mouse position showing the current portion under the cursor.

Example

Silverlight C#

Silverlight VB

Imports Leadtools.Windows.Controls 
 
Dim magnifyGlass As MagnifyGlass = New MagnifyGlass()

using Leadtools.Help; 
using Leadtools.Windows.Controls; 
 
MagnifyGlass magnifyGlass = new MagnifyGlass();

using Leadtools.Help; 
using Leadtools.Windows.Controls; 
 
MagnifyGlass magnifyGlass = new MagnifyGlass();

Imports Leadtools.Windows.Controls 
 
Dim magnifyGlass As MagnifyGlass = New MagnifyGlass()

<Window x:Class="WPFSamples.MagnifyGlass" 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:Leadtools_Windows_Controls="clr-namespace:Leadtools.Windows.Controls;assembly=Leadtools.Windows.Controls" 
    Title="MagnifyGlass" Height="600" Width="800"> 
  <DockPanel> 
    <Leadtools_Windows_Controls:ImageViewer x:Name="Viewer" Source="file:///c:\users\Public\Documents\LEADTOOLS Images\cannon.jpg"  
                                            Width="400" Height="400" InteractiveMode="MagnifyGlass"> 
      <Leadtools_Windows_Controls:ImageViewer.MagnifyGlass> 
        <Leadtools_Windows_Controls:MagnifyGlass 
        Shape="RoundRectangle" 
        RoundRectangleRadius="15,15" 
        BorderBrush="DarkBlue" 
        BorderThickness="10" 
        Crosshair="Fine" 
        CrosshairBrush="Red" 
        CrosshairThickness="5" 
        Background="DarkGreen" 
        ScaleFactor="1.5"> 
        </Leadtools_Windows_Controls:MagnifyGlass> 
      </Leadtools_Windows_Controls:ImageViewer.MagnifyGlass> 
 
    </Leadtools_Windows_Controls:ImageViewer> 
  </DockPanel> 
</Window>