MagnifyGlass Class

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

Object Model

Syntax

C#
Visual Basic
Objective-C
Java
C++

public class MagnifyGlass : System.Windows.DependencyObject

'Declaration
 
Public Class MagnifyGlass 
   Inherits System.Windows.DependencyObject

'Usage
 
Dim instance As MagnifyGlass

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

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

Copy Code

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>

Requirements

Target Platforms

Reference

MagnifyGlass Members
Leadtools.Windows.Controls Namespace