WmfViewbox Class

WmfViewbox Class

WmfViewbox is a Viewbox control that enables showing Windows Metafile (wmf) and Enhanced Metafiles (emf) images in WPF and can be used in Extensible Application Markup Language (XAML). Set its Source propety to source of wmf or wmf file - use pack Uri specifications.

Inheritance Hierarchy

SystemObject
  System.Windows.ThreadingDispatcherObject
    System.WindowsDependencyObject
      System.Windows.MediaVisual
        System.WindowsUIElement
          System.WindowsFrameworkElement
            System.Windows.ControlsDecorator
              System.Windows.ControlsViewbox
                Ab2d.ControlsWmfViewbox

Namespace: Ab2d.Controls
Assembly: Ab2d.ReaderWmf (in Ab2d.ReaderWmf.dll) Version: 7.1.5512.1040

Syntax

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public class WmfViewbox : Viewbox, IUriContext, 
	ISupportInitialize

The WmfViewbox type exposes the following members.

Constructors

	Name	Description
	WmfViewbox	Constructor

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Properties

	Name	Description
	InnerReaderWmf	Gets the ReaderWmf that was used to read the metafile file.
	Source	Source

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Events

	Name	Description
	MetafileLoaded	Occurs when the reading of metafile is completed.
	MetafileLoading	Occurs before the reading of metafile is started.

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Fields

	Name	Description
	SourceProperty	SourceProperty

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Remarks

The difference between WmfDrawing and WmfViewbox is that WmfViewbox gets objects as Shapes Shapes (Canvas, Path, Polyline, etc) and WmfDrawing produces Drawings (DrawingGeometry, StreamGeometry, etc). Drawings have better performance and lower memory consumption, but Shapes support more funtionality - layout, focus, mouse events, etc.

WmfViewbox can be used in xaml. If you would like to read metafile in code and need some more advanced features and options please use ReaderWmf

Examples

The following example shows myMetafile.wmf metafile inside a Grid (the matafile's BuildAction is set to Resource).

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<Window x:Class="Ab2d.ReaderWmfSample"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:ab2d="clr-namespace:Ab2d.Controls;assembly=Ab2d.ReaderWmf"
        Title="Window1" Height="500" Width="500"/>
     <Grid>
         <ab2d:WmfViewbox Name="myWmfViewbox" Source="myMetafile.wmf"
                          Stretch="Uniform"/>  
     </Grid>
</Window>

Reference

Ab2d.Controls Namespace