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SkewTransform.AngleY Property

Gets or sets the y-axis skew angle, which is measured in degrees counterclockwise from the x-axis. This is a dependency property.

Namespace:  System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

public function get AngleY () : double 
public function set AngleY (value : double)
<object AngleY="double" .../>

Property Value

Type: System.Double
The skew angle, which is measured in degrees counterclockwise from the x-axis. The default is 0.

Identifier field

AngleYProperty

Metadata properties set to true

None

To skew an object in place, set the CenterX and CenterY properties to the object's center point.

This example shows how to use a SkewTransform to skew an element. A skew, which is also known as a shear, is a transformation that stretches the coordinate space in a non-uniform manner. One typical use of a SkewTransform is for simulating 3-D depth in 2-D objects.

Use the CenterX and CenterY properties to specify the center point of the SkewTransform.

Use the AngleX and AngleY properties to specify the skew angle of the x-axis and y-axis, and to skew the current coordinate system along these axes.

To predict the effect of a skew transformation, consider that AngleX skews x-axis values relative to the original coordinate system. Therefore, for an AngleX of 30, the y-axis rotates 30 degrees through the origin and skews the values in x- by 30 degrees from that origin. Likewise, an AngleY of 30 skews the y- values of the shape by 30 degrees from the origin. Note that this is not the same effect as translating (moving) the coordinate system by 30 degrees in x- or y-.

The following example applies a horizontal skew of 45 degrees to a Rectangle from a center point of (0,0).

<Rectangle 
  Height="50" Width="50" Fill="#CCCCCCFF" 
  Stroke="Blue" StrokeThickness="2"
  Canvas.Left="100" Canvas.Top="100">
  <Rectangle.RenderTransform>

     <!-- Applies a horizontal skew of 45 degrees 
          from a center point of (0,0). -->             
    <SkewTransform CenterX="0" CenterY="0" AngleX="45" AngleY="0" />
  </Rectangle.RenderTransform>
</Rectangle>

The following example applies a horizontal skew of 45 degrees to a Rectangle from a center point of (25,25).

<Rectangle Height="50" Width="50" Fill="#CCCCCCFF"
  Canvas.Left="100" Canvas.Top="100" 
  Stroke="Blue" StrokeThickness="2">
  <Rectangle.RenderTransform>

     <!-- Applies a horizontal skew of 45 degrees 
          from a center point of (25,25). -->  
    <SkewTransform CenterX="25" CenterY="25" AngleX="45" AngleY="0" />
  </Rectangle.RenderTransform>
</Rectangle>

The following example applies a vertical skew of 45 degrees to a Rectangle from a center point of (25,25).

<Rectangle Height="50" Width="50" Fill="#CCCCCCFF" 
  Stroke="Blue" StrokeThickness="2"
  Canvas.Left="100" Canvas.Top="100">
  <Rectangle.RenderTransform>

     <!-- Applies a vertical skew of 45 degrees 
          from a center point of (25,25). -->             
    <SkewTransform CenterX="25" CenterY="25" AngleX="0" AngleY="45" />
  </Rectangle.RenderTransform>
</Rectangle> 

The following illustration shows the different skews that are used in this example.

The three SkewTransform examples illustrated

SkewTransform examples

For the complete sample, see 2-D Transforms Sample.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0

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