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Gets or sets a graphics transformation that should apply to this element when layout is performed. This is a dependency property.

Namespace: System.Windows
Assembly: PresentationFramework (in presentationframework.dll)
XML-Namespaces:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

public Transform LayoutTransform { get; set; }
/** @property */
public Transform get_LayoutTransform ()

/** @property */
public void set_LayoutTransform (Transform value)

public function get LayoutTransform () : Transform

public function set LayoutTransform (value : Transform)

Informationen zu XAML finden Sie unter dem Transform-Typ.


The transform this element should use. The default is Identity.

In contrast to RenderTransform, LayoutTransform will affect results of layout.

Setting a transform provides powerful capabilities of scaling and rotating. However, LayoutTransform ignores TranslateTransform operations. This is because because the layout system behavior for child elements of a FrameworkElement auto-corrects any offsets to the position of a scaled or rotated element into the layout and coordinate system of the parent element.

Example scenarios where LayoutTransform would be useful include: rotating elements such as menu components from horizontal to vertical or vice versa, scaling elements (zooming in) on focus, providing editing behavior, etc.

This example shows how to apply a LayoutTransform to an element. The example creates an instance of Button and hosts it within a parent Grid. It also uses the LayoutTransform property to apply a RotateTransform to the Button.

Performance Note: Before using LayoutTransform, be sure that you understand how this property can affect performance.

LayoutTransform can lead to poor application performance if you invoke it in a scenario that does not require a full pass by the layout system. When you apply a LayoutTransform to the Children collection of the Panel, it triggers a new pass by the layout system and forces all on-screen objects to be remeasured and rearranged. If you are updating the complete application user interface (UI), this functionality might be exactly what you need. However, if you do not need a full layout pass, use the RenderTransform property, which does not invoke the layout system, and therefore, is typically a better choice for this scenario.

Button btn2 = new Button();
btn2.Background = Brushes.LightCoral;
btn2.Content = "RotateTransform";
btn2.LayoutTransform = new RotateTransform(45, 25, 25);
Grid.SetRow(btn2, 0);
Grid.SetColumn(btn2, 1);

<Button Grid.Row="0" Grid.Column="1" Background="LightCoral" Content="RotateTransform Applied">
    <RotateTransform CenterX="25" CenterY="25" Angle="45" />

For the complete sample, which shows each of the available layout transforms, see Applying a LayoutTransform to an Element Sample.

Microsoft .NET Framework 3.0 wird unter Windows Vista, Microsoft Windows XP SP2 und Windows Server 2003 SP1 unterstützt.

.NET Framework

Unterstützt in: 3.0
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