UIElement.OnRenderSizeChanged(SizeChangedInfo) Method
Definition
Important
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When overridden in a derived class, participates in rendering operations that are directed by the layout system. This method is invoked after layout update, and before rendering, if the element's RenderSize has changed as a result of layout update.
protected public:
virtual void OnRenderSizeChanged(System::Windows::SizeChangedInfo ^ info);
protected internal virtual void OnRenderSizeChanged (System.Windows.SizeChangedInfo info);
abstract member OnRenderSizeChanged : System.Windows.SizeChangedInfo -> unit
override this.OnRenderSizeChanged : System.Windows.SizeChangedInfo -> unit
Protected Friend Overridable Sub OnRenderSizeChanged (info As SizeChangedInfo)
Parameters
- info
- SizeChangedInfo
The packaged parameters (SizeChangedInfo), which includes old and new sizes, and which dimension actually changes.
Remarks
This method has no default implementation. A typical WPF framework-level element uses the override implementation from FrameworkElement. The FrameworkElement implementation invalidates the Width and Height properties and handles the basics of remaking the layout. Overriding OnRenderSizeChanged at the UIElement level implies that your element implementation is deliberately not using the WPF framework-level implementation, and therefore your element must handle layout logic more directly, typically by writing a replacement layout system.
Applies to
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