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HwndHost.MeasureOverride Method

Returns the size of the window represented by the HwndHost object, as requested by layout engine operations.

Namespace:  System.Windows.Interop
Assembly:  PresentationFramework (in PresentationFramework.dll)

protected override Size MeasureOverride(
	Size constraint
)
You cannot use methods in XAML.

Parameters

constraint
Type: System.Windows.Size

The size of the HwndHost object.

Return Value

Type: System.Windows.Size
The size of the HwndHost object.

Security noteSecurity Note:

This type or member is not available in the Internet security zone.

Notes to Implementers:

In Win32, a window is expected to be the size requested by layout at the time the window is created. Derived classes should override this method only if they have additional information regarding required window size.

The specific implementation here is already an override of the FrameworkElement virtual member, which bases size constraints on the window handle and treats a zero value in one or more dimensions as a non-constraint. The WindowsFormsHost class also overrides a MeasureOverride implementation that will result in a clip of the form if it is too large.

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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