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Popup.MeasureOverride Method (Size)

 

Determines the required size of the Popup content within the visual tree of the logical parent.

Namespace:   System.Windows.Controls.Primitives
Assembly:  PresentationFramework (in PresentationFramework.dll)

protected override Size MeasureOverride(
	Size availableSize
)

Parameters

availableSize
Type: System.Windows.Size

The available size that this element can give to the child. You can use infinity as a value to indicate that the element can size to whatever content is available.

Return Value

Type: System.Windows.Size

A Size structure that has the Height and Width properties both equal to zero (0).

This method always returns a Size that has a width and height of zero (0), because Popup content is not located in the visual tree of its logical parent or PlacementTarget. The child content is created in a different window that has its own visual tree.

.NET Framework
Available since 3.0
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