Rect.Union Method (Point)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Expands the rectangle represented by the current Rect exactly enough to contain the specified point.

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


Public Sub Union ( _
    point As Point _
public void Union(
    Point point



Because this method alters the current Rect it acts upon, it is often a best practice to retain a copy before calling Union in case the union is not a desirable value for the current Rect.

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.