[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Gets or sets the x-axis value of the left side of the rectangle.
Public Property X As Double
You can set this value in XAML, but only as part of the attribute syntax for properties that take a Rect, or as initialization text of a Rect object element. See XAML sections and Remarks sections of Rect.
X, Y, Width, and Height can be negative. See Remarks in Rect.