ButtonBase.IsMouseOver Property

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

Gets a value indicating whether the mouse pointer is located over this button control.

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


Public Property IsMouseOver As Boolean
public bool IsMouseOver { get; internal set; }

Property Value

Type: System.Boolean
true to indicate the mouse pointer is over the button control, otherwise false. The default is false.


Dependency property identifier field: IsMouseOverProperty

IsMouseOver will not be set until OnMouseEnter has been called. Therefore, you should not rely on the accuracy of the IsMouseOver property in a handler for the MouseEnter event.

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.