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UIElement3D.IsMouseOver Property

Gets a value indicating whether the mouse pointer is located over this element (including child elements in the visual tree).

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

'Declaration
Public ReadOnly Property IsMouseOver As Boolean

Property Value

Type: System.Boolean
true if mouse pointer is over the element or its child elements; otherwise, false. The default is false.

Implements

IInputElement.IsMouseOver

Identifier field

IsMouseOverProperty

Metadata properties set to true

None

Typically, controls are composited such that the various elements inside the control (the visual tree) will all report the mouse state for the containing control. For example, a ListBox style control will report IsMouseOver as true if the mouse is anywhere over its geometry, including any ListBoxItem.

Although an analogous "IsMouseOverChanged" event does not exist, several similar events do. For example, you can handle MouseEnter, MouseMove, and IsMouseDirectlyOverChanged.

If this element captures the mouse, this property remains true until mouse capture is lost and the mouse pointer leaves the element bounds.

Some controls deliberately capture the mouse on certain actions that do not appear to directly involve the mouse. This can lead to IsMouseOver being true even though the mouse has not apparently moved.

IsMouseOver is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.

.NET Framework

Supported in: 4, 3.5 SP1, 3.0 SP1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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