.NET Framework Class Library
Window.Topmost Property
Gets or sets a value that indicates whether a window appears in the topmost z-order.
Assembly: PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
Syntax
Visual Basic
Public Property Topmost As Boolean Get Set
C#
public bool Topmost { get; set; }
Visual C++
public: property bool Topmost { bool get (); void set (bool value); }
F#
member Topmost : bool with get, set
XAML Attribute Usage
<object Topmost="bool" .../>
Dependency Property Information
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Identifier field |
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Metadata properties set to true |
None |
Remarks
A window whose Topmost property is set to true appears above all windows whose Topmost properties are set to false.
In the group of windows that have Topmost property is set to true, the window that is currently activated is the topmost window. Likewise for the group of windows that have Topmost property is set to false.
Note
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You cannot set or get this property when a window is hosted in a browser. |
Version Information
.NET Framework
Supported in: 4, 3.5, 3.0.NET Framework Client Profile
Supported in: 4, 3.5 SP1Platforms
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.
See Also