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MessageLoop Property

Application.MessageLoop Property

Gets a value indicating whether a message loop exists on this thread.

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

public static bool MessageLoop { get; }

Property Value

Type: System.Boolean
true if a message loop exists; otherwise, false.

When hosting Windows Forms in other environments, such as unmanaged applications, this property will always return false. Use RegisterMessageLoop to instruct Windows Forms if the hosting environment still has an active message loop.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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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