Registers a callback for checking whether the message loop is running in hosted environments.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)] public static void RegisterMessageLoop( Application.MessageLoopCallback callback )
- Type: System.Windows.Forms.Application.MessageLoopCallback
The method to call when Windows Forms needs to check if the hosting environment is still sending messages.
This method is used when hosting Windows Forms in another environment, such as an unmanaged application. In hosted environments, the MessageLoop property will always return false if Windows Forms is not processing messages. Use this callback to tell Windows Forms if the hosting environment is still processing messages.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.