Defines a message filter interface.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Thetype exposes the following members.
This interface allows an application to capture a message before it is dispatched to a control or form.
A class that implements the interface can be added to the application's message pump to filter out a message or perform other operations before the message is dispatched to a form or control. To add the message filter to an application's message pump, use the AddMessageFilter method in the Application class.
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.