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Control.PreProcessControlMessage Method

Preprocesses keyboard or input messages within the message loop before they are dispatched.

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

[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
public PreProcessControlState PreProcessControlMessage(
	ref Message msg
)

Parameters

msg
Type: System.Windows.Forms.Message%
A Message that represents the message to process.

Return Value

Type: System.Windows.Forms.PreProcessControlState
One of the PreProcessControlState values, depending on whether PreProcessMessage is true or false and whether IsInputKey or IsInputChar are true or false.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.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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