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Windows Message ID constants

, 22 Apr 2002
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C# enumeration with most standard Windows message ID constants


The .NET base classes manage to insulate the programmer from many of the details of how applications interact with the underlying operating system, but in order to implement advanced UI functionality Microsoft leaves you no option but to interoperate with windows plumbing. The IMessageFilter interface requires you to use the System.Windows.Forms.Message struct which wraps a windows message. The Msg property corresponds to an int value that stores a constant indicating the type of message, Windows is sending your application. To my knowledge, Microsoft has not incorporated an enumeration with the commonly used constants. So, I stripped all of the messages I could find in the CommCtrl.h and WinUser.h header files and created an enum. I hope that you find it useful.

namespace WindowsUtilities
    public enum WindowsMessages: int
        WM_NULL = 0x0000,
        WM_CREATE = 0x0001,

        //Refer the WindowMessages.cs file
        //for complete source listing

        LM_SETITEM = (WM_USER + 0x302), 
        LM_GETITEM = (WM_USER + 0x303)


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About the Author

Anthony Baraff
Web Developer
United States United States
No Biography provided

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Comments and Discussions

Questionreally useful thank you Pin
iwbm24-Jun-13 23:29
memberiwbm24-Jun-13 23:29 
QuestionThanks! Pin
cbc7007-May-13 1:32
membercbc7007-May-13 1:32 
QuestionThank you!! Very Useful!! Pin
gallicox16-Oct-11 23:47
membergallicox16-Oct-11 23:47 
GeneralMy vote of 5 Pin
Paul Miranda30-Aug-11 6:14
memberPaul Miranda30-Aug-11 6:14 
GeneralMy vote of 5 Pin
rahul_raut8-May-11 23:54
memberrahul_raut8-May-11 23:54 
GeneralTHANKS a LOT! Pin
rahul_raut8-May-11 23:53
memberrahul_raut8-May-11 23:53 
GeneralMy vote of 5 Pin
gisKing18-Apr-11 15:32
membergisKing18-Apr-11 15:32 
GeneralMy vote of 5 Pin
Diwakar Gupta19-Jul-10 19:54
memberDiwakar Gupta19-Jul-10 19:54 
GeneralThanks Pin
SNathani13-Nov-09 6:03
memberSNathani13-Nov-09 6:03 
GeneralToo good Pin
Xmen W.K.24-Aug-09 20:57
memberXmen W.K.24-Aug-09 20:57 

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