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Posted 22 Apr 2002

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
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Comments and Discussions

Questionreally useful thank you Pin
iwbm25-Jun-13 0:29
memberiwbm25-Jun-13 0:29 
QuestionThanks! Pin
cbc7007-May-13 2:32
membercbc7007-May-13 2:32 
QuestionThank you!! Very Useful!! Pin
gallicox17-Oct-11 0:47
membergallicox17-Oct-11 0:47 
GeneralMy vote of 5 Pin
Paul Miranda30-Aug-11 7:14
memberPaul Miranda30-Aug-11 7:14 
GeneralMy vote of 5 Pin
rahul_raut9-May-11 0:54
memberrahul_raut9-May-11 0:54 
GeneralTHANKS a LOT! Pin
rahul_raut9-May-11 0:53
memberrahul_raut9-May-11 0:53 
GeneralMy vote of 5 Pin
gisKing18-Apr-11 16:32
membergisKing18-Apr-11 16:32 
GeneralMy vote of 5 Pin
Diwakar Gupta19-Jul-10 20:54
memberDiwakar Gupta19-Jul-10 20:54 
GeneralThanks Pin
SNathani13-Nov-09 7:03
memberSNathani13-Nov-09 7:03 
GeneralToo good Pin
Xmen W.K.24-Aug-09 21:57
memberXmen W.K.24-Aug-09 21:57 
GeneralThank you! Pin
lcalabrese10-Dec-08 15:01
memberlcalabrese10-Dec-08 15:01 
GeneralRe: Thank you! Pin
thanhhong8x6-Jan-11 7:04
memberthanhhong8x6-Jan-11 7:04 
GeneralGreat Mann..! Pin
Bilal Haider Asi1-Feb-08 14:06
memberBilal Haider Asi1-Feb-08 14:06 
GeneralVB.NET version Pin
syed shujaat hussain27-Dec-06 20:28
membersyed shujaat hussain27-Dec-06 20:28 
GeneralRe: VB.NET version Pin
Israel Thomas30-Sep-11 7:10
memberIsrael Thomas30-Sep-11 7:10 
GeneralGreat Thanks!!! Pin
wirthmaster14-Nov-06 6:01
memberwirthmaster14-Nov-06 6:01 
GeneralMissing Message Pin
Deutsche Dogge27-Aug-06 11:48
memberDeutsche Dogge27-Aug-06 11:48 
GeneralTHANK YOU!!! Pin
Polymorpher1-Jul-06 7:45
memberPolymorpher1-Jul-06 7:45 
GeneralThanks a million Pin
Salim Ansari3-Mar-06 6:52
memberSalim Ansari3-Mar-06 6:52 
GeneralThx Pin
Wiebe Tijsma2-Aug-05 5:23
memberWiebe Tijsma2-Aug-05 5:23 
GeneralNice! Pin
Yakumo Fujii3-Jul-05 20:25
memberYakumo Fujii3-Jul-05 20:25 
GeneralThank You Pin
Rana Ian6-Apr-05 20:03
memberRana Ian6-Apr-05 20:03 
GeneralThanks Pin
bkalicharan18-Sep-04 15:08
memberbkalicharan18-Sep-04 15:08 
GeneralThank's Pin
gomess4-Apr-04 8:26
membergomess4-Apr-04 8:26 
GeneralJust what I needed, thanks! Pin
DonDavis15-Jan-04 10:44
memberDonDavis15-Jan-04 10:44 

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