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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

GeneralThank you! Pin
lcalabrese10-Dec-08 14:01
memberlcalabrese10-Dec-08 14:01 
GeneralRe: Thank you! Pin
thanhhong8x6-Jan-11 6:04
memberthanhhong8x6-Jan-11 6:04 
GeneralGreat Mann..! Pin
Bilal Haider Asi1-Feb-08 13:06
memberBilal Haider Asi1-Feb-08 13:06 
GeneralVB.NET version Pin
syed shujaat hussain27-Dec-06 19:28
membersyed shujaat hussain27-Dec-06 19:28 
GeneralRe: VB.NET version Pin
Israel Thomas30-Sep-11 6:10
memberIsrael Thomas30-Sep-11 6:10 
GeneralGreat Thanks!!! Pin
wirthmaster14-Nov-06 5:01
memberwirthmaster14-Nov-06 5:01 
GeneralMissing Message Pin
Deutsche Dogge27-Aug-06 10:48
memberDeutsche Dogge27-Aug-06 10:48 
GeneralTHANK YOU!!! Pin
Polymorpher1-Jul-06 6:45
memberPolymorpher1-Jul-06 6:45 
GeneralThanks a million Pin
Salim Ansari3-Mar-06 5:52
memberSalim Ansari3-Mar-06 5:52 
GeneralThx Pin
Wiebe Tijsma2-Aug-05 4:23
memberWiebe Tijsma2-Aug-05 4:23 
GeneralNice! Pin
Yakumo Fujii3-Jul-05 19:25
memberYakumo Fujii3-Jul-05 19:25 
GeneralThank You Pin
Rana Ian6-Apr-05 19:03
memberRana Ian6-Apr-05 19:03 
GeneralThanks Pin
bkalicharan18-Sep-04 14:08
memberbkalicharan18-Sep-04 14:08 
GeneralThank's Pin
gomess4-Apr-04 7:26
membergomess4-Apr-04 7:26 
GeneralJust what I needed, thanks! Pin
DonDavis15-Jan-04 9:44
memberDonDavis15-Jan-04 9:44 
langmu liu10-Sep-03 16:33
memberlangmu liu10-Sep-03 16:33 
Anonymous7-Sep-04 1:01
sussAnonymous7-Sep-04 1:01 
gdbjohnson26-Nov-04 10:17
membergdbjohnson26-Nov-04 10:17 
Nasenbaaer27-Jul-07 6:05
memberNasenbaaer27-Jul-07 6:05 
GeneralThank you a lot! Pin
Phan Nguyen19-Jun-03 19:20
memberPhan Nguyen19-Jun-03 19:20 
GeneralExtremely useful for C# coders who don't have VC++ Pin
Nishant S18-Sep-02 15:16
editorNishant S18-Sep-02 15:16 
Generalenum declaration Pin
Olaf Herrmann23-Apr-02 22:15
memberOlaf Herrmann23-Apr-02 22:15 
GeneralRe: enum declaration Pin
Anthony Baraff24-Apr-02 1:47
memberAnthony Baraff24-Apr-02 1:47 
GeneralRe: enum declaration Pin
Anonymous24-Apr-02 8:11
memberAnonymous24-Apr-02 8:11 
GeneralRe: enum declaration Pin
Anthony Baraff24-Apr-02 10:17
memberAnthony Baraff24-Apr-02 10:17 

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