Microsoft.SharePoint.dll:
C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\ISAPI\Microsoft.SharePoint.dll
New GUID (guidgen.exe):
C:\Program Files\Microsoft Visual Studio 8\Common7\Tools\guidgen.exe.
CMD:
C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN
PublicKey Token:
To get the Public Key Token of the assembly, in Windows Explorer find the MyEventHandler.dll file in the C:\WINDOWS\assembly, right-click the file, click Properties, and on the General tab of the Properties dialog box, select and copy the token.
Installing EventHandler:
stsadm -o installfeature -filename dirwhereeventis\Feature.xml
stsadm -o activatefeature -filename dirwhereeventis\Feature.xml -url http://Server/Site/Subsite
iisreset
*dirwhereeventis = C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATES\FEATURES\nameofdir
