I would like to find the values of some of windows API constants, such as, but not limited to LVM_ENABLEGROUPVIEW & WM_SHOWWINDOW
Looking on the n
In addition to what others have said (all valid and good advices), Google is your friend. Search for "#define WM_Whatever".
For example: http://www.google.si/search?&q=%23define+LVM_ENABLEGROUPVIEW