Implement "What is this?"
Often see some windows? No., "What is this?" Function, if the programmed implementation is different. For example: Click the "Help" button. . What is this? "The function .. This is to use the API, actually through PostMessage.
Postmessage (Handle, Wm_SysCommand, Sc_Contexthelp, 0);
Is it simple, hey, I want to come, for it, I found it. . . . . .