Help Identifier

Associated with each menu bar, menu, submenu, and shortcut menu is a 32-bit help identifier. If the user presses the F1 key while the menu is active, this value is sent to the owner window as part of a WM_HELP message. For more information about help identifiers, see Help.

Software for developers

Delphi Components
.Net Components
Software for Android Developers

More information resources

MegaDetailed.Net
Unix Manual Pages
Delphi Examples