GetWindowContextHelpId function (winuser.h)
Retrieves the Help context identifier, if any, associated with the specified window.
Syntax
DWORD GetWindowContextHelpId(
HWND unnamedParam1
);
Parameters
unnamedParam1
Type: HWND
A handle to the window for which the Help context identifier is to be retrieved.
Return value
Type: DWORD
Returns the Help context identifier if the window has one, or zero otherwise.
Requirements
| Minimum supported client | Windows XP [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | winuser.h |
| Library | User32.lib |
| DLL | User32.dll |