The HELPINFO Structure
typedef struct tagHELPINFO { // hi
UINT cbSize;
int iContextType
int iCtrlId;
HANDLE hItemHandle;
DWORD dwContextId;
POINT MousePos;
} HELPINFO, FAR *LPHELPINFO;
The HELPINFO structure contains information about an item for which context-sensitive Help has been requested.
ParameterDescription
cbSizeSize of this structure, in bytes.
iContextTypeType of context for which Help is requested. This member can be one of these values:
ValueMeaning
HELPINFO_MENUITEMHelp requested for a menu item.
HELPINFO_WINDOWHelp requested for a control or window.
iCtrlldIdentifier of the window or control if the iContextType parameter is HELPINFO_WINDOW, or identifier of the menu item if the iContextType parameter is HELPINFO_MENUITEM.
hItemHandleIdentifier of the child window or control if iContextType is HELPINFO_WINDOW, or identifier of the associated menu if iContextType is HELPINFO_MENUITEM.
dwContextIdHelp context identifier of the window or control.
MousePosA POINT structure that contains the screen coordinates of the mouse cursor. This parameter is useful for providing Help based on the position of the mouse cursor.
See Also
Calling WinHelp()
Calling WinHelp Version 4.0 #defines list Examples FuCommand Parameters HELP Context ID Property The HELPWININFO Structure The MULTIKEYHELP Structure The WM TCARD Message Visual Basic