HELPINFO structure (winuser.h)
Contains information about an item for which context-sensitive help has been requested.
Syntax
typedef struct tagHELPINFO {
UINT cbSize;
int iContextType;
int iCtrlId;
HANDLE hItemHandle;
DWORD_PTR dwContextId;
POINT MousePos;
} HELPINFO, *LPHELPINFO;
Members
cbSize
Type: UINT
The structure size, in bytes.
iContextType
Type: int
The type of context for which help is requested. This member can be one of the following values.
HELPINFO_MENUITEM: Help requested for a menu item.
HELPINFO_WINDOW: Help requested for a control or window.
iCtrlId
Type: int
The identifier of the window or control if iContextType is HELPINFO_WINDOW, or identifier of the menu item if iContextType is HELPINFO_MENUITEM.
hItemHandle
Type: HANDLE
The identifier of the child window or control if iContextType is HELPINFO_WINDOW, or identifier of the associated menu if iContextType is HELPINFO_MENUITEM.
dwContextId
Type: DWORD
The help context identifier of the window or control.
MousePos
Type: POINT
The POINT structure that contains the screen coordinates of the mouse cursor. This is useful for providing help based on the position of the mouse cursor.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows XP [desktop apps only] |
Minimum supported server | Windows 2000 Server [desktop apps only] |
Header | winuser.h |
Σχόλια
https://aka.ms/ContentUserFeedback.
Σύντομα διαθέσιμα: Καθ' όλη τη διάρκεια του 2024 θα καταργήσουμε σταδιακά τα ζητήματα GitHub ως μηχανισμό ανάδρασης για το περιεχόμενο και θα το αντικαταστήσουμε με ένα νέο σύστημα ανάδρασης. Για περισσότερες πληροφορίες, ανατρέξτε στο θέμα:Υποβολή και προβολή σχολίων για