The TTM_UPDATETIPTEXT message sets the tooltip text for a tool.
TTM_UPDATETIPTEXT
wParam = 0;
lParam = (LPARAM) (LPTOOLINFO) lpti;
Parameters
lpti
Pointer to a TOOLINFO structure. The hinst and lpszText members must specify the instance handle and the pointer to the text. The hwnd and uId members identify the tool to update. Before sending this message, you must set the cbSize member of this structure to sizeof(TOOLINFO).
Return Values
No return value.
See Also