TTM_UPDATETIPTEXT Overview Group

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).

No return value.