The TTM_SETTOOLINFO message sets the information that a tooltip control maintains for a tool.
TTM_SETTOOLINFO
wParam = 0;
lParam = (LPARAM) (LPTOOLINFO) lpti;
Parameters
lpti
Pointer to a TOOLINFO structure that specifies the information to set. Before sending this message, you must set the cbSize member of this structure to sizeof(TOOLINFO).
Return Values
No return value.
See Also