An application sends a CB_GETDROPPEDCONTROLRECT message to retrieve the screen coordinates of the drop-down list box of a combo box.
CB_GETDROPPEDCONTROLRECT wParam = 0; // not used; must be zero lParam = (LPARAM) (RECT FAR*) lprc; // address of RECT structure
This message always returns CB_OKAY.
file: /Techref/os/win/api/win32/mess/src/msg01_16.htm, 1KB, , updated: 2000/4/7 11:19, local time: 2024/12/25 16:59,
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