An application sends the EM_GETTHUMB message to retrieve the position of the scroll box (thumb) in a multiline edit control.
EM_GETTHUMB wParam = 0; // not used, must be zero lParam = 0; // not used, must be zero
This message has no parameters.
The return value is the position of the scroll box.
file: /Techref/os/win/api/win32/mess/src/msg05_12.htm, 0KB, , updated: 2000/4/7 11:19, local time: 2024/11/18 03:15,
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