The EN_DROPFILE notification message notifies a rich edit controlís parent window that the user is attempting to drop files into the control. A rich edit control sends this notification message in the form of a WM_NOTIFY message when it receives the WM_DROPFILES message.
EN_DROPFILES wParam = (WPARAM) (UINT) uID; lParam = (LPARAM) (ENDROPFILES FAR *) lpEnDropFiles;
Returns a nonzero value to allow the drop operation or zero to ignore the drop.
For a rich edit control to receive WM_DROPFILES messages, the parent window must register the control as a drop target by using the DragAcceptFiles function. The control does not register itself.
DragAcceptFiles, ENDROPFILES, WM_DROPFILES, WM_NOTIFY
|file: /Techref/os/win/api/win32/mess/src/msg07.htm, 1KB, , updated: 2000/4/7 12:20, local time: 2022/8/7 23:25,
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