EN_DROPFILES
The
EN_DROPFILE notification message notifies a rich edit control s 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;
Parameters
uID
Identifier of
the rich edit control.
lpEnDropFiles
Pointer to an
ENDROPFILES structure.
Return Values
Returns a
nonzero value to allow the drop operation or zero to ignore the drop.
Remarks
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.
See Also