WM_DROPFILES

Sent when the user drops a file on the window of an application that has registered itself as a recipient of dropped files.

WM_DROPFILES 
    hDrop = (HDROP) wParam; 

Parameters

hDrop

Handle to an internal structure describing the dropped files. Pass this handle DragFinish, DragQueryFile, or DragQueryPoint to retrieve information about the dropped files.

Return Values

An application should return zero if it processes this message.

Remarks

The HDROP handle is declared in Shellapi.h. You must include this header in your build to use WM_DROPFILES. See Transferring Shell Data Using Drag-Drop or the Clipboard for further discussion of how to use drag-drop to transfer shell data.

See Also

DragAcceptFiles

Requirements

  Windows NT/2000: Requires Windows NT 3.1 or later.
  Windows 95/98: Requires Windows 95 or later.
  Header: Declared in winuser.h.