private void Form1_DragEnter (object sender, System.Windows.Forms.DragEventArgs e) {if (e.Data.GetDataPresent (DataFormats.FileDrop)) e.Effect = DragDropEffects.Link; else e.Effect = DragDropEffects.None;} private void Form1_dragdrop (Object sender, system.windows.Forms.drageventargs e) {// where Label1.Text shows the file name dragged into the file; label1.text = (system.Array) E.Data.getdata ) .Getvalue (0) .toString ();