WinForm下实现文件拖动操作

必要条件:一个属性，2个事件

       public UccFormChat() {
            InitializeComponent();

            this.chatView.InitControl();
            InitializeViewEvent();
            this.ribbonControl1.QAT.Hidden = true;
            this.DoubleBuffered = true;
            this.AllowDrop = true;
            this.DragEnter += new DragEventHandler(UccFormChat_DragEnter);
            this.DragDrop += new DragEventHandler(_OutputBox_DragDrop);
        }
        void UccFormChat_DragEnter(object sender, DragEventArgs e) {
            e.Effect = DragDropEffects.Copy;
        }
        void _OutputBox_DragDrop(object sender, DragEventArgs e) {
            foreach (string file in ((System.Array)e.Data.GetData(DataFormats.FileDrop))) {
               MessageBox.Show(file);
            }
        }