C# WinForm拖入檔案到表單，得到檔案路徑

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      private void textBox1_DragDrop(object sender, DragEventArgs e)        {            if (e.Data.GetDataPresent(DataFormats.FileDrop))            {                string[] rs = (string[])e.Data.GetData(DataFormats.FileDrop);                MessageBox.Show(rs[0]);            }         }                    private void Form1_DragEnter_1(object sender, DragEventArgs e)        {            //只允許檔案拖放            if (e.Data.GetDataPresent(DataFormats.FileDrop))            {                e.Effect = DragDropEffects.Copy;            }            else            {                e.Effect = DragDropEffects.None;            }        }

表單上添加以上2個事件即可。DragEnter、DragDrop