winform(C#)拖拽實現獲得文件路徑

//設置Form的AllowDrop為true
 2
 3 private void Form1_DragDrop(object sender, DragEventArgs e)
 4 {
 5             string path = ((System.Array)e.Data.GetData(DataFormats.FileDrop)).GetValue(0).ToString();
 6             MessageBox.Show(path); 
 7
 8 }
 9
10 private void Form1_DragEnter(object sender, DragEventArgs e)
11 {
12             if (e.Data.GetDataPresent(DataFormats.FileDrop))
13                 e.Effect = DragDropEffects.Link;
14             else e.Effect = DragDropEffects.None;