listview的用法 private void button1_Click(object sender, EventArgs e) { this.button1.Dock = DockStyle.Top; this.button3.Dock = DockStyle.Bottom; this.button2.Dock =
treeview的用法 string[] mypicture = System.IO.Directory.GetFiles("" + Application.StartupPath + @"\picture", "*.*", System.IO.SearchOpt