1 public partial class UserControl1 : UserControl
2 {
3 public UserControl1()
4 {
5 InitializeComponent();
6 this.tableLayoutPanel1.ColumnStyles[1].Width = 0;
7 }
8 //显示
9 private void toolStripButton1_Click(object sender, EventArgs e)
10 {
11 this.tableLayoutPanel1.ColumnStyles[1].Width = this.tableLayoutPanel1.ColumnStyles[0].Width;
12 this.Refresh();
13 }
14 //隐藏
15 private void toolStripDropDownButton1_Click(object sender, EventArgs e)
16 {
17 this.tableLayoutPanel1.ColumnStyles[1].Width = 0;
18
19 }
20 }
this.tableLayoutPanel1.ColumnStyles[1] 为第二列 ， 0为第一列
