Winforms之dockpanel的使用方法

public Form1()
{
     InitializeComponent();
     var f2 = new Form2() { TabText = "Document" };
     f2.Show(this.dockPanel1, DockState.Document);
     f2 = new Form2() { TabText = "DockLeft" }; ;
     f2.Show(this.dockPanel1, DockState.DockLeft);
     f2 = new Form2() { TabText = "DockRight" }; ;
     f2.Show(this.dockPanel1, DockState.DockRight);
     f2 = new Form2() { TabText = "DockBottom" }; ;
     f2.Show(this.dockPanel1, DockState.DockBottom);
     f2 = new Form2() { TabText = "DockLeftAutoHide" }; ;
     f2.Show(this.dockPanel1, DockState.DockLeftAutoHide);
     f2 = new Form2() { TabText = "Float" }; ;
     f2.Show(this.dockPanel1, DockState.Float);
}