C#学习笔记——MDI窗体（多文档界面）

1: public Form MdiParent{get;set;}

1: public void LayoutMdi(MdiLayout value)

1: public partial class FormMain : Form
   2:     {
   3:         public FormMain()
   4:         {
   5:             InitializeComponent();
   6:         }
   7:  
   8:         private void 加载子窗体ToolStripMenuItem_Click(object sender, EventArgs e)
   9:         {
  10:             FormChild_1 frm1 = new FormChild_1();
  11:             frm1.MdiParent = this;
  12:             frm1.Show();
  13:  
  14:             FormChild_2 frm2 = new FormChild_2();
  15:             frm2.MdiParent = this;
  16:             frm2.Show();
  17:  
  18:             FormChild_3 frm3 = new FormChild_3();
  19:             frm3.MdiParent = this;
  20:             frm3.Show();
  21:         }
  22:  
  23:         private void 水平平铺ToolStripMenuItem_Click(object sender, EventArgs e)
  24:         {
  25:             LayoutMdi(MdiLayout.TileHorizontal);
  26:         }
  27:  
  28:         private void 垂直平铺ToolStripMenuItem_Click(object sender, EventArgs e)
  29:         {
  30:             LayoutMdi(MdiLayout.TileVertical);
  31:         }
  32:  
  33:         private void 层叠排列ToolStripMenuItem_Click(object sender, EventArgs e)
  34:         {
  35:             LayoutMdi(MdiLayout.Cascade);
  36:         }
  37:  
  38:     }