Is a form Mdi Container : MDI : GUI Windows Forms C# Examples

    
using  System;
using  System.Collections.Generic;
using  System.ComponentModel;
using  System.Data;
using  System.Drawing;
using  System.Text;
using  System.Windows.Forms;

public  class  ChildPrototypeForm  :  Form  {
        public  ChildPrototypeForm()  {
                InitializeComponent();
        }

        private  void  ChildPrototypeForm_Click(object  sender,  EventArgs  e)  {
                int  r,  g,  b;
                Random  ran  =  new  Random();
                r  =  ran.Next(0,  255);
                g  =  ran.Next(0,  255);
                b  =  ran.Next(0,  255);

                Color  currColor  =  Color.FromArgb(r,  g,  b);
                this.BackColor  =  currColor;
                this.Text  =  currColor.ToString();
        }
        private  void  InitializeComponent()  {
                this.Click  +=  new  System.EventHandler(this.ChildPrototypeForm_Click);
        }
}

public  class  MainWindow  :  Form  {
        public  MainWindow()  {
                  InitializeComponent();
        }
        private  void  cascadeToolStripMenuItem_Click(object  sender,  EventArgs  e)  {  LayoutMdi(MdiLayout.Cascade);  }

        private  void  verticalToolStripMenuItem_Click(object  sender,  EventArgs  e)  {  LayoutMdi(MdiLayout.TileVertical);  }

        private  void  horizontalToolStripMenuItem_Click(object  sender,  EventArgs  e)  {  LayoutMdi(MdiLayout.TileHorizontal);  }

        private  void  exitToolStripMenuItem_Click(object  sender,  EventArgs  e)  {  Application.Exit();  }

        private  void  newToolStripMenuItem_Click(object  sender,  EventArgs  e)  {
                ChildPrototypeForm  newChild  =  new  ChildPrototypeForm();
                newChild.MdiParent  =  this;
                newChild.Show();
        }

        private  void  InitializeComponent()  {
                this.menuStrip1  =  new  System.Windows.Forms.MenuStrip();
                this.fileToolStripMenuItem1  =  new  System.Windows.Forms.ToolStripMenuItem();
                this.newToolStripMenuItem  =  new  System.Windows.Forms.ToolStripMenuItem();
                this.exitToolStripMenuItem  =  new  System.Windows.Forms.ToolStripMenuItem();
                this.windowToolStripMenuItem  =  new  System.Windows.Forms.ToolStripMenuItem();
                this.arrangeWindowsToolStripMenuItem  =  new  System.Windows.Forms.ToolStripMenuItem();
                this.cascadeToolStripMenuItem  =  new  System.Windows.Forms.ToolStripMenuItem();
                this.verticalToolStripMenuItem  =  new  System.Windows.Forms.ToolStripMenuItem();
                this.horizontalToolStripMenuItem  =  new  System.Windows.Forms.ToolStripMenuItem();
                this.menuStrip1.SuspendLayout();
                this.SuspendLayout();
                //  
                //  menuStrip1
                //  
                this.menuStrip1.Items.AddRange(new  System.Windows.Forms.ToolStripItem[]  {
                        this.fileToolStripMenuItem1,
                        this.windowToolStripMenuItem,
                        this.arrangeWindowsToolStripMenuItem});
                this.menuStrip1.Location  =  new  System.Drawing.Point(0,  0);
                this.menuStrip1.MdiWindowListItem  =  this.windowToolStripMenuItem;
                this.menuStrip1.Name  =  "menuStrip1";
                this.menuStrip1.Size  =  new  System.Drawing.Size(440,  24);
                this.menuStrip1.TabIndex  =  2;
                this.menuStrip1.Text  =  "menuStrip1";
                //  
                //  fileToolStripMenuItem1
                //  
                this.fileToolStripMenuItem1.DropDownItems.AddRange(new  System.Windows.Forms.ToolStripItem[]  {
                        this.newToolStripMenuItem,
                        this.exitToolStripMenuItem});
                this.fileToolStripMenuItem1.Name  =  "fileToolStripMenuItem1";
                this.fileToolStripMenuItem1.Text  =  "&File";
                //  
                //  newToolStripMenuItem
                //  
                this.newToolStripMenuItem.Name  =  "newToolStripMenuItem";
                this.newToolStripMenuItem.Text  =  "&New";
                this.newToolStripMenuItem.Click  +=  new  System.EventHandler(this.newToolStripMenuItem_Click);
                //  
                //  exitToolStripMenuItem
                //  
                this.exitToolStripMenuItem.Name  =  "exitToolStripMenuItem";
                this.exitToolStripMenuItem.Text  =  "E&xit";
                this.exitToolStripMenuItem.Click  +=  new  System.EventHandler(this.exitToolStripMenuItem_Click);
                //  
                //  windowToolStripMenuItem
                //  
                this.windowToolStripMenuItem.Name  =  "windowToolStripMenuItem";
                this.windowToolStripMenuItem.Text  =  "&Window";
                //  
                //  arrangeWindowsToolStripMenuItem
                //  
                this.arrangeWindowsToolStripMenuItem.DropDownItems.AddRange(new  System.Windows.Forms.ToolStripItem[]  {
                        this.cascadeToolStripMenuItem,
                        this.verticalToolStripMenuItem,
                        this.horizontalToolStripMenuItem});
                this.arrangeWindowsToolStripMenuItem.Name  =  "arrangeWindowsToolStripMenuItem";
                this.arrangeWindowsToolStripMenuItem.Text  =  "&Arrange  Windows";
                //  
                //  cascadeToolStripMenuItem
                //  
                this.cascadeToolStripMenuItem.Name  =  "cascadeToolStripMenuItem";
                this.cascadeToolStripMenuItem.Text  =  "&Cascade";
                this.cascadeToolStripMenuItem.Click  +=  new  System.EventHandler(this.cascadeToolStripMenuItem_Click);
                //  
                //  verticalToolStripMenuItem
                //  
                this.verticalToolStripMenuItem.Name  =  "verticalToolStripMenuItem";
                this.verticalToolStripMenuItem.Text  =  "&Vertical";
                this.verticalToolStripMenuItem.Click  +=  new  System.EventHandler(this.verticalToolStripMenuItem_Click);
                //  
                //  horizontalToolStripMenuItem
                //  
                this.horizontalToolStripMenuItem.Name  =  "horizontalToolStripMenuItem";
                this.horizontalToolStripMenuItem.Text  =  "&Horizontal";
                this.horizontalToolStripMenuItem.Click  +=  new  System.EventHandler(this.horizontalToolStripMenuItem_Click);
                //  
                //  MainWindow
                //  
                this.AutoScaleDimensions  =  new  System.Drawing.SizeF(6F,  13F);
                this.AutoScaleMode  =  System.Windows.Forms.AutoScaleMode.Font;
                this.ClientSize  =  new  System.Drawing.Size(440,  238);
                this.Controls.Add(this.menuStrip1);
                this.IsMdiContainer  =  true;
                this.Name  =  "MainWindow";
                this.Text  =  "My  Mdi  Application";
                this.menuStrip1.ResumeLayout(false);
                this.ResumeLayout(false);
                this.PerformLayout();

        }



        private  System.Windows.Forms.MenuStrip  menuStrip1;
        private  System.Windows.Forms.ToolStripMenuItem  fileToolStripMenuItem1;
        private  System.Windows.Forms.ToolStripMenuItem  newToolStripMenuItem;
        private  System.Windows.Forms.ToolStripMenuItem  exitToolStripMenuItem;
        private  System.Windows.Forms.ToolStripMenuItem  windowToolStripMenuItem;
        private  System.Windows.Forms.ToolStripMenuItem  arrangeWindowsToolStripMenuItem;
        private  System.Windows.Forms.ToolStripMenuItem  cascadeToolStripMenuItem;
        private  System.Windows.Forms.ToolStripMenuItem  verticalToolStripMenuItem;
        private  System.Windows.Forms.ToolStripMenuItem  horizontalToolStripMenuItem;

        [STAThread]
        static  void  Main()  {
                Application.EnableVisualStyles();
                Application.Run(new  MainWindow());
        }
}