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Form Ownership

/*
User  Interfaces  in  C#:  Windows  Forms  and  Custom  Controls
by  Matthew  MacDonald

Publisher:  Apress
ISBN:  1590590457
*/

using  System;
using  System.Drawing;
using  System.Collections;
using  System.ComponentModel;
using  System.Windows.Forms;

namespace  FormOwnership
{
        ///  <summary>
        ///  Summary  description  for  Owner.
        ///  </summary>
        public  class  Owner  :  System.Windows.Forms.Form
        {
                internal  System.Windows.Forms.Button  cmdReleaseOwnership;
                internal  System.Windows.Forms.Button  cmdAddOwnership;
                private  System.Windows.Forms.Label  label1;
                ///  <summary>
                ///  Required  designer  variable.
                ///  </summary>
                private  System.ComponentModel.Container  components  =  null;

                public  Owner()
                {
                        //
                        //  Required  for  Windows  Form  Designer  support
                        //
                        InitializeComponent();

                        //
                        //  TODO:  Add  any  constructor  code  after  InitializeComponent  call
                        //
                }

                ///  <summary>
                ///  Clean  up  any  resources  being  used.
                ///  </summary>
                protected  override  void  Dispose(  bool  disposing  )
                {
                        if(  disposing  )
                        {
                                if(components  !=  null)
                                {
                                        components.Dispose();
                                }
                        }
                        base.Dispose(  disposing  );
                }

                #region  Windows  Form  Designer  generated  code
                ///  <summary>
                ///  Required  method  for  Designer  support  -  do  not  modify
                ///  the  contents  of  this  method  with  the  code  editor.
                ///  </summary>
                private  void  InitializeComponent()
                {
                        this.cmdReleaseOwnership  =  new  System.Windows.Forms.Button();
                        this.cmdAddOwnership  =  new  System.Windows.Forms.Button();
                        this.label1  =  new  System.Windows.Forms.Label();
                        this.SuspendLayout();
                        //  
                        //  cmdReleaseOwnership
                        //  
                        this.cmdReleaseOwnership.FlatStyle  =  System.Windows.Forms.FlatStyle.System;
                        this.cmdReleaseOwnership.Location  =  new  System.Drawing.Point(152,  196);
                        this.cmdReleaseOwnership.Name  =  "cmdReleaseOwnership";
                        this.cmdReleaseOwnership.Size  =  new  System.Drawing.Size(128,  32);
                        this.cmdReleaseOwnership.TabIndex  =  3;
                        this.cmdReleaseOwnership.Text  =  "Remove  Ownership";
                        this.cmdReleaseOwnership.Click  +=  new  System.EventHandler(this.cmdReleaseOwnership_Click);
                        //  
                        //  cmdAddOwnership
                        //  
                        this.cmdAddOwnership.FlatStyle  =  System.Windows.Forms.FlatStyle.System;
                        this.cmdAddOwnership.Location  =  new  System.Drawing.Point(16,  196);
                        this.cmdAddOwnership.Name  =  "cmdAddOwnership";
                        this.cmdAddOwnership.Size  =  new  System.Drawing.Size(120,  32);
                        this.cmdAddOwnership.TabIndex  =  2;
                        this.cmdAddOwnership.Text  =  "Set  Ownership";
                        this.cmdAddOwnership.Click  +=  new  System.EventHandler(this.cmdAddOwnership_Click);
                        //  
                        //  label1
                        //  
                        this.label1.Location  =  new  System.Drawing.Point(40,  36);
                        this.label1.Name  =  "label1";
                        this.label1.Size  =  new  System.Drawing.Size(216,  80);
                        this.label1.TabIndex  =  4;
                        this.label1.Text  =  "To  test  form  ownership,  try  minimizing  this  form  when  the  second  form  is  owned.  T"  +
                                "hen  try,  minimizing  it  when  the  second  form  is  not  owned.";
                        //  
                        //  Owner
                        //  
                        this.AutoScaleBaseSize  =  new  System.Drawing.Size(5,  14);
                        this.ClientSize  =  new  System.Drawing.Size(292,  242);
                        this.Controls.AddRange(new  System.Windows.Forms.Control[]  {
                                                                                                                                                    this.label1,
                                                                                                                                                    this.cmdReleaseOwnership,
                                                                                                                                                    this.cmdAddOwnership});
                        this.Font  =  new  System.Drawing.Font("Tahoma",  8.25F,  System.Drawing.FontStyle.Regular,  System.Drawing.GraphicsUnit.Point,  ((System.Byte)(0)));
                        this.Name  =  "Owner";
                        this.StartPosition  =  System.Windows.Forms.FormStartPosition.CenterScreen;
                        this.Text  =  "Owner";
                        this.Load  +=  new  System.EventHandler(this.Owner_Load);
                        this.ResumeLayout(false);

                }
                #endregion

                private  OwnedForm  frmOwned  =  new  OwnedForm();

                private  void  Owner_Load(object  sender,  System.EventArgs  e)
                {
                        this.Show();
                        frmOwned.Show();
                }

                private  void  cmdAddOwnership_Click(object  sender,  System.EventArgs  e)
                {
                        this.AddOwnedForm(frmOwned);
                        frmOwned.lblState.Text  =  "I'm  Owned";
                }

                private  void  cmdReleaseOwnership_Click(object  sender,  System.EventArgs  e)
                {
                        this.RemoveOwnedForm(frmOwned);
                        frmOwned.lblState.Text  =  "I'm  Free!";
                }

                [STAThread]
                static  void  Main()  
                {
                        Application.Run(new  Owner());
                }
        }
        ///  <summary>
        ///  Summary  description  for  OwnedForm.
        ///  </summary>
        public  class  OwnedForm  :  System.Windows.Forms.Form
        {
                public  System.Windows.Forms.Label  lblState;
                ///  <summary>
                ///  Required  designer  variable.
                ///  </summary>
                private  System.ComponentModel.Container  components  =  null;

                public  OwnedForm()
                {
                        //
                        //  Required  for  Windows  Form  Designer  support
                        //
                        InitializeComponent();

                        //
                        //  TODO:  Add  any  constructor  code  after  InitializeComponent  call
                        //
                }

                ///  <summary>
                ///  Clean  up  any  resources  being  used.
                ///  </summary>
                protected  override  void  Dispose(  bool  disposing  )
                {
                        if(  disposing  )
                        {
                                if(components  !=  null)
                                {
                                        components.Dispose();
                                }
                        }
                        base.Dispose(  disposing  );
                }

                #region  Windows  Form  Designer  generated  code
                ///  <summary>
                ///  Required  method  for  Designer  support  -  do  not  modify
                ///  the  contents  of  this  method  with  the  code  editor.
                ///  </summary>
                private  void  InitializeComponent()
                {
                        this.lblState  =  new  System.Windows.Forms.Label();
                        this.SuspendLayout();
                        //  
                        //  lblState
                        //  
                        this.lblState.Location  =  new  System.Drawing.Point(8,  8);
                        this.lblState.Name  =  "lblState";
                        this.lblState.Size  =  new  System.Drawing.Size(184,  56);
                        this.lblState.TabIndex  =  1;
                        //  
                        //  OwnedForm
                        //  
                        this.AutoScaleBaseSize  =  new  System.Drawing.Size(5,  14);
                        this.ClientSize  =  new  System.Drawing.Size(208,  78);
                        this.Controls.AddRange(new  System.Windows.Forms.Control[]  {
                                                                                                                                                    this.lblState});
                        this.Font  =  new  System.Drawing.Font("Tahoma",  8.25F,  System.Drawing.FontStyle.Regular,  System.Drawing.GraphicsUnit.Point,  ((System.Byte)(0)));
                        this.Name  =  "OwnedForm";
                        this.StartPosition  =  System.Windows.Forms.FormStartPosition.Manual;
                        this.Text  =  "OwnedForm";
                        this.ResumeLayout(false);

                }
                #endregion
        }


}

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