mcs/class/Managed.Windows.Forms/System.Windows.Forms/ApplicationContext.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2004 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Peter Bartok    pbartok@novell.com
  24 //
  25
  26 // COMPLETE
  27
  28 namespace System.Windows.Forms {
  29         public class ApplicationContext {
  30                 #region Local Variables
  31                 Form    main_form;
  32                 #endregion      // Local Variables
  33
  34                 #region Public Constructors & Destructors
  35                 public ApplicationContext() : this(null) {
  36                 }
  37
  38                 public ApplicationContext(Form mainForm) {
  39                         main_form=mainForm;
  40                 }
  41
  42                 ~ApplicationContext() {
  43                         this.Dispose(false);
  44                 }
  45                 #endregion      // Public Constructors & Destructors
  46
  47                 #region Public Instance Properties
  48                 public Form MainForm {
  49                         get {
  50                                 return main_form;
  51                         }
  52
  53                         set {
  54                                 if (main_form!=value) {
  55                                         main_form=value;
  56                                 }
  57                         }
  58                 }
  59                 #endregion      // Public Instance Properties
  60
  61                 #region Public Instance Methods
  62                 public void Dispose() {
  63                         Dispose(true);
  64                         GC.SuppressFinalize(this);
  65                 }
  66
  67                 public void ExitThread() {
  68                         ExitThreadCore();
  69                 }
  70                 #endregion      // Public Instance Methods
  71
  72                 #region Protected Instance Methods
  73                 protected virtual void Dispose(bool disposing) {
  74                         main_form=null;
  75                 }
  76
  77                 protected virtual void ExitThreadCore() {
  78                         if (ThreadExit!=null) {
  79                                 ThreadExit(this, EventArgs.Empty);
  80                         }
  81                 }
  82
  83                 protected virtual void OnMainFormClosed(object sender, EventArgs e) {
  84                         ExitThreadCore();
  85                 }
  86                 #endregion      // Public Instance Methods
  87
  88                 #region Events
  89                 public event EventHandler ThreadExit;
  90                 #endregion      // Events
  91         }
  92 }