mcs/class/Managed.Windows.Forms/System.Windows.Forms/Message.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 using System;
  29 using System.Runtime.InteropServices;
  30 using System.Text;
  31 using System.Diagnostics;
  32
  33 namespace System.Windows.Forms {
  34         public struct Message {
  35                 private int     msg;
  36                 private IntPtr  hwnd;
  37                 private IntPtr  lParam;
  38                 private IntPtr  wParam;
  39                 private IntPtr  result;
  40
  41                 #region Public Instance Properties
  42                 public IntPtr HWnd {
  43                         get { return hwnd; }
  44                         set { hwnd=value; }
  45                 }
  46
  47                 public IntPtr LParam {
  48                         get { return lParam; }
  49                         set { lParam=value; }
  50                 }
  51
  52                 public int Msg {
  53                         get { return msg; }
  54                         set { msg=value; }
  55                 }
  56
  57                 public IntPtr Result {
  58                         get { return result; }
  59                         set { result=value; }
  60                 }
  61
  62                 public IntPtr WParam {
  63                         get { return wParam; }
  64                         set { wParam=value; }
  65                 }
  66                 #endregion      // Public Instance Properties
  67
  68                 #region Public Static Methods
  69                 public static Message Create(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam) {
  70                         Message new_message = new Message();
  71
  72                         new_message.msg=msg;
  73                         new_message.hwnd=hWnd;
  74                         new_message.wParam=wparam;
  75                         new_message.lParam=lparam;
  76                         return new_message;
  77                 }
  78                 #endregion      // Public Static Methods
  79
  80                 #region Public Instance Methods
  81                 public override bool Equals(object o) {
  82                         if (!(o is Message)) {
  83                                 return false;
  84                         }
  85
  86                         return ((this.msg == ((Message)o).msg) &&
  87                                 (this.hwnd == ((Message)o).hwnd) &&
  88                                 (this.lParam == ((Message)o).lParam) &&
  89                                 (this.wParam == ((Message)o).wParam) &&
  90                                 (this.result == ((Message)o).result));
  91                 }
  92
  93                 public override int GetHashCode() {
  94                         return base.GetHashCode();
  95                 }
  96
  97                 public object GetLParam(Type cls) {
  98                         object o = Marshal.PtrToStructure(this.lParam, cls);
  99
 100                         return(o);
 101                 }
 102
 103                 public override string ToString() {
 104                         return String.Format("[{0} {1} {2} {3}]", msg.ToString(), lParam.ToString(), wParam.ToString(), hwnd.ToString());
 105                 }
 106                 #endregion      // Public Instance Methods
 107         }
 108 }