mcs/class/System.Windows.Forms/Gtk/Message.cs

   1 //
   2 // System.Drawing.Message.cs
   3 //
   4 // Author:
   5 //   Dennis Hayes (dennish@raytek.com)
   6 //
   7 // (C) 2002 Ximian, Inc.  http://www.ximian.com
   8 //
   9 //TODO ?implment GetLParam.
  10 using System;
  11
  12 namespace System.Windows.Forms {
  13         [Serializable]
  14         public struct Message {
  15
  16                 private int msg;
  17                 private IntPtr hwnd;
  18                 private IntPtr lparam;
  19                 private IntPtr wparam;
  20                 private IntPtr result;
  21
  22
  23                 // -----------------------
  24                 // Public Shared Members
  25                 // -----------------------
  26
  27                 /// <summary>
  28                 ///     Equality Operator
  29                 /// </summary>
  30                 ///
  31                 /// <remarks>
  32                 ///     Compares two Message objects. The return value is
  33                 ///     based on the equivalence of the Msg, HWnd, LParam,
  34                 ///      WParam, and Result properties of the two objects.
  35                 /// </remarks>
  36
  37                 public static bool operator == (Message msg_a,
  38                         Message msg_b) {
  39
  40                         return ((msg_a.msg == msg_b.msg) &&
  41                                 (msg_a.hwnd == msg_b.hwnd) &&
  42                                 (msg_a.lparam == msg_b.lparam) &&
  43                                 (msg_a.wparam == msg_b.wparam) &&
  44                                 (msg_a.result == msg_b.result));
  45                 }
  46
  47                 /// <summary>
  48                 ///     Inequality Operator
  49                 /// </summary>
  50                 ///
  51                 /// <remarks>
  52                 ///     Compares two Message objects. The return value is
  53                 ///     based on the equivalence of the Msg, HWnd, LParam,
  54                 ///      WParam, and Result properties of the two objects.
  55                 /// </remarks>
  56
  57                 public static bool operator != (Message msg_a,
  58                         Message msg_b) {
  59                         return ((msg_a.msg != msg_b.msg) ||
  60                                 (msg_a.hwnd != msg_b.hwnd) ||
  61                                 (msg_a.lparam != msg_b.lparam) ||
  62                                 (msg_a.wparam != msg_b.wparam) ||
  63                                 (msg_a.result != msg_b.result));
  64                 }
  65
  66                 // -----------------------
  67                 // Public Instance Members
  68                 // -----------------------
  69
  70                 public int Msg {
  71                         get{
  72                                 return msg;
  73                         }
  74                         set{
  75                                 msg = value;
  76                         }
  77                 }
  78
  79                 public IntPtr HWnd {
  80                         get{
  81                                 return hwnd;
  82                         }
  83                         set{
  84                                 hwnd = value;
  85                         }
  86                 }
  87
  88                 public IntPtr LParam {
  89                         get{
  90                                 return lparam;
  91                         }
  92                         set{
  93                                 lparam = value;
  94                         }
  95                 }
  96
  97                 public IntPtr WParam {
  98                         get{
  99                                 return wparam;
 100                         }
 101                         set{
 102                                 wparam = value;
 103                         }
 104                 }
 105
 106                 public IntPtr Result {
 107                         get{
 108                                 return result;
 109                         }
 110                         set{
 111                                 result = value;
 112                         }
 113                 }
 114
 115                 public static Message create(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam)
 116                 {
 117                         Message NewMessage =  new Message();
 118                         NewMessage.msg = msg;
 119                         NewMessage.wparam = wparam;
 120                         NewMessage.lparam = lparam;
 121                         NewMessage.hwnd = hWnd;
 122                         return NewMessage;
 123                 }
 124
 125                 /// <summary>
 126                 ///     Equals Method
 127                 /// </summary>
 128                 ///
 129                 /// <remarks>
 130                 ///     Checks equivalence of this Message and another object.
 131                 /// </remarks>
 132
 133                 public override bool Equals (object obj)
 134                 {
 135                         if (!(obj is Message))
 136                                 return false;
 137
 138                         return (this == (Message) obj);
 139                 }
 140
 141                 /// <summary>
 142                 ///     GetHashCode Method
 143                 /// </summary>
 144                 ///
 145                 /// <remarks>
 146                 ///     Calculates a hashing value.
 147                 /// </remarks>
 148
 149                 public override int GetHashCode ()
 150                 {
 151                         return base.GetHashCode();// (int)( msg ^ lparam ^ wparam ^ result ^ whnd);
 152                 }
 153
 154                 /// <summary>
 155                 ///     ToString Method
 156                 /// </summary>
 157                 ///
 158                 /// <remarks>
 159                 ///     Formats the Message as a string.
 160                 /// </remarks>
 161
 162                 public override string ToString ()
 163                 {
 164                         return String.Format ("[{0},{1},{2},{3},{4}]", msg.ToString(), lparam.ToString(), wparam.ToString(), result.ToString(), hwnd.ToString());
 165                 }
 166
 167                 public object GetLParam(Type cls){
 168                                 throw new NotImplementedException ();
 169                         //return (object) lparam;
 170                 }
 171         }
 172 }