mcs/class/System.Windows.Forms/System.Windows.Forms/KeyEventArgs.cs

   1 //
   2 // System.Windows.Forms.KeyEventArgs.cs
   3 //
   4 // Author:
   5 //   stubbed out by Daniel Carrera (dcarrera@math.toronto.edu)
   6 //      Partially completed by Dennis Hayes (dennish@raytek.com)
   7 //  Gianandrea Terzi (gianandrea.terzi@lario.com)
   8 //
   9 // (C) 2002 Ximian, Inc
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System.Runtime.InteropServices;
  34
  35 namespace System.Windows.Forms {
  36
  37         // <summary>
  38         // Complete
  39         // </summary>
  40
  41     public class KeyEventArgs : EventArgs {
  42
  43                 #region Fields
  44
  45                 private Keys keydata;
  46                 private bool handled = false;
  47
  48                 #endregion
  49                 //
  50                 //  --- Constructor
  51                 //
  52                 public KeyEventArgs (Keys keyData)
  53                 {
  54                         this.keydata = keyData;
  55                 }
  56
  57                 #region Public Properties
  58
  59                 [ComVisible(true)]
  60                 public virtual bool Alt
  61                 {
  62                         get {
  63                                 return (keydata == Keys.Alt);
  64                         }
  65                 }
  66
  67                 [ComVisible(true)]
  68                 public bool Control
  69                 {
  70                         get {
  71                                 return (keydata == Keys.Control);
  72                         }
  73                 }
  74
  75                 [ComVisible(true)]
  76                 public bool Handled
  77                 {
  78                         get {
  79                                 return handled;
  80                         }
  81                         set {
  82                                 handled = value;
  83                         }
  84                 }
  85
  86                 [ComVisible(true)]
  87                 public Keys KeyCode
  88                 {
  89                         get {
  90                                 return keydata & Keys.KeyCode;
  91                         }
  92                 }
  93
  94                 [ComVisible(true)]
  95                 public Keys KeyData
  96                 {
  97                         get {
  98                                 return keydata;
  99                         }
 100                 }
 101
 102                 [ComVisible(true)]
 103                 public int KeyValue
 104                 {
 105                         get {
 106                                 return Convert.ToInt32(keydata);
 107                         }
 108                 }
 109
 110                 [ComVisible(true)]
 111                 public Keys Modifiers
 112                 {
 113                         get {
 114                                 Keys returnKeys = new Keys();
 115                                 if(keydata == Keys.Alt)returnKeys = Keys.Alt;
 116                                 if(keydata == Keys.Control)returnKeys = returnKeys | Keys.Control;
 117                                 if(keydata == Keys.Shift)returnKeys = returnKeys | Keys.Shift;
 118                                 return returnKeys;
 119                         }
 120                 }
 121
 122                 [ComVisible(true)]
 123                 public virtual bool Shift
 124                 {
 125                         get {
 126                                 return (keydata == Keys.Shift);
 127                         }
 128                 }
 129                 #endregion
 130
 131         }
 132 }