mcs/class/Managed.Windows.Forms/System.Windows.Forms/KeyEventArgs.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) 2004-2005 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Peter Bartok    pbartok@novell.com
  24 //
  25 //
  26
  27
  28 // COMPLETE
  29
  30 using System.Runtime.InteropServices;
  31
  32 namespace System.Windows.Forms {
  33         [ComVisible(true)]
  34         public class KeyEventArgs : EventArgs {
  35                 private Keys    key_data;
  36                 private bool    event_handled;
  37                 private bool    supress_key_press;
  38
  39                 #region Public Constructors
  40                 public KeyEventArgs(Keys keyData) {
  41                         this.key_data=keyData | XplatUI.State.ModifierKeys;
  42                         this.event_handled=false;
  43                 }
  44                 #endregion      // Public Constructors
  45
  46                 #region Public Instance Properties
  47                 public virtual bool Alt {
  48                         get {
  49                                 if ((this.key_data & Keys.Alt)==0) {
  50                                         return false;
  51                                 } else {
  52                                         return true;
  53                                 }
  54                         }
  55                 }
  56
  57                 public bool Control {
  58                         get {
  59                                 if ((this.key_data & Keys.Control)==0) {
  60                                         return false;
  61                                 } else {
  62                                         return true;
  63                                 }
  64                         }
  65                 }
  66
  67                 public bool Handled {
  68                         get {
  69                                 return this.event_handled;
  70                         }
  71
  72                         set {
  73                                 this.event_handled=value;
  74                         }
  75                 }
  76
  77                 public Keys KeyCode {
  78                         get {
  79                                 return (this.key_data & Keys.KeyCode);
  80                         }
  81                 }
  82
  83                 public Keys KeyData {
  84                         get {
  85                                 return this.key_data;
  86                         }
  87                 }
  88
  89                 public int KeyValue {
  90                         get {
  91                                 return Convert.ToInt32(this.key_data);
  92                         }
  93                 }
  94
  95                 public Keys Modifiers {
  96                         get {
  97                                 return (this.key_data & Keys.Modifiers);
  98                         }
  99                 }
 100
 101                 public virtual bool Shift {
 102                         get {
 103                                 if ((this.key_data & Keys.Shift)==0) {
 104                                         return false;
 105                                 } else {
 106                                         return true;
 107                                 }
 108                         }
 109                 }
 110
 111                 public bool SuppressKeyPress {
 112                         get {
 113                                 return supress_key_press;
 114                         }
 115                         set {
 116                                 supress_key_press = value;
 117                                 event_handled = value;
 118                         }
 119                 }
 120                 #endregion      // Public Instance Properties
 121         }
 122 }