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
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   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
  38                 #region Public Constructors
  39                 public KeyEventArgs(Keys keyData) {
  40                         this.key_data=keyData | XplatUI.State.ModifierKeys;
  41                         this.event_handled=false;
  42                 }
  43                 #endregion      // Public Constructors
  44
  45                 #region Public Instance Properties
  46                 public virtual bool Alt {
  47                         get {
  48                                 if ((this.key_data & Keys.Alt)==0) {
  49                                         return false;
  50                                 } else {
  51                                         return true;
  52                                 }
  53                         }
  54                 }
  55
  56                 public bool Control {
  57                         get {
  58                                 if ((this.key_data & Keys.Control)==0) {
  59                                         return false;
  60                                 } else {
  61                                         return true;
  62                                 }
  63                         }
  64                 }
  65
  66                 public bool Handled {
  67                         get {
  68                                 return this.event_handled;
  69                         }
  70
  71                         set {
  72                                 this.event_handled=value;
  73                         }
  74                 }
  75
  76                 public Keys KeyCode {
  77                         get {
  78                                 return (this.key_data & Keys.KeyCode);
  79                         }
  80                 }
  81
  82                 public Keys KeyData {
  83                         get {
  84                                 return this.key_data;
  85                         }
  86                 }
  87
  88                 public int KeyValue {
  89                         get {
  90                                 return Convert.ToInt32(this.key_data);
  91                         }
  92                 }
  93
  94                 public Keys Modifiers {
  95                         get {
  96                                 return (this.key_data & Keys.Modifiers);
  97                         }
  98                 }
  99
 100                 public virtual bool Shift {
 101                         get {
 102                                 if ((this.key_data & Keys.Shift)==0) {
 103                                         return false;
 104                                 } else {
 105                                         return true;
 106                                 }
 107                         }
 108                 }
 109                 #endregion      // Public Instance Properties
 110         }
 111 }