class/System/System.Diagnostics/BooleanSwitch.cs

   1 //
   2 // System.Diagnostics.BooleanSwitch.cs
   3 //
   4 // Author:
   5 //      John R. Hicks (angryjohn69@nc.rr.com)
   6 //      Jonathan Pryor (jonpryor@vt.edu)
   7 //
   8 // (C) 2001-2002
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31 using System.Globalization;
  32
  33 namespace System.Diagnostics
  34 {
  35         /// <summary>
  36         /// Provides a simple on/off switch that controls debugging
  37         /// and tracing output
  38         /// </summary>
  39 #if NET_2_0
  40         [SwitchLevel (typeof (bool))]
  41 #endif
  42         public class BooleanSwitch : Switch
  43         {
  44                 /// <summary>
  45                 /// Initializes a new instance
  46                 /// </summary>
  47                 public BooleanSwitch(string displayName, string description)
  48                         : base(displayName, description)
  49                 {
  50                 }
  51
  52 #if NET_2_0
  53                 /// <summary>
  54                 /// Initializes a new instance
  55                 /// </summary>
  56                 public BooleanSwitch(string displayName, string description, string defaultSwitchValue)
  57                         : base(displayName, description, defaultSwitchValue)
  58                 {
  59                 }
  60 #endif
  61
  62                 /// <summary>
  63                 /// Specifies whether the switch is enabled or disabled
  64                 /// </summary>
  65                 public bool Enabled {
  66                         // On .NET, any non-zero value is true.  Only 0 is false.
  67                         get {return SwitchSetting != 0;}
  68                         set {
  69                                 SwitchSetting = Convert.ToInt32(value);
  70                         }
  71                 }
  72
  73 #if NET_2_0
  74                 protected override void OnValueChanged ()
  75                 {
  76                         int i;
  77                         if (int.TryParse (Value, out i))
  78                                 Enabled = i != 0;
  79                         else
  80                                 Enabled = Convert.ToBoolean (Value);
  81                 }
  82 #endif
  83         }
  84 }
  85