mcs/class/Managed.Windows.Forms/System.Windows.Forms/SelectionRange.cs

   1 //
   2 // Permission is hereby granted, free of charge, to any person obtaining
   3 // a copy of this software and associated documentation files (the
   4 // "Software"), to deal in the Software without restriction, including
   5 // without limitation the rights to use, copy, modify, merge, publish,
   6 // distribute, sublicense, and/or sell copies of the Software, and to
   7 // permit persons to whom the Software is furnished to do so, subject to
   8 // the following conditions:
   9 //
  10 // The above copyright notice and this permission notice shall be
  11 // included in all copies or substantial portions of the Software.
  12 //
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  14 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  15 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  16 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  17 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  18 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  19 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20 //
  21 // Copyright (c) 2004-2005 Novell, Inc.
  22 //
  23 // Authors:
  24 //      John BouAntoun  jba-mono@optusnet.com.au
  25 //
  26
  27 using System.ComponentModel;
  28
  29 namespace System.Windows.Forms {
  30         [TypeConverter(typeof(SelectionRangeConverter))]
  31         public sealed class SelectionRange {
  32                 #region local members
  33
  34                 DateTime end;
  35                 DateTime start;
  36
  37                 #endregion // local members
  38
  39                 #region public constructors
  40
  41                 // default parameterless construcor, use default values
  42                 public SelectionRange () {
  43                 }
  44
  45                 // constructor that receives another range, copies it's Start and End values
  46                 public SelectionRange (SelectionRange selectionRange) {
  47                         end = selectionRange.End;
  48                         start = selectionRange.Start;
  49                 }
  50
  51                 // constructor that receives two dates, uses the lower of the two as start
  52                 public SelectionRange (DateTime lower, DateTime upper) {
  53                         if (lower <= upper) {
  54                                 end = upper;
  55                                 start = lower;
  56                         } else {
  57                                 end = lower;
  58                                 start = upper;
  59                         }
  60                 }
  61
  62                 #endregion // public constructors
  63
  64                 #region public properties
  65
  66                 // end date of this range
  67                 public DateTime End {
  68                         set {
  69                                 if (end != value) {
  70                                         end = value;
  71                                 }
  72                         }
  73                         get {
  74                                 return end;
  75                         }
  76                 }
  77
  78                 // start date of this range
  79                 public DateTime Start {
  80                         set {
  81                                 if (start != value) {
  82                                         start = value;
  83                                 }
  84                         }
  85                         get {
  86                                 return start;
  87                         }
  88                 }
  89
  90                 #endregion // public properties
  91
  92                 #region public methods
  93
  94                 public override string ToString() {
  95                         return "SelectionRange: Start: " + Start.ToString() + ", End: " + End.ToString();
  96                 }
  97
  98                 #endregion // public methods
  99         }
 100 }