2005-04-12 Dick Porter <dick@ximian.com>
[mono.git] / mcs / class / Managed.Windows.Forms / System.Windows.Forms / LinkArea.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 //
24 //      Dennis Hayes, dennish@raytek.com
25 //      Andreas Nahr, ClassDevelopment@A-SoftTech.com
26 //      Jordi Mas i Hernandez, jordi@ximian.com
27 //
28
29
30 // COMPLETE
31
32 using System.ComponentModel;
33
34 namespace System.Windows.Forms
35 {
36         [Serializable]  
37         public struct LinkArea
38         {
39                 private int start;
40                 private int length;
41         
42                 public LinkArea (int start, int length)
43                 {
44                         this.start = start;
45                         this.length = length;
46                 }
47                 
48                 #region Public Properties
49                 
50                 public int Start {
51                         get { return start; }
52                         set { start = value; }
53                 }
54
55                 public int Length {
56                         get { return length; }
57                         set { length = value; }
58                 }                               
59                 
60                 [Browsable (false)]
61                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
62                 public bool IsEmpty {
63                         get {
64                                 if (start == 0 && length == 0)
65                                         return true;
66                                 else
67                                         return false;                   
68                                 
69                         }
70                 }
71                 
72                 #endregion //Public Properties
73                 
74                 #region Methods
75
76                 public override bool Equals (object o)
77                 {
78                         if (!(o is LinkArea)) 
79                                 return false;                   
80
81                         LinkArea comp = (LinkArea) o;
82                         return (comp.Start == start && comp.Length == length);
83                 }
84
85                 public override int GetHashCode ()
86                 {
87                         return start << 4 | length;
88                 }
89                 
90                 #endregion //Methods
91                 
92         }
93 }