1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
//
// System.ComponentModel.ToolboxItemAttribute
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2002 Ximian, Inc (http://www.ximian.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
namespace System.ComponentModel
{
[AttributeUsage(AttributeTargets.All)]
public class ToolboxItemAttribute : Attribute
{
private const string defaultItemType = "System.Drawing.Design.ToolboxItem, " + Consts.AssemblySystem_Drawing;
public static readonly ToolboxItemAttribute Default = new ToolboxItemAttribute (defaultItemType);
public static readonly ToolboxItemAttribute None = new ToolboxItemAttribute (false);
private Type itemType;
private string itemTypeName;
public ToolboxItemAttribute (bool defaultType)
{
if (defaultType)
itemTypeName = defaultItemType;
}
public ToolboxItemAttribute (string toolboxItemName)
{
itemTypeName = toolboxItemName;
}
public ToolboxItemAttribute (Type toolboxItemType)
{
itemType = toolboxItemType;
}
public Type ToolboxItemType
{
get {
if (itemType == null && itemTypeName != null)
try {
itemType = Type.GetType (itemTypeName, true);
} catch (Exception ex) {
throw new ArgumentException ("Failed to create ToolboxItem of type: "
+ itemTypeName, ex);
}
return itemType;
}
}
public string ToolboxItemTypeName
{
get {
if (itemTypeName == null) {
if (itemType == null)
return string.Empty;
itemTypeName = itemType.AssemblyQualifiedName;
}
return itemTypeName;
}
}
public override bool Equals (object o)
{
ToolboxItemAttribute item = o as ToolboxItemAttribute;
if (item == null)
return false;
return (item.ToolboxItemTypeName == ToolboxItemTypeName);
}
public override int GetHashCode ()
{
if (itemTypeName != null) {
return itemTypeName.GetHashCode ();
}
return base.GetHashCode ();
}
public override bool IsDefaultAttribute ()
{
return Equals (Default);
}
}
}
|
