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:
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
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.
20 // Copyright (c) 2004 Novell, Inc.
23 // Ravindra rkumar@novell.com
28 // $Log: ImageIndexConverter.cs,v $
29 // Revision 1.1 2004/08/27 22:07:37 ravindra
36 using System.ComponentModel;
37 using System.Collections;
38 using System.Diagnostics;
39 using System.Globalization;
40 using System.Runtime.InteropServices;
42 namespace System.Windows.Forms
44 public class ImageIndexConverter : Int32Converter
48 public ImageIndexConverter () { }
50 #endregion Constructors
52 #region Protected Properties
54 protected virtual bool IncludeNoneAsStandardValue {
58 #endregion Protected Properties
60 #region Public Methods
62 public override object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
65 if (value != null && value is string) {
66 indexStr = (string) value;
67 return Int32.Parse (indexStr);
70 return base.ConvertFrom (context, culture, value);
73 public override object ConvertTo (ITypeDescriptorContext context, CultureInfo culture,
74 object value, Type destinationType)
76 if (value != null && destinationType == typeof (string)) {
77 if (value is int && (int) value == -1)
80 return value.ToString ();
83 return base.ConvertTo (context, culture, value, destinationType);
86 public override StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
88 int [] stdVal = new int [] {-1};
89 return new TypeConverter.StandardValuesCollection (stdVal);
92 public override bool GetStandardValuesExclusive (ITypeDescriptorContext context)
97 public override bool GetStandardValuesSupported (ITypeDescriptorContext context)
102 #endregion Public Methods