diff options
Diffstat (limited to 'mcs/class/Managed.Windows.Forms/System.Windows.Forms/ImageIndexConverter.cs')
-rw-r--r-- | mcs/class/Managed.Windows.Forms/System.Windows.Forms/ImageIndexConverter.cs | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ImageIndexConverter.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ImageIndexConverter.cs new file mode 100644 index 00000000000..36b8e6522e1 --- /dev/null +++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ImageIndexConverter.cs @@ -0,0 +1,98 @@ +// 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. +// +// Copyright (c) 2004 Novell, Inc. +// +// Authors: +// Ravindra rkumar@novell.com +// + + +// COMPLETE + +using System.Drawing; +using System.ComponentModel; +using System.Collections; +using System.Diagnostics; +using System.Globalization; +using System.Runtime.InteropServices; + +namespace System.Windows.Forms +{ + public class ImageIndexConverter : Int32Converter + { + #region Constructors + + public ImageIndexConverter () { } + + #endregion Constructors + + #region Protected Properties + + protected virtual bool IncludeNoneAsStandardValue { + get { return true; } + } + + #endregion Protected Properties + + #region Public Methods + + public override object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value) + { + string indexStr; + if (value != null && value is string) { + indexStr = (string) value; + return Int32.Parse (indexStr); + } + else + return base.ConvertFrom (context, culture, value); + } + + public override object ConvertTo (ITypeDescriptorContext context, CultureInfo culture, + object value, Type destinationType) + { + if (value != null && destinationType == typeof (string)) { + if (value is int && (int) value == -1) + return "(none)"; + else + return value.ToString (); + } + else + return base.ConvertTo (context, culture, value, destinationType); + } + + public override StandardValuesCollection GetStandardValues (ITypeDescriptorContext context) + { + int [] stdVal = new int [] {-1}; + return new TypeConverter.StandardValuesCollection (stdVal); + } + + public override bool GetStandardValuesExclusive (ITypeDescriptorContext context) + { + return false; + } + + public override bool GetStandardValuesSupported (ITypeDescriptorContext context) + { + return true; + } + + #endregion Public Methods + } +} |