diff options
Diffstat (limited to 'mcs/class/Managed.Windows.Forms/System.Windows.Forms/OpacityConverter.cs')
-rw-r--r-- | mcs/class/Managed.Windows.Forms/System.Windows.Forms/OpacityConverter.cs | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/OpacityConverter.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/OpacityConverter.cs new file mode 100644 index 00000000000..b4acde1289c --- /dev/null +++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/OpacityConverter.cs @@ -0,0 +1,74 @@ +// 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) 2005 Novell, Inc. (http://www.novell.com) +// +// Authors: +// Peter Bartok (pbartok@novell.com) +// +// + +// COMPLETE + +using System; +using System.Collections; +using System.ComponentModel; +using System.Globalization; +using System.Text; + +namespace System.Windows.Forms { + public class OpacityConverter : TypeConverter { + #region Public Constructors + public OpacityConverter() { + } + #endregion // Public Constructors + + #region Public Instance Methods + public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { + if (sourceType == typeof(string)) { + return true; + } + return false; + } + + public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value) { + if (value is string) { + string s; + + s = (string)value; + if (s.EndsWith("%")) { + s = ((string)value).Substring(0, ((string)value).Length - 1); + } + return Double.Parse(s, NumberStyles.Any, culture) / 100; + } + return base.ConvertFrom (context, culture, value); + } + + public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType) { + if (destinationType == typeof(string)) { + double v; + + v = ((double)value) * 100; + return v.ToString() + "%"; + } + return base.ConvertTo (context, culture, value, destinationType); + } + #endregion // Public Instance Methods + } +} |