75 lines
2.5 KiB
C#
75 lines
2.5 KiB
C#
// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
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//
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// Authors:
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// Peter Bartok (pbartok@novell.com)
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//
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//
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// COMPLETE
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.Globalization;
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using System.Text;
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namespace System.Windows.Forms {
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public class OpacityConverter : TypeConverter {
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#region Public Constructors
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public OpacityConverter() {
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}
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#endregion // Public Constructors
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#region Public Instance Methods
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public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) {
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if (sourceType == typeof(string)) {
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return true;
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}
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return false;
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}
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public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value) {
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if (value is string) {
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string s;
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s = (string)value;
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if (s.EndsWith("%")) {
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s = ((string)value).Substring(0, ((string)value).Length - 1);
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}
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return Double.Parse(s, NumberStyles.Any, culture) / 100;
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}
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return base.ConvertFrom (context, culture, value);
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}
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public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType) {
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if (destinationType == typeof(string)) {
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double v;
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v = ((double)value) * 100;
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return v.ToString() + "%";
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}
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return base.ConvertTo (context, culture, value, destinationType);
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}
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#endregion // Public Instance Methods
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}
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}
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