Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Input / InputScopeNameConverter.cs / 1305600 / InputScopeNameConverter.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: class for input scope type-converter // // Please refer to the design specfication http://avalon/Cicero/Specifications/Stylable%20InputScope.mht // // History: // 1/20/2005 : yutakan - created // //--------------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Windows.Input; using System.ComponentModel; using System.Globalization; using System.ComponentModel.Design.Serialization; namespace System.Windows.Input { ////// type-converter which performs type conversions for inputscope /// ///http://avalon/Cicero/Specifications/Stylable%20InputScope.mht public class InputScopeNameConverter : TypeConverter { ////// Returns whether this converter can convert an object of one type to InputScope type /// InputScopeConverter only supports string type to convert from /// /// /// The conversion context. /// /// /// The type to convert from. /// ////// True if conversion is possible, false otherwise. /// public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { // We can only handle string. if (sourceType == typeof(string)) { return true; } return false; } ////// Returns whether this converter can convert the object to the specified type. /// InputScopeConverter only supports string type to convert to /// /// /// The conversion context. /// /// /// The type to convert to. /// ////// True if conversion is possible, false otherwise. /// public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (typeof (string) == destinationType && null != context && null != context.Instance && context.Instance is InputScopeName) { return true; } return false; } ////// Converts the given value to InputScope type /// /// /// The conversion context. /// /// /// The current culture that applies to the conversion. /// /// /// The source object to convert from. /// ////// InputScope object with a specified scope name, otherwise InputScope with Default scope. /// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object source) { string stringSource = source as string; InputScopeNameValue nameValue = InputScopeNameValue.Default; InputScopeName inputScopeName; if (null != stringSource) { stringSource = stringSource.Trim(); if (-1 != stringSource.LastIndexOf('.')) stringSource = stringSource.Substring(stringSource.LastIndexOf('.')+1); if (!stringSource.Equals(String.Empty)) { nameValue = (InputScopeNameValue)Enum.Parse(typeof(InputScopeNameValue), stringSource); } } inputScopeName = new InputScopeName(); inputScopeName.NameValue = nameValue; return inputScopeName; } ////// Converts the given value as InputScope object to the specified type. /// This converter only supports string type as a type to convert to. /// /// /// The conversion context. /// /// /// The current culture that applies to the conversion. /// /// /// The value to convert. /// /// /// The type to convert to. /// ////// A new object of the specified type (string) converted from the given InputScope object. /// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { InputScopeName inputScopeName = value as InputScopeName; if (null != destinationType && null != inputScopeName) { if (destinationType == typeof(string)) { return Enum.GetName(typeof(InputScopeNameValue), inputScopeName.NameValue); } } return base.ConvertTo(context, culture, value, destinationType); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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