FontFamilyValueSerializer.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / FontFamilyValueSerializer.cs / 1 / FontFamilyValueSerializer.cs
                        

                        
                            //+------------------------------------------------------------------------ 
//
//  Microsoft Windows Client Platform
//  Copyright (C) Microsoft Corporation, 2002
// 
//  File:      FontFamilyValueSerializer.cs
// 
//  Contents:  FontFamilyValueSerializer implementation 
//
//  Created:   6-20-2005 Chuck Jazdzewski (chuckj) 
//
//-----------------------------------------------------------------------

using System.ComponentModel; 
using System.Globalization;
using System.Windows.Markup; 
 
// Allow suppression of presharp warnings
#pragma warning disable 1634, 1691 

namespace System.Windows.Media
{
    ///  
    /// Serializer for a FontFamily
    ///  
    public class FontFamilyValueSerializer: ValueSerializer 
    {
        ///  
        /// Returns true. FontFamilyValueSerializer can always convert from a string.
        /// 
        public override bool CanConvertFromString(string value, IValueSerializerContext context)
        { 
            return true;
        } 
 
        /// 
        /// Creates a FontFamily from a string 
        /// 
        public override object ConvertFromString(string value, IValueSerializerContext context)
        {
            if (string.IsNullOrEmpty(value)) 
            {
                throw GetConvertFromException(value); 
            } 
            return new FontFamily(value);
        } 

        /// 
        /// Returns true if the FontFamily is a named font family.
        ///  
        public override bool CanConvertToString(object value, IValueSerializerContext context)
        { 
            FontFamily fontFamily = value as FontFamily; 

            // Suppress PRESharp warning that fontFamily can be null; apparently PRESharp 
            // doesn't understand short circuit evaluation of operator &&.
#pragma warning suppress 56506
            return fontFamily != null && fontFamily.Source != null && fontFamily.Source.Length != 0;
        } 

        ///  
        /// Converts a font family to a string. 
        /// 
        public override string ConvertToString(object value, IValueSerializerContext context) 
        {
            FontFamily fontFamily = value as FontFamily;
            if (fontFamily == null || fontFamily.Source == null)
                throw GetConvertToException(value, typeof(string)); 
            return fontFamily.Source;
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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