MessageFormatterConverter.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Messaging / System / Messaging / Design / MessageFormatterConverter.cs / 1305376 / MessageFormatterConverter.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

 namespace System.Messaging.Design { 
    using System.Messaging; 
    using System.Threading;
    using System.ComponentModel; 
    using System.ComponentModel.Design.Serialization;
    using System.Reflection;
    using System.Diagnostics;
    using System; 
    using System.Drawing;
    using System.Windows.Forms; 
    using System.Windows.Forms.Design; 
    using System.Windows.Forms.ComponentModel;
    using System.Messaging.Interop; 
    using System.Collections;
    using System.Runtime.Serialization.Formatters;
    using System.Globalization;
 
    /// 
    ///  
    internal class MessageFormatterConverter : ExpandableObjectConverter { 

        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { 
            return (sourceType == typeof(string));
        }

        ///  
        /// 
        ///    Gets a value indicating whether this converter can 
        ///       convert an object to the given destination type using the context. 
        /// 
        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { 
            if (destinationType == typeof(InstanceDescriptor)) {
                return true;
            }
            return base.CanConvertTo(context, destinationType); 
        }
 
        ///  
        /// 
        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { 
            if (value != null && value is string) {
                if (((string)value) == typeof(ActiveXMessageFormatter).Name)
                    return new ActiveXMessageFormatter();
                if (((string)value) == typeof(BinaryMessageFormatter).Name) 
                    return new BinaryMessageFormatter();
                if (((string)value)  == typeof(XmlMessageFormatter).Name) 
                    return new XmlMessageFormatter(); 
            }
 
            return null;
        }

        ///  
        /// 
        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { 
            if (destinationType != null && destinationType == typeof(string)) { 
                if (value == null)
                    return Res.GetString(Res.toStringNone); 

                return value.GetType().Name;
            }
            if (destinationType == typeof(InstanceDescriptor)) { 
                if (value is XmlMessageFormatter) {
                    XmlMessageFormatter f = (XmlMessageFormatter)value; 
                    ConstructorInfo ctor = typeof(XmlMessageFormatter).GetConstructor(new Type[] {typeof(string[])}); 
                    if (ctor != null) {
                        return new InstanceDescriptor(ctor, new object[] {f.TargetTypeNames}); 
                    }
                }
                else if (value is ActiveXMessageFormatter) {
                    ConstructorInfo ctor = typeof(ActiveXMessageFormatter).GetConstructor(new Type[0]); 
                    if (ctor != null) {
                        return new InstanceDescriptor(ctor, new object[0]); 
                    } 
                }
                else if (value is BinaryMessageFormatter) { 
                    BinaryMessageFormatter f = (BinaryMessageFormatter)value;
                    ConstructorInfo ctor = typeof(BinaryMessageFormatter).GetConstructor(new Type[] {
                        typeof(FormatterAssemblyStyle), typeof(FormatterTypeStyle)});
 
                    if (ctor != null) {
                        return new InstanceDescriptor(ctor, new object[] {f.TopObjectFormat, f.TypeFormat}); 
                    } 
                }
            } 

            return base.ConvertTo(context, culture, value, destinationType);
        }
 
        /// 
        ///  
        public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { 
            StandardValuesCollection values = new StandardValuesCollection(new object[] {new ActiveXMessageFormatter(),
                                                                                                           new BinaryMessageFormatter(), 
                                                                                                           new XmlMessageFormatter(),
                                                                                                           null});

            return values; 
        }
 
        public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { 
            return true;
        } 

        /// 
        /// 
        public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { 
            return true;
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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