GeometryConverter.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 / Generated / GeometryConverter.cs / 1 / GeometryConverter.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// This file was generated, please do not edit it directly. 
// 
// Please see [....]/default.aspx/Microsoft.Projects.Avalon/MilCodeGen.html for more information.
// 
//---------------------------------------------------------------------------

using MS.Internal;
using MS.Internal.KnownBoxes; 
using MS.Internal.Collections;
using MS.Internal.PresentationCore; 
using MS.Utility; 
using System;
using System.Collections; 
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization; 
using System.Reflection;
using System.Runtime.InteropServices; 
using System.ComponentModel.Design.Serialization; 
using System.Text;
using System.Windows; 
using System.Windows.Media;
using System.Windows.Media.Effects;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation; 
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging; 
using System.Windows.Markup; 
using System.Windows.Media.Converters;
using System.Security; 
using System.Security.Permissions;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
#pragma warning disable 1634, 1691  // suppressing PreSharp warnings 

namespace System.Windows.Media 
{ 
    /// 
    /// GeometryConverter - Converter class for converting instances of other types to and from Geometry instances 
    /// 
    public sealed class GeometryConverter : TypeConverter
    {
        ///  
        /// Returns true if this type converter can convert from a given type.
        ///  
        ///  
        /// bool - True if this converter can convert from the provided type, false if not.
        ///  
        ///  The ITypeDescriptorContext for this call. 
        ///  The Type being queried for support. 
        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
        { 
            if (sourceType == typeof(string))
            { 
                return true; 
            }
 
            return base.CanConvertFrom(context, sourceType);
        }

        ///  
        /// Returns true if this type converter can convert to the given type.
        ///  
        ///  
        /// bool - True if this converter can convert to the provided type, false if not.
        ///  
        ///  The ITypeDescriptorContext for this call. 
        ///  The Type being queried for support. 
        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
        { 
            if (destinationType == typeof(string))
            { 
 
                // When invoked by the serialization engine we can convert to string only for some instances
                if (context != null && context.Instance != null) 
                {
                    if (!(context.Instance is Geometry))
                    {
                        throw new ArgumentException(SR.Get(SRID.General_Expected_Type, "Geometry"), "context.Instance"); 
                    }
 
                    Geometry value = (Geometry)context.Instance; 

                    #pragma warning suppress 6506 // value is obviously not null 
                    return value.CanSerializeToString();
                }

                return true; 
            }
 
            return base.CanConvertTo(context, destinationType); 
        }
 
        /// 
        /// Attempts to convert to a Geometry from the given object.
        /// 
        ///  
        /// The Geometry which was constructed.
        ///  
        ///  
        /// A NotSupportedException is thrown if the example object is null or is not a valid type
        /// which can be converted to a Geometry. 
        /// 
        ///  The ITypeDescriptorContext for this call. 
        ///  The requested CultureInfo.  Note that conversion uses "en-US" rather than this parameter. 
        ///  The object to convert to an instance of Geometry.  
        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
        { 
            if (value == null) 
            {
                throw GetConvertFromException(value); 
            }

            String source = value as string;
 
            if (source != null)
            { 
                return Geometry.Parse(source); 
            }
 
            return base.ConvertFrom(context, culture, value);
        }

        ///  
        /// ConvertTo - Attempt to convert an instance of Geometry to the given type
        ///  
        ///  
        /// The object which was constructoed.
        ///  
        /// 
        /// A NotSupportedException is thrown if "value" is null or not an instance of Geometry,
        /// or if the destinationType isn't one of the valid destination types.
        ///  
        ///  The ITypeDescriptorContext for this call. 
        ///  The CultureInfo which is respected when converting.  
        ///  The object to convert to an instance of "destinationType".  
        ///  The type to which this will convert the Geometry instance. 
        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) 
        {
            if (destinationType != null && value is Geometry)
            {
                Geometry instance = (Geometry)value; 

                if (destinationType == typeof(string)) 
                { 

                    // When invoked by the serialization engine we can convert to string only for some instances 
                    if (context != null && context.Instance != null)
                    {
                        #pragma warning suppress 6506 // instance is obviously not null
                        if (!instance.CanSerializeToString()) 
                        {
                            throw new NotSupportedException(SR.Get(SRID.Converter_ConvertToNotSupported)); 
                        } 
                    }
 
                    // Delegate to the formatting/culture-aware ConvertToString method.

                    #pragma warning suppress 6506 // instance is obviously not null
                    return instance.ConvertToString(null, culture); 
                }
            } 
 
            // Pass unhandled cases to base class (which will throw exceptions for null value or destinationType.)
            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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