WpfKnownMember.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Markup / Baml2006 / WpfKnownMember.cs / 1305600 / WpfKnownMember.cs
                        
                        
                            using System; 
using System.Collections.Generic;
using System.Reflection;
using System.Xaml;
using System.Xaml.Schema; 
using System.ComponentModel;
 
namespace System.Windows.Baml2006 
{
    // XamlMember for Known BAML Members. 
    //
    class WpfKnownMember : WpfXamlMember
    {
        [Flags] 
        private enum BoolMemberBits
        { 
            Frozen                      = 0x0001, 
            HasSpecialTypeConverter     = 0x0002,
            ReadOnly                    = 0x0004, 
            Ambient                     = 0x0008,
            ReadPrivate                 = 0x0010,
            WritePrivate                = 0x0020
        } 

        Action _setDelegate; 
        Func _getDelegate; 
        Type _deferringLoader;
        Type _typeConverterType; 
        Type _type;
        byte _bitField;

        bool Frozen 
        {
            get { return WpfXamlType.GetFlag(ref _bitField, (byte)BoolMemberBits.Frozen); } 
            set { WpfXamlType.SetFlag(ref _bitField, (byte)BoolMemberBits.Frozen, value); } 
        }
        bool ReadOnly 
        {
            get { return WpfXamlType.GetFlag(ref _bitField, (byte)BoolMemberBits.ReadOnly); }
            set { CheckFrozen(); WpfXamlType.SetFlag(ref _bitField, (byte)BoolMemberBits.ReadOnly, value); }
        } 

        public bool HasSpecialTypeConverter 
        { 
            get { return WpfXamlType.GetFlag(ref _bitField, (byte)BoolMemberBits.HasSpecialTypeConverter); }
            set { CheckFrozen(); WpfXamlType.SetFlag(ref _bitField, (byte)BoolMemberBits.HasSpecialTypeConverter, value); } 
        }
        public bool Ambient
        {
            get { return WpfXamlType.GetFlag(ref _bitField, (byte)BoolMemberBits.Ambient); } 
            set { CheckFrozen(); WpfXamlType.SetFlag(ref _bitField, (byte)BoolMemberBits.Ambient, value); }
        } 
        public bool IsReadPrivate 
        {
            get { return WpfXamlType.GetFlag(ref _bitField, (byte)BoolMemberBits.ReadPrivate); } 
            set { CheckFrozen(); WpfXamlType.SetFlag(ref _bitField, (byte)BoolMemberBits.ReadPrivate, value); }
        }
        public bool IsWritePrivate
        { 
            get { return WpfXamlType.GetFlag(ref _bitField, (byte)BoolMemberBits.WritePrivate); }
            set { CheckFrozen(); WpfXamlType.SetFlag(ref _bitField, (byte)BoolMemberBits.WritePrivate, value); } 
        } 

        public WpfKnownMember(XamlSchemaContext schema, 
            XamlType declaringType,
            string name,
            DependencyProperty dProperty,
            bool isReadOnly, 
            bool isAttachable)
            : base(dProperty, isAttachable) 
        { 
            DependencyProperty = dProperty;
            ReadOnly = isReadOnly; 
        }

        public WpfKnownMember(XamlSchemaContext schema,
            XamlType declaringType, 
            string name,
            Type type, 
            bool isReadOnly, 
            bool isAttachable)
            : base(name, declaringType, isAttachable) 
        {
            _type = type;
            ReadOnly = isReadOnly;
        } 

        protected override bool LookupIsUnknown() 
        { 
            return false;
        } 

        public void Freeze()
        {
            Frozen = true; 
        }
 
        private void CheckFrozen() 
        {
            if (Frozen) 
            {
                throw new InvalidOperationException("Can't Assign to Known Member attributes");
            }
        } 

        protected override System.Xaml.Schema.XamlMemberInvoker LookupInvoker() 
        { 
            return new WpfKnownMemberInvoker(this);
        } 

        public Action SetDelegate
        {
            get 
            {
                return _setDelegate; 
            } 
            set
            { 
                CheckFrozen();
                _setDelegate = value;
            }
        } 

        public Func GetDelegate 
        { 
            get
            { 
                return _getDelegate;
            }
            set
            { 
                CheckFrozen();
                _getDelegate = value; 
            } 
        }
 
        public Type TypeConverterType
        {
            get { return _typeConverterType; }
            set 
            {
                CheckFrozen(); 
                _typeConverterType = value; 
            }
        } 

        protected override XamlValueConverter LookupTypeConverter()
        {
            WpfSharedBamlSchemaContext schema = System.Windows.Markup.XamlReader.BamlSharedSchemaContext; 

            if (HasSpecialTypeConverter) 
            { 
                return schema.GetXamlType(_typeConverterType).TypeConverter;
            } 

            if (_typeConverterType != null)
            {
                return schema.GetTypeConverter(_typeConverterType); 
            }
 
            return null; 
        }
 
        public Type DeferringLoaderType
        {
            get { return _deferringLoader; }
            set 
            {
                CheckFrozen(); 
                _deferringLoader = value; 
            }
        } 

        protected override XamlValueConverter LookupDeferringLoader()
        {
            if (_deferringLoader != null) 
            {
                WpfSharedBamlSchemaContext schema = System.Windows.Markup.XamlReader.BamlSharedSchemaContext; 
                return schema.GetDeferringLoader(_deferringLoader); 
            }
            return null; 
        }

        protected override bool LookupIsReadOnly()
        { 
            return ReadOnly;
        } 
 
        protected override XamlType LookupType()
        { 
            if (DependencyProperty != null)
            {
                return System.Windows.Markup.XamlReader.BamlSharedSchemaContext.GetXamlType(DependencyProperty.PropertyType);
            } 
            return System.Windows.Markup.XamlReader.BamlSharedSchemaContext.GetXamlType(_type);
        } 
 
        protected override MemberInfo LookupUnderlyingMember()
        { 
            return base.LookupUnderlyingMember();
        }

        protected override bool LookupIsAmbient() 
        {
            return Ambient; 
        } 

        protected override bool LookupIsWritePublic() 
        {
            return !IsWritePrivate;
        }
 
        protected override bool LookupIsReadPublic()
        { 
            return !IsReadPrivate; 
        }
 
        // None of the known members need the content-property fallback
        protected override WpfXamlMember GetAsContentProperty()
        {
            return this; 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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WpfKnownMember.cs source code in C# .NET

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