MaterialCollection.cs source code in C# .NET

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/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media3D / Generated / MaterialCollection.cs / 2 / MaterialCollection.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.Collections; 
using MS.Internal.PresentationCore;
using MS.Utility; 
using System; 
using System.Collections;
using System.Collections.Generic; 
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Diagnostics;
using System.Globalization; 
using System.Reflection;
using System.Runtime.InteropServices; 
using System.Text; 
using System.Windows.Markup;
using System.Windows.Media.Media3D.Converters; 
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition;
using System.Security; 
using System.Security.Permissions;
using SR=MS.Internal.PresentationCore.SR; 
using SRID=MS.Internal.PresentationCore.SRID; 
using System.Windows.Media.Imaging;
// These types are aliased to match the unamanaged names used in interop 
using BOOL = System.UInt32;
using WORD = System.UInt16;
using Float = System.Single;
 
namespace System.Windows.Media.Media3D
{ 
    ///  
    /// A collection of Material objects.
    ///  


    public sealed partial class MaterialCollection : Animatable, IList, IList
    { 
        #region Constructors
 
        //----------------------------------------------------- 
        //
        //  Constructors 
        //
        //-----------------------------------------------------

 
        /// 
        /// Initializes a new instance that is empty. 
        ///  
        public MaterialCollection()
        { 
            _collection = new FrugalStructList();
        }

        ///  
        /// Initializes a new instance that is empty and has the specified initial capacity.
        ///  
        ///  int - The number of elements that the new list is initially capable of storing.  
        public MaterialCollection(int capacity)
        { 
            _collection = new FrugalStructList(capacity);
        }

        ///  
        /// Creates a MaterialCollection with all of the same elements as collection
        ///  
        public MaterialCollection(IEnumerable collection) 
        {
            // The WritePreamble and WritePostscript aren't technically necessary 
            // in the constructor as of 1/20/05 but they are put here in case
            // their behavior changes at a later date

            WritePreamble(); 

            if (collection != null) 
            { 
                bool needsItemValidation = true;
                ICollection icollectionOfT = collection as ICollection; 

                if (icollectionOfT != null)
                {
                    _collection = new FrugalStructList(icollectionOfT); 
                }
                else 
                { 
                    ICollection icollection = collection as ICollection;
 
                    if (icollection != null) // an IC but not and IC
                    {
                        _collection = new FrugalStructList(icollection);
                    } 
                    else // not a IC or IC so fall back to the slower Add
                    { 
                        _collection = new FrugalStructList(); 

                        foreach (Material item in collection) 
                        {
                            if (item == null)
                            {
                                throw new System.ArgumentException(SR.Get(SRID.Collection_NoNull)); 
                            }
                            Material newValue = item; 
                            OnFreezablePropertyChanged(/* oldValue = */ null, newValue); 
                            _collection.Add(newValue);
                            OnInsert(newValue); 
                        }

                        needsItemValidation = false;
                    } 
                }
 
                if (needsItemValidation) 
                {
                    foreach (Material item in collection) 
                    {
                        if (item == null)
                        {
                            throw new System.ArgumentException(SR.Get(SRID.Collection_NoNull)); 
                        }
                        OnFreezablePropertyChanged(/* oldValue = */ null, item); 
                        OnInsert(item); 
                    }
                } 


                WritePostscript();
            } 
            else
            { 
                throw new ArgumentNullException("collection"); 
            }
        } 

        #endregion Constructors

        //------------------------------------------------------ 
        //
        //  Public Methods 
        // 
        //-----------------------------------------------------
 
        #region Public Methods

        /// 
        ///     Shadows inherited Clone() with a strongly typed 
        ///     version for convenience.
        ///  
        public new MaterialCollection Clone() 
        {
            return (MaterialCollection)base.Clone(); 
        }

        /// 
        ///     Shadows inherited CloneCurrentValue() with a strongly typed 
        ///     version for convenience.
        ///  
        public new MaterialCollection CloneCurrentValue() 
        {
            return (MaterialCollection)base.CloneCurrentValue(); 
        }


 

        #endregion Public Methods 
 
        //------------------------------------------------------
        // 
        //  Public Properties
        //
        //------------------------------------------------------
 

        #region IList 
 
        /// 
        ///     Adds "value" to the list 
        /// 
        public void Add(Material value)
        {
            AddHelper(value); 
        }
 
        ///  
        ///     Removes all elements from the list
        ///  
        public void Clear()
        {
            WritePreamble();
 
            // As part of Clear()'ing the collection, we will iterate it and call
            // OnFreezablePropertyChanged and OnRemove for each item. 
            // However, OnRemove assumes that the item to be removed has already been 
            // pulled from the underlying collection.  To statisfy this condition,
            // we store the old collection and clear _collection before we call these methods. 
            // As Clear() semantics do not include TrimToFit behavior, we create the new
            // collection storage at the same size as the previous.  This is to provide
            // as close as possible the same perf characteristics as less complicated collections.
            FrugalStructList oldCollection = _collection; 
            _collection = new FrugalStructList(_collection.Capacity);
 
            for (int i = oldCollection.Count - 1; i >= 0; i--) 
            {
                OnFreezablePropertyChanged(/* oldValue = */ oldCollection[i], /* newValue = */ null); 

                // Fire the OnRemove handlers for each item.  We're not ensuring that
                // all OnRemove's get called if a resumable exception is thrown.
                // At this time, these call-outs are not public, so we do not handle exceptions. 
                OnRemove( /* oldValue */ oldCollection[i]);
            } 
 
            ++_version;
            WritePostscript(); 
        }

        /// 
        ///     Determines if the list contains "value" 
        /// 
        public bool Contains(Material value) 
        { 
            ReadPreamble();
 
            return _collection.Contains(value);
        }

        ///  
        ///     Returns the index of "value" in the list
        ///  
        public int IndexOf(Material value) 
        {
            ReadPreamble(); 

            return _collection.IndexOf(value);
        }
 
        /// 
        ///     Inserts "value" into the list at the specified position 
        ///  
        public void Insert(int index, Material value)
        { 
            if (value == null)
            {
                throw new System.ArgumentException(SR.Get(SRID.Collection_NoNull));
            } 

            WritePreamble(); 
 
            OnFreezablePropertyChanged(/* oldValue = */ null, /* newValue = */ value);
 
            _collection.Insert(index, value);
            OnInsert(value);

 
            ++_version;
            WritePostscript(); 
        } 

        ///  
        ///     Removes "value" from the list
        /// 
        public bool Remove(Material value)
        { 
            WritePreamble();
 
            // By design collections "succeed silently" if you attempt to remove an item 
            // not in the collection.  Therefore we need to first verify the old value exists
            // before calling OnFreezablePropertyChanged.  Since we already need to locate 
            // the item in the collection we keep the index and use RemoveAt(...) to do
            // the work.  (Windows OS #1016178)

            // We use the public IndexOf to guard our UIContext since OnFreezablePropertyChanged 
            // is only called conditionally.  IList.IndexOf returns -1 if the value is not found.
            int index = IndexOf(value); 
 
            if (index >= 0)
            { 
                Material oldValue = _collection[index];

                OnFreezablePropertyChanged(oldValue, null);
 
                _collection.RemoveAt(index);
 
                OnRemove(oldValue); 

 
                ++_version;
                WritePostscript();

                return true; 
            }
 
            // Collection_Remove returns true, calls WritePostscript, 
            // increments version, and does UpdateResource if it succeeds
 
            return false;
        }

        ///  
        ///     Removes the element at the specified index
        ///  
        public void RemoveAt(int index) 
        {
            RemoveAtWithoutFiringPublicEvents(index); 

            // RemoveAtWithoutFiringPublicEvents incremented the version

            WritePostscript(); 
        }
 
 
        /// 
        ///     Removes the element at the specified index without firing 
        ///     the public Changed event.
        ///     The caller - typically a public method - is responsible for calling
        ///     WritePostscript if appropriate.
        ///  
        internal void RemoveAtWithoutFiringPublicEvents(int index)
        { 
            WritePreamble(); 

            Material oldValue = _collection[ index ]; 

            OnFreezablePropertyChanged(oldValue, null);

            _collection.RemoveAt(index); 

            OnRemove(oldValue); 
 

            ++_version; 

            // No WritePostScript to avoid firing the Changed event.
        }
 

        ///  
        ///     Indexer for the collection 
        /// 
        public Material this[int index] 
        {
            get
            {
                ReadPreamble(); 

                return _collection[index]; 
            } 
            set
            { 
                if (value == null)
                {
                    throw new System.ArgumentException(SR.Get(SRID.Collection_NoNull));
                } 

                WritePreamble(); 
 
                if (!Object.ReferenceEquals(_collection[ index ], value))
                { 

                    Material oldValue = _collection[ index ];
                    OnFreezablePropertyChanged(oldValue, value);
 
                    _collection[ index ] = value;
 
                    OnSet(oldValue, value); 
                }
 

                ++_version;
                WritePostscript();
            } 
        }
 
        #endregion 

        #region ICollection 

        /// 
        ///     The number of elements contained in the collection.
        ///  
        public int Count
        { 
            get 
            {
                ReadPreamble(); 

                return _collection.Count;
            }
        } 

        ///  
        ///     Copies the elements of the collection into "array" starting at "index" 
        /// 
        public void CopyTo(Material[] array, int index) 
        {
            ReadPreamble();

            if (array == null) 
            {
                throw new ArgumentNullException("array"); 
            } 

            // This will not throw in the case that we are copying 
            // from an empty collection.  This is consistent with the
            // BCL Collection implementations. (Windows 1587365)
            if (index < 0  || (index + _collection.Count) > array.Length)
            { 
                throw new ArgumentOutOfRangeException("index");
            } 
 
            _collection.CopyTo(array, index);
        } 

        bool ICollection.IsReadOnly
        {
            get 
            {
                ReadPreamble(); 
 
                return IsFrozen;
            } 
        }

        #endregion
 
        #region IEnumerable
 
        ///  
        /// Returns an enumerator for the collection
        ///  
        public Enumerator GetEnumerator()
        {
            ReadPreamble();
 
            return new Enumerator(this);
        } 
 
        IEnumerator IEnumerable.GetEnumerator()
        { 
            return this.GetEnumerator();
        }

        #endregion 

        #region IList 
 
        bool IList.IsReadOnly
        { 
            get
            {
                return ((ICollection)this).IsReadOnly;
            } 
        }
 
        bool IList.IsFixedSize 
        {
            get 
            {
                ReadPreamble();

                return IsFrozen; 
            }
        } 
 
        object IList.this[int index]
        { 
            get
            {
                return this[index];
            } 
            set
            { 
                // Forwards to typed implementation 
                this[index] = Cast(value);
            } 
        }

        int IList.Add(object value)
        { 
            // Forward to typed helper
            return AddHelper(Cast(value)); 
        } 

        bool IList.Contains(object value) 
        {
            return Contains(value as Material);
        }
 
        int IList.IndexOf(object value)
        { 
            return IndexOf(value as Material); 
        }
 
        void IList.Insert(int index, object value)
        {
            // Forward to IList Insert
            Insert(index, Cast(value)); 
        }
 
        void IList.Remove(object value) 
        {
            Remove(value as Material); 
        }

        #endregion
 
        #region ICollection
 
        void ICollection.CopyTo(Array array, int index) 
        {
            ReadPreamble(); 

            if (array == null)
            {
                throw new ArgumentNullException("array"); 
            }
 
            // This will not throw in the case that we are copying 
            // from an empty collection.  This is consistent with the
            // BCL Collection implementations. (Windows 1587365) 
            if (index < 0  || (index + _collection.Count) > array.Length)
            {
                throw new ArgumentOutOfRangeException("index");
            } 

            if (array.Rank != 1) 
            { 
                throw new ArgumentException(SR.Get(SRID.Collection_BadRank));
            } 

            // Elsewhere in the collection we throw an AE when the type is
            // bad so we do it here as well to be consistent
            try 
            {
                int count = _collection.Count; 
                for (int i = 0; i < count; i++) 
                {
                    array.SetValue(_collection[i], index + i); 
                }
            }
            catch (InvalidCastException e)
            { 
                throw new ArgumentException(SR.Get(SRID.Collection_BadDestArray, this.GetType().Name), e);
            } 
        } 

        bool ICollection.IsSynchronized 
        {
            get
            {
                ReadPreamble(); 

                return IsFrozen || Dispatcher != null; 
            } 
        }
 
        object ICollection.SyncRoot
        {
            get
            { 
                ReadPreamble();
                return this; 
            } 
        }
        #endregion 

        #region IEnumerable

        IEnumerator IEnumerable.GetEnumerator() 
        {
            return this.GetEnumerator(); 
        } 

        #endregion 

        #region Internal Helpers

        ///  
        /// A frozen empty MaterialCollection.
        ///  
        internal static MaterialCollection Empty 
        {
            get 
            {
                if (s_empty == null)
                {
                    MaterialCollection collection = new MaterialCollection(); 
                    collection.Freeze();
                    s_empty = collection; 
                } 

                return s_empty; 
            }
        }

        ///  
        /// Helper to return read only access.
        ///  
        internal Material Internal_GetItem(int i) 
        {
            return _collection[i]; 
        }

        /// 
        ///     Freezable collections need to notify their contained Freezables 
        ///     about the change in the InheritanceContext
        ///  
        internal override void OnInheritanceContextChangedCore(EventArgs args) 
        {
            base.OnInheritanceContextChangedCore(args); 

            for (int i=0; i.Add does not. This 
        // is called by both Adds and IList's just ignores the
        // integer 
        private int AddHelper(Material value) 
        {
            int index = AddWithoutFiringPublicEvents(value); 

            // AddAtWithoutFiringPublicEvents incremented the version

            WritePostscript(); 

            return index; 
        } 

        internal int AddWithoutFiringPublicEvents(Material value) 
        {
            int index = -1;

            if (value == null) 
            {
                throw new System.ArgumentException(SR.Get(SRID.Collection_NoNull)); 
            } 
            WritePreamble();
            Material newValue = value; 
            OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
            index = _collection.Add(newValue);
            OnInsert(newValue);
 

            ++_version; 
 
            // No WritePostScript to avoid firing the Changed event.
 
            return index;
        }

        internal event ItemInsertedHandler ItemInserted; 
        internal event ItemRemovedHandler ItemRemoved;
 
        private void OnInsert(object item) 
        {
            if (ItemInserted != null) 
            {
                ItemInserted(this, item);
            }
        } 

        private void OnRemove(object oldValue) 
        { 
            if (ItemRemoved != null)
            { 
                ItemRemoved(this, oldValue);
            }
        }
 
        private void OnSet(object oldValue, object newValue)
        { 
            OnInsert(newValue); 
            OnRemove(oldValue);
        } 

        #endregion Private Helpers

        private static MaterialCollection s_empty; 

 
        #region Public Properties 

 

        #endregion Public Properties

        //----------------------------------------------------- 
        //
        //  Protected Methods 
        // 
        //------------------------------------------------------
 
        #region Protected Methods

        /// 
        /// Implementation of Freezable.CreateInstanceCore. 
        /// 
        /// The new Freezable. 
        protected override Freezable CreateInstanceCore() 
        {
            return new MaterialCollection(); 
        }
        /// 
        /// Implementation of Freezable.CloneCore()
        ///  
        protected override void CloneCore(Freezable source)
        { 
            MaterialCollection sourceMaterialCollection = (MaterialCollection) source; 

            base.CloneCore(source); 

            int count = sourceMaterialCollection._collection.Count;

            _collection = new FrugalStructList(count); 

            for (int i = 0; i < count; i++) 
            { 
                Material newValue = (Material) sourceMaterialCollection._collection[i].Clone();
                OnFreezablePropertyChanged(/* oldValue = */ null, newValue); 
                _collection.Add(newValue);
                OnInsert(newValue);
            }
 
        }
        ///  
        /// Implementation of Freezable.CloneCurrentValueCore() 
        /// 
        protected override void CloneCurrentValueCore(Freezable source) 
        {
            MaterialCollection sourceMaterialCollection = (MaterialCollection) source;

            base.CloneCurrentValueCore(source); 

            int count = sourceMaterialCollection._collection.Count; 
 
            _collection = new FrugalStructList(count);
 
            for (int i = 0; i < count; i++)
            {
                Material newValue = (Material) sourceMaterialCollection._collection[i].CloneCurrentValue();
                OnFreezablePropertyChanged(/* oldValue = */ null, newValue); 
                _collection.Add(newValue);
                OnInsert(newValue); 
            } 

        } 
        /// 
        /// Implementation of Freezable.GetAsFrozenCore()
        /// 
        protected override void GetAsFrozenCore(Freezable source) 
        {
            MaterialCollection sourceMaterialCollection = (MaterialCollection) source; 
 
            base.GetAsFrozenCore(source);
 
            int count = sourceMaterialCollection._collection.Count;

            _collection = new FrugalStructList(count);
 
            for (int i = 0; i < count; i++)
            { 
                Material newValue = (Material) sourceMaterialCollection._collection[i].GetAsFrozen(); 
                OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
                _collection.Add(newValue); 
                OnInsert(newValue);
            }

        } 
        /// 
        /// Implementation of Freezable.GetCurrentValueAsFrozenCore() 
        ///  
        protected override void GetCurrentValueAsFrozenCore(Freezable source)
        { 
            MaterialCollection sourceMaterialCollection = (MaterialCollection) source;

            base.GetCurrentValueAsFrozenCore(source);
 
            int count = sourceMaterialCollection._collection.Count;
 
            _collection = new FrugalStructList(count); 

            for (int i = 0; i < count; i++) 
            {
                Material newValue = (Material) sourceMaterialCollection._collection[i].GetCurrentValueAsFrozen();
                OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
                _collection.Add(newValue); 
                OnInsert(newValue);
            } 
 
        }
        ///  
        /// Implementation of Freezable.FreezeCore.
        /// 
        protected override bool FreezeCore(bool isChecking)
        { 
            bool canFreeze = base.FreezeCore(isChecking);
 
            int count = _collection.Count; 
            for (int i = 0; i < count && canFreeze; i++)
            { 
                canFreeze &= Freezable.Freeze(_collection[i], isChecking);
            }

            return canFreeze; 
        }
 
        #endregion ProtectedMethods 

        //----------------------------------------------------- 
        //
        //  Internal Methods
        //
        //----------------------------------------------------- 

        #region Internal Methods 
 

 



 

 
        #endregion Internal Methods 

        //----------------------------------------------------- 
        //
        //  Internal Properties
        //
        //------------------------------------------------------ 

        #region Internal Properties 
 

 


        #endregion Internal Properties
 
        //-----------------------------------------------------
        // 
        //  Dependency Properties 
        //
        //------------------------------------------------------ 

        #region Dependency Properties

 

        #endregion Dependency Properties 
 
        //------------------------------------------------------
        // 
        //  Internal Fields
        //
        //-----------------------------------------------------
 
        #region Internal Fields
 
 

 
        internal FrugalStructList _collection;
        internal uint _version = 0;

 
        #endregion Internal Fields
 
        #region Enumerator 
        /// 
        /// Enumerates the items in a MaterialCollection 
        /// 
        public struct Enumerator : IEnumerator, IEnumerator
        {
            #region Constructor 

            internal Enumerator(MaterialCollection list) 
            { 
                Debug.Assert(list != null, "list may not be null.");
 
                _list = list;
                _version = list._version;
                _index = -1;
                _current = default(Material); 
            }
 
            #endregion 

            #region Methods 

            void IDisposable.Dispose()
            {
 
            }
 
            ///  
            /// Advances the enumerator to the next element of the collection.
            ///  
            /// 
            /// true if the enumerator was successfully advanced to the next element,
            /// false if the enumerator has passed the end of the collection.
            ///  
            public bool MoveNext()
            { 
                _list.ReadPreamble(); 

                if (_version == _list._version) 
                {
                    if (_index > -2 && _index < _list._collection.Count - 1)
                    {
                        _current = _list._collection[++_index]; 
                        return true;
                    } 
                    else 
                    {
                        _index = -2; // -2 indicates "past the end" 
                        return false;
                    }
                }
                else 
                {
                    throw new InvalidOperationException(SR.Get(SRID.Enumerator_CollectionChanged)); 
                } 
            }
 
            /// 
            /// Sets the enumerator to its initial position, which is before the
            /// first element in the collection.
            ///  
            public void Reset()
            { 
                _list.ReadPreamble(); 

                if (_version == _list._version) 
                {
                    _index = -1;
                }
                else 
                {
                    throw new InvalidOperationException(SR.Get(SRID.Enumerator_CollectionChanged)); 
                } 
            }
 
            #endregion

            #region Properties
 
            object IEnumerator.Current
            { 
                get 
                {
                    return this.Current; 
                }
            }

            ///  
            /// Current element
            /// 
            /// The behavior of IEnumerable<T>.Current is undefined 
            /// before the first MoveNext and after we have walked
            /// off the end of the list. However, the IEnumerable.Current 
            /// contract requires that we throw exceptions
            /// 
            public Material Current
            { 
                get
                { 
                    if (_index > -1) 
                    {
                        return _current; 
                    }
                    else if (_index == -1)
                    {
                        throw new InvalidOperationException(SR.Get(SRID.Enumerator_NotStarted)); 
                    }
                    else 
                    { 
                        Debug.Assert(_index == -2, "expected -2, got " + _index + "\n");
                        throw new InvalidOperationException(SR.Get(SRID.Enumerator_ReachedEnd)); 
                    }
                }
            }
 
            #endregion
 
            #region Data 
            private Material _current;
            private MaterialCollection _list; 
            private uint _version;
            private int _index;
            #endregion
        } 
        #endregion
    } 
} 

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

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