Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / Generated / GeometryCollection.cs / 2 / GeometryCollection.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;
// 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
{
///
/// A collection of Geometry objects.
///
public sealed partial class GeometryCollection : Animatable, IList, IList
{
#region Constructors
//-----------------------------------------------------
//
// Constructors
//
//-----------------------------------------------------
///
/// Initializes a new instance that is empty.
///
public GeometryCollection()
{
_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 GeometryCollection(int capacity)
{
_collection = new FrugalStructList(capacity);
}
///
/// Creates a GeometryCollection with all of the same elements as collection
///
public GeometryCollection(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 (Geometry item in collection)
{
if (item == null)
{
throw new System.ArgumentException(SR.Get(SRID.Collection_NoNull));
}
Geometry newValue = item;
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
OnInsert(newValue);
}
needsItemValidation = false;
}
}
if (needsItemValidation)
{
foreach (Geometry 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 GeometryCollection Clone()
{
return (GeometryCollection)base.Clone();
}
///
/// Shadows inherited CloneCurrentValue() with a strongly typed
/// version for convenience.
///
public new GeometryCollection CloneCurrentValue()
{
return (GeometryCollection)base.CloneCurrentValue();
}
#endregion Public Methods
//------------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
#region IList
///
/// Adds "value" to the list
///
public void Add(Geometry 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(Geometry value)
{
ReadPreamble();
return _collection.Contains(value);
}
///
/// Returns the index of "value" in the list
///
public int IndexOf(Geometry value)
{
ReadPreamble();
return _collection.IndexOf(value);
}
///
/// Inserts "value" into the list at the specified position
///
public void Insert(int index, Geometry 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(Geometry 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)
{
Geometry 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();
Geometry 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 Geometry 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))
{
Geometry 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(Geometry[] 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 Geometry);
}
int IList.IndexOf(object value)
{
return IndexOf(value as Geometry);
}
void IList.Insert(int index, object value)
{
// Forward to IList Insert
Insert(index, Cast(value));
}
void IList.Remove(object value)
{
Remove(value as Geometry);
}
#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 GeometryCollection.
///
internal static GeometryCollection Empty
{
get
{
if (s_empty == null)
{
GeometryCollection collection = new GeometryCollection();
collection.Freeze();
s_empty = collection;
}
return s_empty;
}
}
///
/// Helper to return read only access.
///
internal Geometry 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(Geometry value)
{
int index = AddWithoutFiringPublicEvents(value);
// AddAtWithoutFiringPublicEvents incremented the version
WritePostscript();
return index;
}
internal int AddWithoutFiringPublicEvents(Geometry value)
{
int index = -1;
if (value == null)
{
throw new System.ArgumentException(SR.Get(SRID.Collection_NoNull));
}
WritePreamble();
Geometry 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 GeometryCollection 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 GeometryCollection();
}
///
/// Implementation of Freezable.CloneCore()
///
protected override void CloneCore(Freezable source)
{
GeometryCollection sourceGeometryCollection = (GeometryCollection) source;
base.CloneCore(source);
int count = sourceGeometryCollection._collection.Count;
_collection = new FrugalStructList(count);
for (int i = 0; i < count; i++)
{
Geometry newValue = (Geometry) sourceGeometryCollection._collection[i].Clone();
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
OnInsert(newValue);
}
}
///
/// Implementation of Freezable.CloneCurrentValueCore()
///
protected override void CloneCurrentValueCore(Freezable source)
{
GeometryCollection sourceGeometryCollection = (GeometryCollection) source;
base.CloneCurrentValueCore(source);
int count = sourceGeometryCollection._collection.Count;
_collection = new FrugalStructList(count);
for (int i = 0; i < count; i++)
{
Geometry newValue = (Geometry) sourceGeometryCollection._collection[i].CloneCurrentValue();
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
OnInsert(newValue);
}
}
///
/// Implementation of Freezable.GetAsFrozenCore()
///
protected override void GetAsFrozenCore(Freezable source)
{
GeometryCollection sourceGeometryCollection = (GeometryCollection) source;
base.GetAsFrozenCore(source);
int count = sourceGeometryCollection._collection.Count;
_collection = new FrugalStructList(count);
for (int i = 0; i < count; i++)
{
Geometry newValue = (Geometry) sourceGeometryCollection._collection[i].GetAsFrozen();
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
OnInsert(newValue);
}
}
///
/// Implementation of Freezable.GetCurrentValueAsFrozenCore()
///
protected override void GetCurrentValueAsFrozenCore(Freezable source)
{
GeometryCollection sourceGeometryCollection = (GeometryCollection) source;
base.GetCurrentValueAsFrozenCore(source);
int count = sourceGeometryCollection._collection.Count;
_collection = new FrugalStructList(count);
for (int i = 0; i < count; i++)
{
Geometry newValue = (Geometry) sourceGeometryCollection._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 GeometryCollection
///
public struct Enumerator : IEnumerator, IEnumerator
{
#region Constructor
internal Enumerator(GeometryCollection list)
{
Debug.Assert(list != null, "list may not be null.");
_list = list;
_version = list._version;
_index = -1;
_current = default(Geometry);
}
#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 Geometry 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 Geometry _current;
private GeometryCollection _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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