Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Base / System / Windows / LocalValueEnumerator.cs / 1 / LocalValueEnumerator.cs
using System; using System.Collections; using System.Diagnostics; #pragma warning disable 1634, 1691 // suppressing PreSharp warnings namespace System.Windows { ////// Local value enumeration object /// ////// Modifying local values (via SetValue or ClearValue) during enumeration /// is unsupported /// public struct LocalValueEnumerator : IEnumerator { ////// Overrides Object.GetHashCode /// ///An integer that represents the hashcode for this object public override int GetHashCode() { return base.GetHashCode(); } ////// Determine equality /// public override bool Equals(object obj) { LocalValueEnumerator other = (LocalValueEnumerator) obj; return (_count == other._count && _index == other._index && _snapshot == other._snapshot); } ////// Determine equality /// public static bool operator ==(LocalValueEnumerator obj1, LocalValueEnumerator obj2) { return obj1.Equals(obj2); } ////// Determine inequality /// public static bool operator !=(LocalValueEnumerator obj1, LocalValueEnumerator obj2) { return !(obj1 == obj2); } ////// Get current entry /// public LocalValueEntry Current { get { if(_index == -1 ) { #pragma warning suppress 6503 // IEnumerator.Current is documented to throw this exception throw new InvalidOperationException(SR.Get(SRID.LocalValueEnumerationReset)); } if(_index >= Count ) { #pragma warning suppress 6503 // IEnumerator.Current is documented to throw this exception throw new InvalidOperationException(SR.Get(SRID.LocalValueEnumerationOutOfBounds)); } return _snapshot[_index]; } } ////// Get current entry (object reference based) /// object IEnumerator.Current { get { return Current; } } ////// Move to the next item in the enumerator /// ///Success of the method public bool MoveNext() { _index++; return _index < Count; } ////// Reset enumeration /// public void Reset() { _index = -1; } ////// Return number of items represented in the collection /// public int Count { get { return _count; } } internal LocalValueEnumerator(LocalValueEntry[] snapshot, int count) { _index = -1; _count = count; _snapshot = snapshot; } private int _index; private LocalValueEntry[] _snapshot; private int _count; } ////// Represents a Property-Value pair for local value enumeration /// public struct LocalValueEntry { ////// Overrides Object.GetHashCode /// ///An integer that represents the hashcode for this object public override int GetHashCode() { return base.GetHashCode(); } ////// Determine equality /// public override bool Equals(object obj) { LocalValueEntry other = (LocalValueEntry) obj; return (_dp == other._dp && _value == other._value); } ////// Determine equality /// public static bool operator ==(LocalValueEntry obj1, LocalValueEntry obj2) { return obj1.Equals(obj2); } ////// Determine inequality /// public static bool operator !=(LocalValueEntry obj1, LocalValueEntry obj2) { return !(obj1 == obj2); } ////// Dependency property /// public DependencyProperty Property { get { return _dp; } } ////// Value of the property /// public object Value { get { return _value; } } internal LocalValueEntry(DependencyProperty dp, object value) { _dp = dp; _value = value; } // Internal here because we need to change these around when building // the snapshot for the LocalValueEnumerator, and we can't make internal // setters when we have public getters. internal DependencyProperty _dp; internal object _value; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Collections; using System.Diagnostics; #pragma warning disable 1634, 1691 // suppressing PreSharp warnings namespace System.Windows { ////// Local value enumeration object /// ////// Modifying local values (via SetValue or ClearValue) during enumeration /// is unsupported /// public struct LocalValueEnumerator : IEnumerator { ////// Overrides Object.GetHashCode /// ///An integer that represents the hashcode for this object public override int GetHashCode() { return base.GetHashCode(); } ////// Determine equality /// public override bool Equals(object obj) { LocalValueEnumerator other = (LocalValueEnumerator) obj; return (_count == other._count && _index == other._index && _snapshot == other._snapshot); } ////// Determine equality /// public static bool operator ==(LocalValueEnumerator obj1, LocalValueEnumerator obj2) { return obj1.Equals(obj2); } ////// Determine inequality /// public static bool operator !=(LocalValueEnumerator obj1, LocalValueEnumerator obj2) { return !(obj1 == obj2); } ////// Get current entry /// public LocalValueEntry Current { get { if(_index == -1 ) { #pragma warning suppress 6503 // IEnumerator.Current is documented to throw this exception throw new InvalidOperationException(SR.Get(SRID.LocalValueEnumerationReset)); } if(_index >= Count ) { #pragma warning suppress 6503 // IEnumerator.Current is documented to throw this exception throw new InvalidOperationException(SR.Get(SRID.LocalValueEnumerationOutOfBounds)); } return _snapshot[_index]; } } ////// Get current entry (object reference based) /// object IEnumerator.Current { get { return Current; } } ////// Move to the next item in the enumerator /// ///Success of the method public bool MoveNext() { _index++; return _index < Count; } ////// Reset enumeration /// public void Reset() { _index = -1; } ////// Return number of items represented in the collection /// public int Count { get { return _count; } } internal LocalValueEnumerator(LocalValueEntry[] snapshot, int count) { _index = -1; _count = count; _snapshot = snapshot; } private int _index; private LocalValueEntry[] _snapshot; private int _count; } ////// Represents a Property-Value pair for local value enumeration /// public struct LocalValueEntry { ////// Overrides Object.GetHashCode /// ///An integer that represents the hashcode for this object public override int GetHashCode() { return base.GetHashCode(); } ////// Determine equality /// public override bool Equals(object obj) { LocalValueEntry other = (LocalValueEntry) obj; return (_dp == other._dp && _value == other._value); } ////// Determine equality /// public static bool operator ==(LocalValueEntry obj1, LocalValueEntry obj2) { return obj1.Equals(obj2); } ////// Determine inequality /// public static bool operator !=(LocalValueEntry obj1, LocalValueEntry obj2) { return !(obj1 == obj2); } ////// Dependency property /// public DependencyProperty Property { get { return _dp; } } ////// Value of the property /// public object Value { get { return _value; } } internal LocalValueEntry(DependencyProperty dp, object value) { _dp = dp; _value = value; } // Internal here because we need to change these around when building // the snapshot for the LocalValueEnumerator, and we can't make internal // setters when we have public getters. internal DependencyProperty _dp; internal object _value; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DiscoveryRequestHandler.cs
- GridLength.cs
- XpsImageSerializationService.cs
- DataGridViewColumn.cs
- Win32NamedPipes.cs
- CodeNamespace.cs
- Pair.cs
- HierarchicalDataSourceControl.cs
- DriveNotFoundException.cs
- SecurityIdentifierConverter.cs
- QueryCursorEventArgs.cs
- WebPartAuthorizationEventArgs.cs
- UInt32Storage.cs
- TypeExtension.cs
- Byte.cs
- ProfileGroupSettingsCollection.cs
- ProfileGroupSettings.cs
- StreamGeometryContext.cs
- PathParser.cs
- PrintPageEvent.cs
- WaitForChangedResult.cs
- ListItemConverter.cs
- OdbcEnvironmentHandle.cs
- ObjectView.cs
- XmlArrayAttribute.cs
- WinHttpWebProxyFinder.cs
- CodeSubDirectory.cs
- HybridDictionary.cs
- CodeSnippetCompileUnit.cs
- DispatcherTimer.cs
- SessionStateModule.cs
- SerialPinChanges.cs
- TcpChannelHelper.cs
- CheckBoxList.cs
- XmlAggregates.cs
- TagElement.cs
- RenderData.cs
- TemplatedWizardStep.cs
- PageRouteHandler.cs
- MaskedTextProvider.cs
- ArgumentDirectionHelper.cs
- RepeaterCommandEventArgs.cs
- CodeObjectCreateExpression.cs
- CookieProtection.cs
- StateWorkerRequest.cs
- RenderTargetBitmap.cs
- ColorDialog.cs
- InternalConfigConfigurationFactory.cs
- Attributes.cs
- FixedLineResult.cs
- TouchDevice.cs
- DataError.cs
- BaseHashHelper.cs
- StrongName.cs
- ObfuscationAttribute.cs
- ReachPageContentSerializerAsync.cs
- COM2PropertyPageUITypeConverter.cs
- CodeStatement.cs
- KeyEventArgs.cs
- PropertyInformation.cs
- XPathNodeIterator.cs
- ellipse.cs
- OleAutBinder.cs
- ObjectListCommandsPage.cs
- COAUTHINFO.cs
- BinaryWriter.cs
- DbDeleteCommandTree.cs
- SqlEnums.cs
- UInt16.cs
- DocumentViewerAutomationPeer.cs
- FixUp.cs
- Relationship.cs
- VirtualStackFrame.cs
- FactoryGenerator.cs
- ComplusTypeValidator.cs
- GregorianCalendar.cs
- WasHttpHandlersInstallComponent.cs
- ProcessStartInfo.cs
- TextDecorations.cs
- DesignerDataConnection.cs
- StringAnimationBase.cs
- IntSecurity.cs
- ErrorTableItemStyle.cs
- MsmqIntegrationChannelFactory.cs
- AmbientLight.cs
- QueryStringParameter.cs
- CodeMemberProperty.cs
- indexingfiltermarshaler.cs
- LogicalExpr.cs
- PtsHost.cs
- MatrixAnimationBase.cs
- UInt16Converter.cs
- ApplicationCommands.cs
- SplineKeyFrames.cs
- ProcessHostConfigUtils.cs
- StrokeSerializer.cs
- InProcStateClientManager.cs
- HitTestResult.cs
- IODescriptionAttribute.cs
- FillRuleValidation.cs