Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / System / Windows / namescope.cs / 1 / namescope.cs
/****************************************************************************\ * * File: NameScope.cs * * Used to store mapping information for names occuring * within the logical tree section. * * Copyright (C) 2005 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.Windows; using System.Collections; using System.Collections.Specialized; using System.Globalization; using System.Windows.Markup; using System.ComponentModel; using MS.Internal; namespace System.Windows { ////// Used to store mapping information for names occuring /// within the logical tree section. /// public class NameScope : INameScope { #region INameScope ////// Register Name-Object Map /// /// name to be registered /// object mapped to name public void RegisterName(string name, object scopedElement) { if (name == null) throw new ArgumentNullException("name"); if (scopedElement == null) throw new ArgumentNullException("scopedElement"); if (name == String.Empty) throw new ArgumentException(SR.Get(SRID.NameScopeNameNotEmptyString)); if (!NameValidationHelper.IsValidIdentifierName(name)) { throw new ArgumentException(SR.Get(SRID.NameScopeInvalidIdentifierName, name)); } if (_nameMap == null) { _nameMap = new HybridDictionary(); _nameMap[name] = scopedElement; } else { object nameContext = _nameMap[name]; // first time adding the Name, set it if (nameContext == null) { _nameMap[name] = scopedElement; } else if (scopedElement != nameContext) { throw new ArgumentException(SR.Get(SRID.NameScopeDuplicateNamesNotAllowed, name)); } } if( TraceNameScope.IsEnabled ) { TraceNameScope.TraceActivityItem( TraceNameScope.RegisterName, this, name, scopedElement ); } } ////// Unregister Name-Object Map /// /// name to be registered public void UnregisterName(string name) { if (name == null) throw new ArgumentNullException("name"); if (name == String.Empty) throw new ArgumentException(SR.Get(SRID.NameScopeNameNotEmptyString)); if (_nameMap != null && _nameMap[name] != null) { _nameMap.Remove(name); } else { throw new ArgumentException(SR.Get(SRID.NameScopeNameNotFound, name)); } if( TraceNameScope.IsEnabled ) { TraceNameScope.TraceActivityItem( TraceNameScope.UnregisterName, this, name ); } } ////// Find - Find the corresponding object given a Name /// /// Name for which context needs to be retrieved ///corresponding Context if found, else null public object FindName(string name) { if (_nameMap == null || name == null || name == String.Empty) return null; return _nameMap[name]; } #endregion INameScope #region InternalMethods internal static INameScope NameScopeFromObject(object obj) { INameScope nameScope = obj as INameScope; if (nameScope == null) { DependencyObject objAsDO = obj as DependencyObject; if (objAsDO != null) { nameScope = GetNameScope(objAsDO); } } return nameScope; } #endregion InternalMethods #region DependencyProperties ////// NameScope property. This is an attached property. /// This property allows the dynamic attachment of NameScopes /// public static readonly DependencyProperty NameScopeProperty = DependencyProperty.RegisterAttached( "NameScope", typeof(INameScope), typeof(NameScope)); ////// Helper for setting NameScope property on a DependencyObject. /// /// Dependency Object to set NameScope property on. /// NameScope property value. public static void SetNameScope(DependencyObject dependencyObject, INameScope value) { if (dependencyObject == null) { throw new ArgumentNullException("dependencyObject"); } dependencyObject.SetValue(NameScopeProperty, value); } ////// Helper for reading NameScope property from a DependencyObject. /// /// DependencyObject to read NameScope property from. ///NameScope property value. [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] public static INameScope GetNameScope(DependencyObject dependencyObject) { if (dependencyObject == null) { throw new ArgumentNullException("dependencyObject"); } return ((INameScope)dependencyObject.GetValue(NameScopeProperty)); } #endregion DependencyProperties #region Data // This is a HybridDictionary of Name-Object maps private HybridDictionary _nameMap; #endregion Data } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /****************************************************************************\ * * File: NameScope.cs * * Used to store mapping information for names occuring * within the logical tree section. * * Copyright (C) 2005 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.Windows; using System.Collections; using System.Collections.Specialized; using System.Globalization; using System.Windows.Markup; using System.ComponentModel; using MS.Internal; namespace System.Windows { ////// Used to store mapping information for names occuring /// within the logical tree section. /// public class NameScope : INameScope { #region INameScope ////// Register Name-Object Map /// /// name to be registered /// object mapped to name public void RegisterName(string name, object scopedElement) { if (name == null) throw new ArgumentNullException("name"); if (scopedElement == null) throw new ArgumentNullException("scopedElement"); if (name == String.Empty) throw new ArgumentException(SR.Get(SRID.NameScopeNameNotEmptyString)); if (!NameValidationHelper.IsValidIdentifierName(name)) { throw new ArgumentException(SR.Get(SRID.NameScopeInvalidIdentifierName, name)); } if (_nameMap == null) { _nameMap = new HybridDictionary(); _nameMap[name] = scopedElement; } else { object nameContext = _nameMap[name]; // first time adding the Name, set it if (nameContext == null) { _nameMap[name] = scopedElement; } else if (scopedElement != nameContext) { throw new ArgumentException(SR.Get(SRID.NameScopeDuplicateNamesNotAllowed, name)); } } if( TraceNameScope.IsEnabled ) { TraceNameScope.TraceActivityItem( TraceNameScope.RegisterName, this, name, scopedElement ); } } ////// Unregister Name-Object Map /// /// name to be registered public void UnregisterName(string name) { if (name == null) throw new ArgumentNullException("name"); if (name == String.Empty) throw new ArgumentException(SR.Get(SRID.NameScopeNameNotEmptyString)); if (_nameMap != null && _nameMap[name] != null) { _nameMap.Remove(name); } else { throw new ArgumentException(SR.Get(SRID.NameScopeNameNotFound, name)); } if( TraceNameScope.IsEnabled ) { TraceNameScope.TraceActivityItem( TraceNameScope.UnregisterName, this, name ); } } ////// Find - Find the corresponding object given a Name /// /// Name for which context needs to be retrieved ///corresponding Context if found, else null public object FindName(string name) { if (_nameMap == null || name == null || name == String.Empty) return null; return _nameMap[name]; } #endregion INameScope #region InternalMethods internal static INameScope NameScopeFromObject(object obj) { INameScope nameScope = obj as INameScope; if (nameScope == null) { DependencyObject objAsDO = obj as DependencyObject; if (objAsDO != null) { nameScope = GetNameScope(objAsDO); } } return nameScope; } #endregion InternalMethods #region DependencyProperties ////// NameScope property. This is an attached property. /// This property allows the dynamic attachment of NameScopes /// public static readonly DependencyProperty NameScopeProperty = DependencyProperty.RegisterAttached( "NameScope", typeof(INameScope), typeof(NameScope)); ////// Helper for setting NameScope property on a DependencyObject. /// /// Dependency Object to set NameScope property on. /// NameScope property value. public static void SetNameScope(DependencyObject dependencyObject, INameScope value) { if (dependencyObject == null) { throw new ArgumentNullException("dependencyObject"); } dependencyObject.SetValue(NameScopeProperty, value); } ////// Helper for reading NameScope property from a DependencyObject. /// /// DependencyObject to read NameScope property from. ///NameScope property value. [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] public static INameScope GetNameScope(DependencyObject dependencyObject) { if (dependencyObject == null) { throw new ArgumentNullException("dependencyObject"); } return ((INameScope)dependencyObject.GetValue(NameScopeProperty)); } #endregion DependencyProperties #region Data // This is a HybridDictionary of Name-Object maps private HybridDictionary _nameMap; #endregion Data } } // 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
- DataGridViewRowHeaderCell.cs
- EmulateRecognizeCompletedEventArgs.cs
- JsonDataContract.cs
- DataGridPageChangedEventArgs.cs
- NotCondition.cs
- RootBrowserWindowAutomationPeer.cs
- RightsManagementEncryptedStream.cs
- TimeSpanValidator.cs
- ScrollBar.cs
- HostingEnvironment.cs
- COMException.cs
- FixedSOMPageElement.cs
- URL.cs
- CompositeCollection.cs
- MarshalDirectiveException.cs
- RectAnimationClockResource.cs
- XPathAxisIterator.cs
- SystemIPInterfaceProperties.cs
- Function.cs
- ContractMapping.cs
- XmlIlGenerator.cs
- NameObjectCollectionBase.cs
- QueryCorrelationInitializer.cs
- XmlElementAttributes.cs
- IPGlobalProperties.cs
- ContextProperty.cs
- MessageFormatterConverter.cs
- ClickablePoint.cs
- HMACSHA1.cs
- _CookieModule.cs
- ThreadInterruptedException.cs
- HttpHeaderCollection.cs
- XmlMessageFormatter.cs
- ActivityDelegate.cs
- TemplateKey.cs
- QuotaExceededException.cs
- SoapInteropTypes.cs
- ExternalCalls.cs
- MessageQueueKey.cs
- AtomMaterializerLog.cs
- AuthenticationModuleElement.cs
- _AutoWebProxyScriptHelper.cs
- DataListAutoFormat.cs
- ConfigurationSchemaErrors.cs
- ParallelActivityDesigner.cs
- PersonalizationProvider.cs
- InstanceDataCollectionCollection.cs
- Pair.cs
- TextTreePropertyUndoUnit.cs
- ColumnMapProcessor.cs
- TransactedReceiveData.cs
- CustomAttributeFormatException.cs
- Constants.cs
- ProcessManager.cs
- IPEndPoint.cs
- RenderingEventArgs.cs
- InheritedPropertyChangedEventArgs.cs
- SHA1.cs
- MessageAction.cs
- DataSetMappper.cs
- TempFiles.cs
- _SslState.cs
- XmlEnumAttribute.cs
- TrackingQueryElement.cs
- AttributeInfo.cs
- CapabilitiesRule.cs
- autovalidator.cs
- FunctionQuery.cs
- _ScatterGatherBuffers.cs
- DebugTraceHelper.cs
- TypeInfo.cs
- ToolBarButton.cs
- ThreadLocal.cs
- CellConstant.cs
- ExclusiveCanonicalizationTransform.cs
- BufferedStream.cs
- XhtmlBasicCalendarAdapter.cs
- XslTransform.cs
- ColorInterpolationModeValidation.cs
- RegexCode.cs
- WebBaseEventKeyComparer.cs
- MessageQueueCriteria.cs
- MultiDataTrigger.cs
- TypeInitializationException.cs
- TemplateContentLoader.cs
- SQLInt64Storage.cs
- ViewKeyConstraint.cs
- ProfileProvider.cs
- FixedSOMTableRow.cs
- QilTernary.cs
- ManagedIStream.cs
- WebPartCloseVerb.cs
- CookieHandler.cs
- SqlConnectionPoolGroupProviderInfo.cs
- DerivedKeySecurityTokenStub.cs
- LocationSectionRecord.cs
- XmlDocumentFragment.cs
- SizeF.cs
- InfocardInteractiveChannelInitializer.cs
- BoundsDrawingContextWalker.cs