Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Sys / System / Configuration / SettingsBase.cs / 1305376 / SettingsBase.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System.Collections.Specialized; using System.Runtime.Serialization; using System.Configuration.Provider; using System.Collections; using System.ComponentModel; //////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////// public abstract class SettingsBase { protected SettingsBase() { _PropertyValues = new SettingsPropertyValueCollection(); } //////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////// public virtual object this[string propertyName] { get { if (IsSynchronized) { lock (this) { return GetPropertyValueByName(propertyName); } } else { return GetPropertyValueByName(propertyName); } } set { if (IsSynchronized) { lock (this) { SetPropertyValueByName(propertyName, value); } } else { SetPropertyValueByName(propertyName, value); } } } private object GetPropertyValueByName(string propertyName) { if (Properties == null || _PropertyValues == null || Properties.Count == 0) throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName)); SettingsProperty pp = Properties[propertyName]; if (pp == null) throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName)); SettingsPropertyValue p = _PropertyValues[propertyName]; if (p == null) { GetPropertiesFromProvider(pp.Provider); p = _PropertyValues[propertyName]; if (p == null) throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName)); } return p.PropertyValue; } private void SetPropertyValueByName(string propertyName, object propertyValue) { if (Properties == null || _PropertyValues == null || Properties.Count == 0) throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName)); SettingsProperty pp = Properties[propertyName]; if (pp == null) throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName)); if (pp.IsReadOnly) throw new SettingsPropertyIsReadOnlyException(SR.GetString(SR.SettingsPropertyReadOnly, propertyName)); if (propertyValue != null && !pp.PropertyType.IsInstanceOfType(propertyValue)) throw new SettingsPropertyWrongTypeException(SR.GetString(SR.SettingsPropertyWrongType, propertyName)); SettingsPropertyValue p = _PropertyValues[propertyName]; if (p == null) { GetPropertiesFromProvider(pp.Provider); p = _PropertyValues[propertyName]; if (p == null) throw new SettingsPropertyNotFoundException(SR.GetString(SR.SettingsPropertyNotFound, propertyName)); } p.PropertyValue = propertyValue; } //////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////// public void Initialize( SettingsContext context, SettingsPropertyCollection properties, SettingsProviderCollection providers) { _Context = context; _Properties = properties; _Providers = providers; } //////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////// public virtual void Save() { if (IsSynchronized) { lock (this) { SaveCore(); } } else { SaveCore(); } } private void SaveCore() { if (Properties == null || _PropertyValues == null || Properties.Count == 0) return; foreach(SettingsProvider prov in Providers) { SettingsPropertyValueCollection ppcv = new SettingsPropertyValueCollection(); foreach (SettingsPropertyValue pp in PropertyValues) { if (pp.Property.Provider == prov) { ppcv.Add(pp); } } if (ppcv.Count > 0) { prov.SetPropertyValues(Context, ppcv); } } foreach (SettingsPropertyValue pp in PropertyValues) pp.IsDirty = false; } virtual public SettingsPropertyCollection Properties { get { return _Properties; }} virtual public SettingsProviderCollection Providers { get { return _Providers; }} virtual public SettingsPropertyValueCollection PropertyValues { get { return _PropertyValues; } } virtual public SettingsContext Context { get { return _Context; } } private void GetPropertiesFromProvider(SettingsProvider provider) { SettingsPropertyCollection ppc = new SettingsPropertyCollection(); foreach (SettingsProperty pp in Properties) { if (pp.Provider == provider) { ppc.Add(pp); } } if (ppc.Count > 0) { SettingsPropertyValueCollection ppcv = provider.GetPropertyValues(Context, ppc); foreach (SettingsPropertyValue p in ppcv) { if (_PropertyValues[p.Name] == null) _PropertyValues.Add(p); } } } public static SettingsBase Synchronized(SettingsBase settingsBase) { settingsBase._IsSynchronized = true; return settingsBase; } //////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////// private SettingsPropertyCollection _Properties = null; private SettingsProviderCollection _Providers = null; private SettingsPropertyValueCollection _PropertyValues = null; private SettingsContext _Context = null; private bool _IsSynchronized = false; [Browsable(false)] public bool IsSynchronized { get { return _IsSynchronized; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DockPanel.cs
- ChtmlTextWriter.cs
- SizeIndependentAnimationStorage.cs
- GestureRecognizer.cs
- ICspAsymmetricAlgorithm.cs
- RemoteWebConfigurationHostStream.cs
- ISSmlParser.cs
- SmiRequestExecutor.cs
- BuildManagerHost.cs
- StylusSystemGestureEventArgs.cs
- RealProxy.cs
- OleDbCommand.cs
- KeyGestureConverter.cs
- UInt32Converter.cs
- ProcessExitedException.cs
- MergeFailedEvent.cs
- OperatorExpressions.cs
- ListMarkerSourceInfo.cs
- JoinTreeSlot.cs
- ColorAnimationBase.cs
- MonikerUtility.cs
- FixUp.cs
- ReachSerializationCacheItems.cs
- DrawingAttributesDefaultValueFactory.cs
- SettingsSection.cs
- ReadOnlyDataSource.cs
- PrintDocument.cs
- EntryPointNotFoundException.cs
- EtwTrace.cs
- ListView.cs
- ServiceDescriptions.cs
- CallbackValidator.cs
- RelOps.cs
- DataGridViewCellContextMenuStripNeededEventArgs.cs
- MethodBuilderInstantiation.cs
- InternalEnumValidator.cs
- DiscreteKeyFrames.cs
- GeneralTransformGroup.cs
- HttpConfigurationSystem.cs
- BaseAsyncResult.cs
- ProtocolsConfigurationEntry.cs
- BaseCollection.cs
- OlePropertyStructs.cs
- SiteMapNodeItem.cs
- CommandLibraryHelper.cs
- MissingManifestResourceException.cs
- TextParagraphProperties.cs
- ButtonField.cs
- WindowPattern.cs
- TableItemPattern.cs
- SqlFileStream.cs
- ExpressionParser.cs
- SoundPlayer.cs
- XmlSchemaAnnotation.cs
- UrlMappingsSection.cs
- CompositionCommandSet.cs
- SkinBuilder.cs
- ExpandCollapsePattern.cs
- ButtonFieldBase.cs
- Models.cs
- HtmlLink.cs
- TagPrefixCollection.cs
- Parameter.cs
- KoreanCalendar.cs
- DatatypeImplementation.cs
- NullRuntimeConfig.cs
- XmlAtomicValue.cs
- ToolConsole.cs
- XmlDataSource.cs
- IndexObject.cs
- PropertyInfo.cs
- DataGridViewCellLinkedList.cs
- ClickablePoint.cs
- SerialErrors.cs
- ByteConverter.cs
- ProxyElement.cs
- ElementsClipboardData.cs
- FixedPage.cs
- WorkflowInstance.cs
- XmlEncoding.cs
- TdsValueSetter.cs
- BaseParaClient.cs
- DataGridViewImageCell.cs
- DataObjectEventArgs.cs
- Span.cs
- StreamWithDictionary.cs
- XsltCompileContext.cs
- FilterEventArgs.cs
- MethodCallTranslator.cs
- DataGridPagerStyle.cs
- ResponseStream.cs
- PerformanceCounterPermissionAttribute.cs
- FolderBrowserDialogDesigner.cs
- Timeline.cs
- CodeAttributeDeclaration.cs
- CreatingCookieEventArgs.cs
- _ProxyRegBlob.cs
- GradientSpreadMethodValidation.cs
- XamlValidatingReader.cs
- CommandField.cs