Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / CompMod / System / ComponentModel / NestedContainer.cs / 1 / NestedContainer.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.ComponentModel { using System; using System.ComponentModel; using System.Globalization; using System.IO; using System.Security.Permissions; ////// A nested container is a container that is owned by another component. Nested /// containers can be found by querying a component site's services for NestedConainter. /// Nested containers are a useful tool to establish owner relationships among components. /// All components within a nested container are named with the owning component's name /// as a prefix. /// [HostProtection(SharedState = true)] public class NestedContainer : Container, INestedContainer { private IComponent _owner; ////// Creates a new NestedContainer. /// public NestedContainer(IComponent owner) { if (owner == null) { throw new ArgumentNullException("owner"); } _owner = owner; _owner.Disposed += new EventHandler(OnOwnerDisposed); } ////// The component that owns this nested container. /// public IComponent Owner { get { return _owner; } } ////// Retrieves the name of the owning component. This may be overridden to /// provide a custom owner name. The default searches the owner's site for /// INestedSite and calls FullName, or ISite.Name if there is no nested site. /// If neither is available, this returns null. /// protected virtual string OwnerName { get { string ownerName = null; if (_owner != null && _owner.Site != null) { INestedSite nestedOwnerSite = _owner.Site as INestedSite; if (nestedOwnerSite != null) { ownerName = nestedOwnerSite.FullName; } else { ownerName = _owner.Site.Name; } } return ownerName; } } ////// Creates a site for the component within the container. /// protected override ISite CreateSite(IComponent component, string name) { if (component == null) { throw new ArgumentNullException("component"); } return new Site(component, this, name); } ////// Override of Container's dispose. /// protected override void Dispose(bool disposing) { if (disposing) { _owner.Disposed -= new EventHandler(OnOwnerDisposed); } base.Dispose(disposing); } ////// protected override object GetService(Type service) { if (service == typeof(INestedContainer)) { return this; } else { return base.GetService(service); } } ///[To be supplied.] ////// Called when our owning component is destroyed. /// private void OnOwnerDisposed(object sender, EventArgs e) { Dispose(); } ////// Simple site implementation. We do some special processing to name the site, but /// that's about it. /// private class Site : INestedSite { private IComponent component; private NestedContainer container; private string name; internal Site(IComponent component, NestedContainer container, string name) { this.component = component; this.container = container; this.name = name; } // The component sited by this component site. public IComponent Component { get { return component; } } // The container in which the component is sited. public IContainer Container { get { return container; } } public Object GetService(Type service) { return((service == typeof(ISite)) ? this : container.GetService(service)); } // Indicates whether the component is in design mode. public bool DesignMode { get { IComponent owner = container.Owner; if (owner != null && owner.Site != null) { return owner.Site.DesignMode; } return false; } } public string FullName { get { if (name != null) { string ownerName = container.OwnerName; string childName = name; if (ownerName != null) { childName = string.Format(CultureInfo.InvariantCulture, "{0}.{1}", ownerName, childName); } return childName; } return name; } } // The name of the component. // public String Name { get { return name; } set { if (value == null || name == null || !value.Equals(name)) { container.ValidateName(component, value); name = value; } } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.ComponentModel { using System; using System.ComponentModel; using System.Globalization; using System.IO; using System.Security.Permissions; ////// A nested container is a container that is owned by another component. Nested /// containers can be found by querying a component site's services for NestedConainter. /// Nested containers are a useful tool to establish owner relationships among components. /// All components within a nested container are named with the owning component's name /// as a prefix. /// [HostProtection(SharedState = true)] public class NestedContainer : Container, INestedContainer { private IComponent _owner; ////// Creates a new NestedContainer. /// public NestedContainer(IComponent owner) { if (owner == null) { throw new ArgumentNullException("owner"); } _owner = owner; _owner.Disposed += new EventHandler(OnOwnerDisposed); } ////// The component that owns this nested container. /// public IComponent Owner { get { return _owner; } } ////// Retrieves the name of the owning component. This may be overridden to /// provide a custom owner name. The default searches the owner's site for /// INestedSite and calls FullName, or ISite.Name if there is no nested site. /// If neither is available, this returns null. /// protected virtual string OwnerName { get { string ownerName = null; if (_owner != null && _owner.Site != null) { INestedSite nestedOwnerSite = _owner.Site as INestedSite; if (nestedOwnerSite != null) { ownerName = nestedOwnerSite.FullName; } else { ownerName = _owner.Site.Name; } } return ownerName; } } ////// Creates a site for the component within the container. /// protected override ISite CreateSite(IComponent component, string name) { if (component == null) { throw new ArgumentNullException("component"); } return new Site(component, this, name); } ////// Override of Container's dispose. /// protected override void Dispose(bool disposing) { if (disposing) { _owner.Disposed -= new EventHandler(OnOwnerDisposed); } base.Dispose(disposing); } ////// protected override object GetService(Type service) { if (service == typeof(INestedContainer)) { return this; } else { return base.GetService(service); } } ///[To be supplied.] ////// Called when our owning component is destroyed. /// private void OnOwnerDisposed(object sender, EventArgs e) { Dispose(); } ////// Simple site implementation. We do some special processing to name the site, but /// that's about it. /// private class Site : INestedSite { private IComponent component; private NestedContainer container; private string name; internal Site(IComponent component, NestedContainer container, string name) { this.component = component; this.container = container; this.name = name; } // The component sited by this component site. public IComponent Component { get { return component; } } // The container in which the component is sited. public IContainer Container { get { return container; } } public Object GetService(Type service) { return((service == typeof(ISite)) ? this : container.GetService(service)); } // Indicates whether the component is in design mode. public bool DesignMode { get { IComponent owner = container.Owner; if (owner != null && owner.Site != null) { return owner.Site.DesignMode; } return false; } } public string FullName { get { if (name != null) { string ownerName = container.OwnerName; string childName = name; if (ownerName != null) { childName = string.Format(CultureInfo.InvariantCulture, "{0}.{1}", ownerName, childName); } return childName; } return name; } } // The name of the component. // public String Name { get { return name; } set { if (value == null || name == null || !value.Equals(name)) { container.ValidateName(component, value); name = value; } } } } } } // 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
- XmlSchemaExternal.cs
- GenericTextProperties.cs
- PersonalizationProvider.cs
- ProfileSettingsCollection.cs
- ScrollItemPattern.cs
- LinkedDataMemberFieldEditor.cs
- DataGrid.cs
- RegexGroupCollection.cs
- WrappingXamlSchemaContext.cs
- Mapping.cs
- DesignSurfaceManager.cs
- ConfigurationStrings.cs
- COM2Enum.cs
- SmiXetterAccessMap.cs
- RelationshipDetailsRow.cs
- Schema.cs
- InternalMappingException.cs
- WorkflowInstanceAbortedRecord.cs
- DataGridViewDataErrorEventArgs.cs
- HtmlForm.cs
- TextServicesCompartment.cs
- ValidateNames.cs
- RemoteWebConfigurationHostServer.cs
- ClientSideProviderDescription.cs
- RectValueSerializer.cs
- CodeFieldReferenceExpression.cs
- ExpressionVisitor.cs
- MarkedHighlightComponent.cs
- CellQuery.cs
- DrawingContextWalker.cs
- ViewCellRelation.cs
- IntersectQueryOperator.cs
- GridSplitterAutomationPeer.cs
- TemplateXamlTreeBuilder.cs
- HexParser.cs
- RegistrySecurity.cs
- FixedSOMGroup.cs
- CacheSection.cs
- AssociationTypeEmitter.cs
- Context.cs
- HierarchicalDataTemplate.cs
- PerformanceCountersElement.cs
- SystemIPInterfaceStatistics.cs
- _ListenerAsyncResult.cs
- URLAttribute.cs
- XPathAncestorIterator.cs
- ProfilePropertyNameValidator.cs
- GiveFeedbackEventArgs.cs
- AlternateViewCollection.cs
- PageThemeBuildProvider.cs
- MasterPage.cs
- ControlType.cs
- SettingsContext.cs
- TableHeaderCell.cs
- ChildTable.cs
- ErrorProvider.cs
- EntityDescriptor.cs
- XsltCompileContext.cs
- TableProviderWrapper.cs
- TextComposition.cs
- Vector3DAnimationBase.cs
- SymbolPair.cs
- HandleRef.cs
- Module.cs
- PrePostDescendentsWalker.cs
- PostBackTrigger.cs
- sapiproxy.cs
- FormattedText.cs
- XmlComment.cs
- SqlFactory.cs
- ISessionStateStore.cs
- UserPreferenceChangingEventArgs.cs
- TemplatePagerField.cs
- TokenBasedSetEnumerator.cs
- EditingCommands.cs
- MultipartContentParser.cs
- ClientCultureInfo.cs
- ImageDrawing.cs
- XmlSchemaSimpleType.cs
- Pointer.cs
- OracleTransaction.cs
- Drawing.cs
- ComboBox.cs
- Typeface.cs
- TextServicesManager.cs
- _CookieModule.cs
- PageAdapter.cs
- StagingAreaInputItem.cs
- StringBlob.cs
- streamingZipPartStream.cs
- XmlSchemaGroupRef.cs
- ArrayEditor.cs
- TableColumn.cs
- DashStyle.cs
- Literal.cs
- OrderByLifter.cs
- PeerValidationBehavior.cs
- HTMLTagNameToTypeMapper.cs
- ButtonChrome.cs
- dsa.cs