Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / WinForms / Managed / System / WinForms / ApplicationContext.cs / 1 / ApplicationContext.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System; using System.Diagnostics; using System.ComponentModel; ////// /// ApplicationContext provides contextual information about an application /// thread. Specifically this allows an application author to redifine what /// circurmstances cause a message loop to exit. By default the application /// context listens to the close event on the mainForm, then exits the /// thread's message loop. /// public class ApplicationContext : IDisposable { Form mainForm; object userData; ////// /// Creates a new ApplicationContext with no mainForm. /// public ApplicationContext() : this(null) { } ////// /// Creates a new ApplicationContext with the specified mainForm. /// If OnMainFormClosed is not overriden, the thread's message /// loop will be terminated when mainForm is closed. /// public ApplicationContext(Form mainForm) { this.MainForm = mainForm; } ///~ApplicationContext() { Dispose(false); } /// /// /// Determines the mainForm for this context. This may be changed /// at anytime. /// If OnMainFormClosed is not overriden, the thread's message /// loop will be terminated when mainForm is closed. /// public Form MainForm { get { return mainForm; } set { EventHandler onClose = new EventHandler(OnMainFormDestroy); if (mainForm != null) { mainForm.HandleDestroyed -= onClose; } mainForm = value; if (mainForm != null) { mainForm.HandleDestroyed += onClose; } } } ///[ SRCategory(SR.CatData), Localizable(false), Bindable(true), SRDescription(SR.ControlTagDescr), DefaultValue(null), TypeConverter(typeof(StringConverter)), ] public object Tag { get { return userData; } set { userData = value; } } /// /// /// Is raised when the thread's message loop should be terminated. /// This is raised by calling ExitThread. /// public event EventHandler ThreadExit; ////// /// Disposes the context. This should dispose the mainForm. This is /// called immediately after the thread's message loop is terminated. /// Application will dispose all forms on this thread by default. /// public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } ///protected virtual void Dispose(bool disposing) { if (disposing) { if (mainForm != null) { if (!mainForm.IsDisposed) { mainForm.Dispose(); } mainForm = null; } } } /// /// /// Causes the thread's message loop to be terminated. This /// will call ExitThreadCore. /// public void ExitThread() { ExitThreadCore(); } ////// /// Causes the thread's message loop to be terminated. /// protected virtual void ExitThreadCore() { if (ThreadExit != null) { ThreadExit(this, EventArgs.Empty); } } ////// /// Called when the mainForm is closed. The default implementation /// of this will call ExitThreadCore. /// protected virtual void OnMainFormClosed(object sender, EventArgs e) { ExitThreadCore(); } ////// Called when the mainForm is closed. The default implementation /// of this will call ExitThreadCore. /// private void OnMainFormDestroy(object sender, EventArgs e) { Form form = (Form)sender; if (!form.RecreatingHandle) { form.HandleDestroyed -= new EventHandler(OnMainFormDestroy); OnMainFormClosed(sender, e); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms { using System; using System.Diagnostics; using System.ComponentModel; ////// /// ApplicationContext provides contextual information about an application /// thread. Specifically this allows an application author to redifine what /// circurmstances cause a message loop to exit. By default the application /// context listens to the close event on the mainForm, then exits the /// thread's message loop. /// public class ApplicationContext : IDisposable { Form mainForm; object userData; ////// /// Creates a new ApplicationContext with no mainForm. /// public ApplicationContext() : this(null) { } ////// /// Creates a new ApplicationContext with the specified mainForm. /// If OnMainFormClosed is not overriden, the thread's message /// loop will be terminated when mainForm is closed. /// public ApplicationContext(Form mainForm) { this.MainForm = mainForm; } ///~ApplicationContext() { Dispose(false); } /// /// /// Determines the mainForm for this context. This may be changed /// at anytime. /// If OnMainFormClosed is not overriden, the thread's message /// loop will be terminated when mainForm is closed. /// public Form MainForm { get { return mainForm; } set { EventHandler onClose = new EventHandler(OnMainFormDestroy); if (mainForm != null) { mainForm.HandleDestroyed -= onClose; } mainForm = value; if (mainForm != null) { mainForm.HandleDestroyed += onClose; } } } ///[ SRCategory(SR.CatData), Localizable(false), Bindable(true), SRDescription(SR.ControlTagDescr), DefaultValue(null), TypeConverter(typeof(StringConverter)), ] public object Tag { get { return userData; } set { userData = value; } } /// /// /// Is raised when the thread's message loop should be terminated. /// This is raised by calling ExitThread. /// public event EventHandler ThreadExit; ////// /// Disposes the context. This should dispose the mainForm. This is /// called immediately after the thread's message loop is terminated. /// Application will dispose all forms on this thread by default. /// public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } ///protected virtual void Dispose(bool disposing) { if (disposing) { if (mainForm != null) { if (!mainForm.IsDisposed) { mainForm.Dispose(); } mainForm = null; } } } /// /// /// Causes the thread's message loop to be terminated. This /// will call ExitThreadCore. /// public void ExitThread() { ExitThreadCore(); } ////// /// Causes the thread's message loop to be terminated. /// protected virtual void ExitThreadCore() { if (ThreadExit != null) { ThreadExit(this, EventArgs.Empty); } } ////// /// Called when the mainForm is closed. The default implementation /// of this will call ExitThreadCore. /// protected virtual void OnMainFormClosed(object sender, EventArgs e) { ExitThreadCore(); } ////// Called when the mainForm is closed. The default implementation /// of this will call ExitThreadCore. /// private void OnMainFormDestroy(object sender, EventArgs e) { Form form = (Form)sender; if (!form.RecreatingHandle) { form.HandleDestroyed -= new EventHandler(OnMainFormDestroy); OnMainFormClosed(sender, e); } } } } // 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
- ZeroOpNode.cs
- ParameterBuilder.cs
- DiagnosticTrace.cs
- HtmlTextArea.cs
- BufferCache.cs
- WinFormsComponentEditor.cs
- Int16Converter.cs
- DataKeyCollection.cs
- UnsafeNativeMethods.cs
- RadioButtonAutomationPeer.cs
- Form.cs
- TreeViewHitTestInfo.cs
- safelinkcollection.cs
- ControlFilterExpression.cs
- RelationshipWrapper.cs
- Error.cs
- MaskedTextProvider.cs
- PaperSize.cs
- ShapingEngine.cs
- ListViewUpdatedEventArgs.cs
- ToolStripDropDownButton.cs
- InfocardInteractiveChannelInitializer.cs
- SafeRightsManagementHandle.cs
- FullTrustAssemblyCollection.cs
- FlowDocumentView.cs
- SimpleApplicationHost.cs
- Polyline.cs
- XmlHierarchyData.cs
- UserControlFileEditor.cs
- BindingList.cs
- ECDiffieHellmanCng.cs
- CryptoApi.cs
- EventSourceCreationData.cs
- WebPartConnectionsCancelEventArgs.cs
- QilVisitor.cs
- EventProviderWriter.cs
- UIPropertyMetadata.cs
- TraceRecord.cs
- _HeaderInfoTable.cs
- AnimationLayer.cs
- OrthographicCamera.cs
- PropertyReferenceExtension.cs
- TreeIterator.cs
- DiscreteKeyFrames.cs
- Dispatcher.cs
- LocalizationParserHooks.cs
- SchemaSetCompiler.cs
- Literal.cs
- XmlSignificantWhitespace.cs
- FixedSOMPageConstructor.cs
- CopyAttributesAction.cs
- DbConnectionPool.cs
- EdmProviderManifest.cs
- SplashScreen.cs
- TransactionsSectionGroup.cs
- StringArrayConverter.cs
- ContentPlaceHolderDesigner.cs
- OperationResponse.cs
- Mouse.cs
- TextEditorTables.cs
- ScopedKnownTypes.cs
- SafePEFileHandle.cs
- Roles.cs
- RowParagraph.cs
- QueryConverter.cs
- DataGridItemCollection.cs
- VariableAction.cs
- HashCryptoHandle.cs
- Int16AnimationBase.cs
- SqlAliaser.cs
- SerializerDescriptor.cs
- DependencyPropertyHelper.cs
- DataRowCollection.cs
- SubtreeProcessor.cs
- MetafileEditor.cs
- SecurityDocument.cs
- XmlChoiceIdentifierAttribute.cs
- ACE.cs
- StyleCollection.cs
- IssuedTokenClientBehaviorsElementCollection.cs
- XmlSchemaInfo.cs
- _NegoState.cs
- PhoneCall.cs
- InfoCardRSAPKCS1SignatureDeformatter.cs
- AttachedAnnotationChangedEventArgs.cs
- FileDialog_Vista_Interop.cs
- UIPropertyMetadata.cs
- ThrowHelper.cs
- VirtualPath.cs
- BuildResult.cs
- ArglessEventHandlerProxy.cs
- IODescriptionAttribute.cs
- ResourcesChangeInfo.cs
- Math.cs
- ScrollableControl.cs
- ToolBarOverflowPanel.cs
- MemberMaps.cs
- ThreadNeutralSemaphore.cs
- InvokeMethod.cs
- StylusPointDescription.cs