Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / WinForms / Managed / System / WinForms / HtmlToClrEventProxy.cs / 1 / HtmlToClrEventProxy.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Diagnostics; using System.IO; using System.Drawing; using System.Drawing.Printing; using System.Windows.Forms; using System.Security.Permissions; using System.Security; using System.Runtime.InteropServices; using System.Net; using System.Globalization; using System.Collections; using System.Reflection; namespace System.Windows.Forms { ////// This class is here for IHTML*3.AttachHandler style eventing. /// We need a way of routing requests for DISPID(0) to a particular CLR event without creating /// a public class. In order to accomplish this we implement IReflect and handle InvokeMethod /// to call back on a CLR event handler. /// internal class HtmlToClrEventProxy : IReflect { private EventHandler eventHandler; private IReflect typeIReflectImplementation; private object sender = null; private string eventName; public HtmlToClrEventProxy(object sender, string eventName, EventHandler eventHandler) { this.eventHandler = eventHandler; this.eventName = eventName; Type htmlToClrEventProxyType = typeof(HtmlToClrEventProxy); typeIReflectImplementation = htmlToClrEventProxyType as IReflect; } public string EventName { get { return eventName; } } [DispId(0)] public void OnHtmlEvent() { InvokeClrEvent(); } private void InvokeClrEvent() { if (eventHandler != null) { eventHandler(sender, EventArgs.Empty); } } #region IReflect Type IReflect.UnderlyingSystemType { get { return typeIReflectImplementation.UnderlyingSystemType; } } // Methods System.Reflection.FieldInfo IReflect.GetField(string name, System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetField(name, bindingAttr); } System.Reflection.FieldInfo[] IReflect.GetFields(System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetFields(bindingAttr); } System.Reflection.MemberInfo[] IReflect.GetMember(string name, System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetMember(name, bindingAttr); } System.Reflection.MemberInfo[] IReflect.GetMembers(System.Reflection.BindingFlags bindingAttr){ return typeIReflectImplementation.GetMembers(bindingAttr); } System.Reflection.MethodInfo IReflect.GetMethod(string name, System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetMethod(name, bindingAttr); } System.Reflection.MethodInfo IReflect.GetMethod(string name, System.Reflection.BindingFlags bindingAttr, System.Reflection.Binder binder, Type[] types, System.Reflection.ParameterModifier[] modifiers) { return typeIReflectImplementation.GetMethod(name, bindingAttr, binder, types, modifiers); } System.Reflection.MethodInfo[] IReflect.GetMethods(System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetMethods(bindingAttr); } System.Reflection.PropertyInfo[] IReflect.GetProperties(System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetProperties(bindingAttr); } System.Reflection.PropertyInfo IReflect.GetProperty(string name, System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetProperty(name, bindingAttr); } System.Reflection.PropertyInfo IReflect.GetProperty(string name, System.Reflection.BindingFlags bindingAttr, System.Reflection.Binder binder, Type returnType, Type[] types, System.Reflection.ParameterModifier[] modifiers) { return typeIReflectImplementation.GetProperty(name, bindingAttr, binder, returnType, types, modifiers); } // InvokeMember: // If we get a call for DISPID=0, fire the CLR event. // object IReflect.InvokeMember(string name, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, object target, object[] args, System.Reflection.ParameterModifier[] modifiers, System.Globalization.CultureInfo culture, string[] namedParameters) { // if (name == "[DISPID=0]") { // we know we're getting called back to fire the event - translate this now into a CLR event. OnHtmlEvent(); // since there's no return value for void, return null. return null; } else { return typeIReflectImplementation.InvokeMember(name, invokeAttr, binder, target, args, modifiers, culture, namedParameters); } } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Diagnostics; using System.IO; using System.Drawing; using System.Drawing.Printing; using System.Windows.Forms; using System.Security.Permissions; using System.Security; using System.Runtime.InteropServices; using System.Net; using System.Globalization; using System.Collections; using System.Reflection; namespace System.Windows.Forms { ////// This class is here for IHTML*3.AttachHandler style eventing. /// We need a way of routing requests for DISPID(0) to a particular CLR event without creating /// a public class. In order to accomplish this we implement IReflect and handle InvokeMethod /// to call back on a CLR event handler. /// internal class HtmlToClrEventProxy : IReflect { private EventHandler eventHandler; private IReflect typeIReflectImplementation; private object sender = null; private string eventName; public HtmlToClrEventProxy(object sender, string eventName, EventHandler eventHandler) { this.eventHandler = eventHandler; this.eventName = eventName; Type htmlToClrEventProxyType = typeof(HtmlToClrEventProxy); typeIReflectImplementation = htmlToClrEventProxyType as IReflect; } public string EventName { get { return eventName; } } [DispId(0)] public void OnHtmlEvent() { InvokeClrEvent(); } private void InvokeClrEvent() { if (eventHandler != null) { eventHandler(sender, EventArgs.Empty); } } #region IReflect Type IReflect.UnderlyingSystemType { get { return typeIReflectImplementation.UnderlyingSystemType; } } // Methods System.Reflection.FieldInfo IReflect.GetField(string name, System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetField(name, bindingAttr); } System.Reflection.FieldInfo[] IReflect.GetFields(System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetFields(bindingAttr); } System.Reflection.MemberInfo[] IReflect.GetMember(string name, System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetMember(name, bindingAttr); } System.Reflection.MemberInfo[] IReflect.GetMembers(System.Reflection.BindingFlags bindingAttr){ return typeIReflectImplementation.GetMembers(bindingAttr); } System.Reflection.MethodInfo IReflect.GetMethod(string name, System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetMethod(name, bindingAttr); } System.Reflection.MethodInfo IReflect.GetMethod(string name, System.Reflection.BindingFlags bindingAttr, System.Reflection.Binder binder, Type[] types, System.Reflection.ParameterModifier[] modifiers) { return typeIReflectImplementation.GetMethod(name, bindingAttr, binder, types, modifiers); } System.Reflection.MethodInfo[] IReflect.GetMethods(System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetMethods(bindingAttr); } System.Reflection.PropertyInfo[] IReflect.GetProperties(System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetProperties(bindingAttr); } System.Reflection.PropertyInfo IReflect.GetProperty(string name, System.Reflection.BindingFlags bindingAttr) { return typeIReflectImplementation.GetProperty(name, bindingAttr); } System.Reflection.PropertyInfo IReflect.GetProperty(string name, System.Reflection.BindingFlags bindingAttr, System.Reflection.Binder binder, Type returnType, Type[] types, System.Reflection.ParameterModifier[] modifiers) { return typeIReflectImplementation.GetProperty(name, bindingAttr, binder, returnType, types, modifiers); } // InvokeMember: // If we get a call for DISPID=0, fire the CLR event. // object IReflect.InvokeMember(string name, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, object target, object[] args, System.Reflection.ParameterModifier[] modifiers, System.Globalization.CultureInfo culture, string[] namedParameters) { // if (name == "[DISPID=0]") { // we know we're getting called back to fire the event - translate this now into a CLR event. OnHtmlEvent(); // since there's no return value for void, return null. return null; } else { return typeIReflectImplementation.InvokeMember(name, invokeAttr, binder, target, args, modifiers, culture, namedParameters); } } #endregion } } // 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
- DataPagerFieldCommandEventArgs.cs
- SeekStoryboard.cs
- InitializerFacet.cs
- TraceHandlerErrorFormatter.cs
- WindowClosedEventArgs.cs
- IconHelper.cs
- ClientRolePrincipal.cs
- FactoryMaker.cs
- PasswordPropertyTextAttribute.cs
- SmtpSpecifiedPickupDirectoryElement.cs
- X509Certificate2Collection.cs
- EncoderNLS.cs
- FrameworkRichTextComposition.cs
- TemplateControlBuildProvider.cs
- InfoCardSchemas.cs
- DataGridTextBox.cs
- ColorMatrix.cs
- CSharpCodeProvider.cs
- XmlDataCollection.cs
- BStrWrapper.cs
- DispatcherFrame.cs
- DataViewManager.cs
- ConfigXmlAttribute.cs
- GlobalProxySelection.cs
- TrackingQueryElement.cs
- Message.cs
- SimpleType.cs
- Exceptions.cs
- EdmPropertyAttribute.cs
- InnerItemCollectionView.cs
- WindowsSlider.cs
- TextOutput.cs
- TextRenderingModeValidation.cs
- FolderLevelBuildProviderCollection.cs
- ControlCachePolicy.cs
- CommentAction.cs
- Column.cs
- ExpressionVisitor.cs
- MyContact.cs
- QilName.cs
- FileDialog.cs
- HttpHandlerAction.cs
- PassportAuthenticationModule.cs
- FloaterBaseParaClient.cs
- XmlMemberMapping.cs
- EventWaitHandleSecurity.cs
- DurationConverter.cs
- SubqueryRules.cs
- RegexCapture.cs
- _ListenerResponseStream.cs
- TableDesigner.cs
- GradientStop.cs
- SqlNode.cs
- ZipIOLocalFileBlock.cs
- Soap.cs
- PropertyGridView.cs
- EraserBehavior.cs
- X500Name.cs
- XmlWellformedWriter.cs
- HtmlGenericControl.cs
- ContainerFilterService.cs
- OrthographicCamera.cs
- RegexCaptureCollection.cs
- Form.cs
- webeventbuffer.cs
- QilPatternFactory.cs
- Interfaces.cs
- Rect.cs
- BuildDependencySet.cs
- DispatchRuntime.cs
- keycontainerpermission.cs
- TraversalRequest.cs
- Object.cs
- Token.cs
- AttachmentService.cs
- SettingsBase.cs
- WebPartEditorOkVerb.cs
- UniqueConstraint.cs
- ComEventsSink.cs
- MasterPageParser.cs
- GenericWebPart.cs
- Control.cs
- SendKeys.cs
- CodeGroup.cs
- CompressedStack.cs
- NameValuePair.cs
- SignedXml.cs
- XmlSchemaRedefine.cs
- VectorAnimationUsingKeyFrames.cs
- CustomCredentialPolicy.cs
- XmlSecureResolver.cs
- ToolStripDropDownClosingEventArgs.cs
- TextDecorationCollection.cs
- TextBoxView.cs
- BitmapDecoder.cs
- Char.cs
- Point3DCollectionConverter.cs
- DetailsViewUpdateEventArgs.cs
- Trace.cs
- PersonalizationEntry.cs