Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / Message.cs / 1305376 / Message.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Windows.Forms { using System.Text; using System.Runtime.InteropServices; using System.Runtime.Remoting; using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System.Security; using System.Security.Permissions; using System; using System.Windows.Forms; ////// /// [SecurityPermission(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode)] [SuppressMessage("Microsoft.Security", "CA2108:ReviewDeclarativeSecurityOnValueTypes")] public struct Message { #if DEBUG static TraceSwitch AllWinMessages = new TraceSwitch("AllWinMessages", "Output every received message"); #endif IntPtr hWnd; int msg; IntPtr wparam; IntPtr lparam; IntPtr result; ////// Implements a Windows message. ////// /// public IntPtr HWnd { get { return hWnd; } set { hWnd = value; } } ///Specifies the window handle of the message. ////// /// public int Msg { get { return msg; } set { msg = value; } } ///Specifies the ID number for the message. ////// /// public IntPtr WParam { get { return wparam; } set { wparam = value; } } ///Specifies the ///of the message. /// /// public IntPtr LParam { get { return lparam; } set { lparam = value; } } ///Specifies the ///of the message. /// /// public IntPtr Result { get { return result; } set { result = value; } } ///Specifies the return value of the message. ////// /// public object GetLParam(Type cls) { return UnsafeNativeMethods.PtrToStructure(lparam, cls); } ///Gets the ///value, and converts the value to an object. /// /// public static Message Create(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam) { Message m = new Message(); m.hWnd = hWnd; m.msg = msg; m.wparam = wparam; m.lparam = lparam; m.result = IntPtr.Zero; #if DEBUG if(AllWinMessages.TraceVerbose) { Debug.WriteLine(m.ToString()); } #endif return m; } ///Creates a new ///object. public override bool Equals(object o) { if (!(o is Message)) { return false; } Message m = (Message)o; return hWnd == m.hWnd && msg == m.msg && wparam == m.wparam && lparam == m.lparam && result == m.result; } public static bool operator !=(Message a, Message b) { return !a.Equals(b); } public static bool operator ==(Message a, Message b) { return a.Equals(b); } /// public override int GetHashCode() { return (int)hWnd << 4 | msg; } /// /// /// /// public override string ToString() { // ----URT : 151574. Link Demand on System.Windows.Forms.Message // fails to protect overriden methods. bool unrestricted = false; try { IntSecurity.UnmanagedCode.Demand(); unrestricted = true; } catch (SecurityException) { // eat the exception. } if (unrestricted) { return MessageDecoder.ToString(this); } else { return base.ToString(); } } } } // 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
- XmlProcessingInstruction.cs
- TableLayout.cs
- XpsS0ValidatingLoader.cs
- TailCallAnalyzer.cs
- WebPartDisplayModeCollection.cs
- Span.cs
- ReferenceSchema.cs
- metadatamappinghashervisitor.cs
- SimpleBitVector32.cs
- CodePrimitiveExpression.cs
- ResourceSet.cs
- WorkflowInstance.cs
- BaseTemplateParser.cs
- SqlBulkCopyColumnMapping.cs
- SqlRewriteScalarSubqueries.cs
- MetadataUtilsSmi.cs
- ApplicationActivator.cs
- XmlAnyAttributeAttribute.cs
- SizeLimitedCache.cs
- PasswordPropertyTextAttribute.cs
- PageSetupDialog.cs
- LayoutEditorPart.cs
- TypeUtil.cs
- HelpKeywordAttribute.cs
- DecimalSumAggregationOperator.cs
- DesignerAttribute.cs
- Int16.cs
- Win32PrintDialog.cs
- DataError.cs
- XmlSchemaValidationException.cs
- TraceHandlerErrorFormatter.cs
- InternalMappingException.cs
- BuiltInExpr.cs
- PerformanceCounterScope.cs
- CommandManager.cs
- SaveFileDialog.cs
- PlatformCulture.cs
- PageRouteHandler.cs
- GlyphsSerializer.cs
- _BufferOffsetSize.cs
- SyndicationLink.cs
- DoubleAnimation.cs
- ScrollBar.cs
- validation.cs
- UriTemplateTrieLocation.cs
- SemanticTag.cs
- XmlEventCache.cs
- XmlNamespaceMapping.cs
- CharUnicodeInfo.cs
- EmbeddedMailObject.cs
- SiteMapHierarchicalDataSourceView.cs
- SoapSchemaImporter.cs
- PartialArray.cs
- ClientUrlResolverWrapper.cs
- DesignerCommandAdapter.cs
- XmlMembersMapping.cs
- CoreSwitches.cs
- DSACryptoServiceProvider.cs
- ConfigXmlComment.cs
- XmlReflectionImporter.cs
- SocketInformation.cs
- DetailsViewUpdateEventArgs.cs
- TextBox.cs
- dataobject.cs
- CompensationToken.cs
- OpenFileDialog.cs
- SystemUdpStatistics.cs
- XPathChildIterator.cs
- WinFormsSpinner.cs
- FullTextLine.cs
- TrackBarRenderer.cs
- TypeSchema.cs
- IconEditor.cs
- TransformGroup.cs
- Container.cs
- BookmarkEventArgs.cs
- QueryableDataSourceView.cs
- Repeater.cs
- CodeLabeledStatement.cs
- EdmSchemaError.cs
- FileSystemEventArgs.cs
- ButtonBase.cs
- WebPartVerbsEventArgs.cs
- ServerValidateEventArgs.cs
- WhitespaceRuleReader.cs
- InfocardClientCredentials.cs
- Models.cs
- Signature.cs
- IteratorDescriptor.cs
- FlowDocument.cs
- CompilationLock.cs
- RadioButtonStandardAdapter.cs
- DataGridViewButtonCell.cs
- EdgeProfileValidation.cs
- IpcServerChannel.cs
- CachedTypeface.cs
- OrderByQueryOptionExpression.cs
- ListViewTableRow.cs
- RegionIterator.cs
- BatchWriter.cs