Code:
/ 4.0 / 4.0 / 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. //------------------------------------------------------------------------------ //// 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
- GridViewEditEventArgs.cs
- CodeParameterDeclarationExpressionCollection.cs
- NavigationProperty.cs
- RtfToken.cs
- ObfuscateAssemblyAttribute.cs
- WebPartEditVerb.cs
- PolicyStatement.cs
- TypeInformation.cs
- OleDbTransaction.cs
- GraphicsPathIterator.cs
- ToolboxControl.cs
- BindingExpression.cs
- RightsManagementEncryptedStream.cs
- ProviderMetadata.cs
- PropertyHelper.cs
- WrapPanel.cs
- AuthenticationManager.cs
- Geometry3D.cs
- DesignerSerializerAttribute.cs
- XmlSchemaGroupRef.cs
- TimeSpanMinutesConverter.cs
- WindowsScrollBarBits.cs
- ImageAnimator.cs
- SemanticBasicElement.cs
- EntityDataSourceChangingEventArgs.cs
- DrawingCollection.cs
- PrimitiveOperationFormatter.cs
- ExpandSegmentCollection.cs
- KnownTypesHelper.cs
- DefaultCompensation.cs
- EventSourceCreationData.cs
- Filter.cs
- TextElement.cs
- SharedPerformanceCounter.cs
- MembershipSection.cs
- OrderByLifter.cs
- DefaultShape.cs
- MenuItemCollection.cs
- AutomationElement.cs
- Column.cs
- URI.cs
- XmlMtomReader.cs
- CurrentChangedEventManager.cs
- ScriptControlManager.cs
- SystemInfo.cs
- SubMenuStyleCollection.cs
- AddingNewEventArgs.cs
- StaticDataManager.cs
- EventLogPropertySelector.cs
- Line.cs
- ClientProxyGenerator.cs
- WebPartMenuStyle.cs
- HtmlTextBoxAdapter.cs
- ConfigXmlSignificantWhitespace.cs
- NetworkInterface.cs
- Context.cs
- PauseStoryboard.cs
- ResourceExpressionEditorSheet.cs
- UnknownBitmapDecoder.cs
- TabItemAutomationPeer.cs
- XPathAxisIterator.cs
- ProxyWebPartConnectionCollection.cs
- GridViewColumnHeader.cs
- RegistryPermission.cs
- DbCommandDefinition.cs
- ResourceExpressionBuilder.cs
- CodePageEncoding.cs
- CheckBoxRenderer.cs
- CaseStatement.cs
- XPathCompileException.cs
- Point3D.cs
- StatusBar.cs
- XmlCountingReader.cs
- FullTrustAssembliesSection.cs
- SafeArrayRankMismatchException.cs
- MatrixTransform.cs
- InfoCardAsymmetricCrypto.cs
- XmlSchemaSimpleContentRestriction.cs
- HttpCacheVary.cs
- RelatedPropertyManager.cs
- AdornerHitTestResult.cs
- DataGridColumnsPage.cs
- ServiceModelPerformanceCounters.cs
- LocatorManager.cs
- PersonalizationStateInfo.cs
- SerialStream.cs
- XslAst.cs
- DBCommand.cs
- SponsorHelper.cs
- CommandField.cs
- XamlClipboardData.cs
- FilteredDataSetHelper.cs
- DefaultProxySection.cs
- StagingAreaInputItem.cs
- RadioButtonStandardAdapter.cs
- ObjectSet.cs
- ReachPageContentSerializer.cs
- StreamInfo.cs
- DetailsViewUpdatedEventArgs.cs
- DocumentSequence.cs