Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Input / RawKeyboardInputReport.cs / 1305600 / RawKeyboardInputReport.cs
using System; using System.Security; using System.Security.Permissions; using MS.Internal; using MS.Win32; using System.Windows; namespace System.Windows.Input { ////// The RawKeyboardInputReport class encapsulates the raw input /// provided from a keyboard. /// ////// It is important to note that the InputReport class only contains /// blittable types. This is required so that the report can be /// marshalled across application domains. /// internal class RawKeyboardInputReport : InputReport { ////// Constructs ad instance of the RawKeyboardInputReport class. /// /// /// The input source that provided this input. /// /// /// The mode in which the input is being provided. /// /// /// The time when the input occured. /// /// /// The set of actions being reported. /// /// /// The scan code if a key is being reported. /// /// /// The true if a key is an extended key. /// /// /// The true if a key is a system key. /// /// /// The Win32 virtual key code if a key is being reported. /// /// /// Any extra information being provided along with the input. /// ////// Critical:This handles critical data in the form of PresentationSource and /// ExtraInformation /// TreatAsSafe:The data has demands on the property when someone tries to access it. /// [SecurityCritical,SecurityTreatAsSafe] public RawKeyboardInputReport( PresentationSource inputSource, InputMode mode, int timestamp, RawKeyboardActions actions, int scanCode, bool isExtendedKey, bool isSystemKey, int virtualKey, IntPtr extraInformation) : base(inputSource, InputType.Keyboard, mode, timestamp) { if (!IsValidRawKeyboardActions(actions)) throw new System.ComponentModel.InvalidEnumArgumentException("actions", (int)actions, typeof(RawKeyboardActions)); _actions = actions; _scanCode = scanCode; _isExtendedKey = isExtendedKey; _isSystemKey = isSystemKey; _virtualKey = virtualKey; _extraInformation = new SecurityCriticalData(extraInformation); } /// /// Read-only access to the set of actions that were reported. /// public RawKeyboardActions Actions {get {return _actions;}} ////// Read-only access to the scan code that was reported. /// public int ScanCode {get {return _scanCode;}} ////// Read-only access to the flag of an extended key. /// public bool IsExtendedKey {get {return _isExtendedKey;}} ////// Read-only access to the flag of a system key. /// public bool IsSystemKey {get {return _isSystemKey;}} ////// Read-only access to the virtual key that was reported. /// public int VirtualKey {get {return _virtualKey;}} ////// Read-only access to the extra information was provided along /// with the input. /// ////// Critical: This data was got under an elevation and is not safe to expose /// public IntPtr ExtraInformation { [SecurityCritical] get { return _extraInformation.Value; } } // IsValid Method for RawKeyboardActions. Relies on the enum being flags. internal static bool IsValidRawKeyboardActions(RawKeyboardActions actions) { if (((RawKeyboardActions.AttributesChanged | RawKeyboardActions.Activate | RawKeyboardActions.Deactivate | RawKeyboardActions.KeyDown | RawKeyboardActions.KeyUp) & actions) == actions) { if (!((((RawKeyboardActions.KeyUp | RawKeyboardActions.KeyDown) & actions) == (RawKeyboardActions.KeyUp | RawKeyboardActions.KeyDown)) || ((RawKeyboardActions.Deactivate & actions) == actions && RawKeyboardActions.Deactivate != actions))) { return true; } } return false; } private RawKeyboardActions _actions; private int _scanCode; private bool _isExtendedKey; private bool _isSystemKey; private int _virtualKey; ////// Critical: This information is got under an elevation and can latch onto /// any arbitrary data /// private SecurityCriticalData_extraInformation; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SqlPersonalizationProvider.cs
- EntityContainerEmitter.cs
- X509Certificate.cs
- ScaleTransform.cs
- ParallelTimeline.cs
- SecurityToken.cs
- SystemIPv6InterfaceProperties.cs
- _ContextAwareResult.cs
- ConfigurationStrings.cs
- CDSCollectionETWBCLProvider.cs
- URLMembershipCondition.cs
- MultiSelector.cs
- SelectionProcessor.cs
- BufferedGraphicsManager.cs
- PropertyBuilder.cs
- TreeNodeStyle.cs
- ExpandSegmentCollection.cs
- DispatcherExceptionFilterEventArgs.cs
- ObjectDataSourceMethodEditor.cs
- FontWeightConverter.cs
- WorkflowWebHostingModule.cs
- ProxyHwnd.cs
- DesignerProperties.cs
- BlockUIContainer.cs
- XNodeNavigator.cs
- FileInfo.cs
- FontFamilyValueSerializer.cs
- ViewPort3D.cs
- TypeDescriptionProvider.cs
- Vector3DValueSerializer.cs
- Keyboard.cs
- WindowsRichEdit.cs
- Stack.cs
- SizeFConverter.cs
- DataGridViewCellLinkedList.cs
- EntityDataSourceSelectedEventArgs.cs
- XmlNodeComparer.cs
- ProbeMatchesApril2005.cs
- _SafeNetHandles.cs
- NotSupportedException.cs
- ArrayWithOffset.cs
- CancellationTokenRegistration.cs
- HelpProvider.cs
- BlobPersonalizationState.cs
- StorageSetMapping.cs
- ListMarkerLine.cs
- X509CertificateCollection.cs
- Keywords.cs
- StorageEntityTypeMapping.cs
- DataGridViewButtonColumn.cs
- ConfigXmlComment.cs
- PaperSize.cs
- InvalidCastException.cs
- ColumnResult.cs
- NameService.cs
- PriorityQueue.cs
- LazyLoadBehavior.cs
- StreamDocument.cs
- DataGridTextBoxColumn.cs
- UriParserTemplates.cs
- ScrollChrome.cs
- LogLogRecord.cs
- DictionaryBase.cs
- KeyInterop.cs
- PartialCachingAttribute.cs
- OptimizerPatterns.cs
- AssemblyAttributesGoHere.cs
- WizardDesigner.cs
- EDesignUtil.cs
- MultiPartWriter.cs
- WebConfigurationFileMap.cs
- HttpPostServerProtocol.cs
- ToolStripItem.cs
- safex509handles.cs
- ItemPager.cs
- Cursor.cs
- UserControl.cs
- AssemblyAttributesGoHere.cs
- WindowClosedEventArgs.cs
- FontConverter.cs
- _HeaderInfo.cs
- WebPartZoneBase.cs
- LayoutDump.cs
- PointCollectionValueSerializer.cs
- EntityDataSourceWrapperCollection.cs
- RemoteWebConfigurationHostServer.cs
- ListViewItemSelectionChangedEvent.cs
- GridViewSortEventArgs.cs
- ServiceProviders.cs
- ReadonlyMessageFilter.cs
- OptionalRstParameters.cs
- Thickness.cs
- SqlDataSourceCache.cs
- IdleTimeoutMonitor.cs
- CodeExporter.cs
- CachingHintValidation.cs
- X509AsymmetricSecurityKey.cs
- Color.cs
- FlowDocumentPageViewerAutomationPeer.cs
- TextBox.cs