Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Core / CSharp / System / Windows / Input / Stylus / RawStylusInput.cs / 1 / RawStylusInput.cs
using System; using System.Collections; using System.Windows.Media; using System.Security; using System.Security.Permissions; using MS.Internal; using MS.Internal.PresentationCore; // SecurityHelper using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Input.StylusPlugIns { ///////////////////////////////////////////////////////////////////////// ////// [TBS] /// public class RawStylusInput { ///////////////////////////////////////////////////////////////////// ////// [TBS] /// /// [TBS] /// [TBS] /// [TBS] internal RawStylusInput( RawStylusInputReport report, GeneralTransform tabletToElementTransform, StylusPlugInCollection targetPlugInCollection) { if (report == null) { throw new ArgumentNullException("report"); } if (tabletToElementTransform.Inverse == null) { throw new ArgumentException(SR.Get(SRID.Stylus_MatrixNotInvertable), "tabletToElementTransform"); } if (targetPlugInCollection == null) { throw new ArgumentNullException("targetPlugInCollection"); } // We should always see this GeneralTransform is frozen since we access this from multiple threads. System.Diagnostics.Debug.Assert(tabletToElementTransform.IsFrozen); _report = report; _tabletToElementTransform = tabletToElementTransform; _targetPlugInCollection = targetPlugInCollection; } ////// /// public int StylusDeviceId { get { return _report.StylusDeviceId; } } ////// /// public int TabletDeviceId { get { return _report.TabletDeviceId; } } ////// /// public int Timestamp { get { return _report.Timestamp; } } ////// Returns a copy of the StylusPoints /// public StylusPointCollection GetStylusPoints() { return GetStylusPoints(Transform.Identity); } ////// Internal method called by StylusDevice to prevent two copies /// ////// Critical: This code accesses InputReport.InputSource /// TreatAsSafe: The method only gets a transform from PresentationSource and returns StylusPointCollection. /// Those operations are considered safe. /// This method is called by: /// RawStylusInput.GetStylusPoints /// StylusDevice.UpdateEventStylusPoints(RawStylusInputReport, Boolean) /// [SecurityCritical, SecurityTreatAsSafe] internal StylusPointCollection GetStylusPoints(GeneralTransform transform) { if (_stylusPoints == null) { // GeneralTransformGroup group = new GeneralTransformGroup(); if ( StylusDeviceId == 0) { // Only do this for the Mouse group.Children.Add(new MatrixTransform(_report.InputSource.CompositionTarget.TransformFromDevice)); } group.Children.Add(_tabletToElementTransform); group.Children.Add(transform); return new StylusPointCollection(_report.StylusPointDescription, _report.GetRawPacketData(), group, Matrix.Identity); } else { return _stylusPoints.Clone(transform, _stylusPoints.Description); } } ////// Replaces the StylusPoints. /// ////// Callers must have Unmanaged code permission to call this API. /// /// stylusPoints ////// Callers must have Unmanaged code permission to call this API. /// public void SetStylusPoints(StylusPointCollection stylusPoints) { // To modify the points we require Unmanaged code permission. SecurityHelper.DemandUnmanagedCode(); if (null == stylusPoints) { throw new ArgumentNullException("stylusPoints"); } if (!StylusPointDescription.AreCompatible( stylusPoints.Description, _report.StylusPointDescription)) { throw new ArgumentException(SR.Get(SRID.IncompatibleStylusPointDescriptions), "stylusPoints"); } if (stylusPoints.Count == 0) { throw new ArgumentException(SR.Get(SRID.Stylus_StylusPointsCantBeEmpty), "stylusPoints"); } _stylusPoints = stylusPoints.Clone(); } ////// Returns the RawStylusInputCustomDataList used to notify plugins before /// PreviewStylus event has been processed by application. /// public void NotifyWhenProcessed(object callbackData) { if (_currentNotifyPlugIn == null) { throw new InvalidOperationException(SR.Get(SRID.Stylus_CanOnlyCallForDownMoveOrUp)); } if (_customData == null) { _customData = new RawStylusInputCustomDataList(); } _customData.Add(new RawStylusInputCustomData(_currentNotifyPlugIn, callbackData)); } ////// True if a StylusPlugIn has modifiedthe StylusPoints. /// internal bool StylusPointsModified { get { return _stylusPoints != null; } } ////// Target StylusPlugInCollection that real time pen input sent to. /// internal StylusPlugInCollection Target { get { return _targetPlugInCollection; } } ////// Real RawStylusInputReport that this report is generated from. /// internal RawStylusInputReport Report { get { return _report; } } ////// Matrix that was used for rawstylusinput packets. /// internal GeneralTransform ElementTransform { get { return _tabletToElementTransform; } } ////// Retrieves the RawStylusInputCustomDataList associated with this input. /// internal RawStylusInputCustomDataList CustomDataList { get { if (_customData == null) { _customData = new RawStylusInputCustomDataList(); } return _customData; } } ////// StylusPlugIn that is adding a notify event. /// internal StylusPlugIn CurrentNotifyPlugIn { get { return _currentNotifyPlugIn; } set { _currentNotifyPlugIn = value; } } ///////////////////////////////////////////////////////////////////// RawStylusInputReport _report; GeneralTransform _tabletToElementTransform; StylusPlugInCollection _targetPlugInCollection; StylusPointCollection _stylusPoints; StylusPlugIn _currentNotifyPlugIn; RawStylusInputCustomDataList _customData; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Collections; using System.Windows.Media; using System.Security; using System.Security.Permissions; using MS.Internal; using MS.Internal.PresentationCore; // SecurityHelper using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Input.StylusPlugIns { ///////////////////////////////////////////////////////////////////////// ////// [TBS] /// public class RawStylusInput { ///////////////////////////////////////////////////////////////////// ////// [TBS] /// /// [TBS] /// [TBS] /// [TBS] internal RawStylusInput( RawStylusInputReport report, GeneralTransform tabletToElementTransform, StylusPlugInCollection targetPlugInCollection) { if (report == null) { throw new ArgumentNullException("report"); } if (tabletToElementTransform.Inverse == null) { throw new ArgumentException(SR.Get(SRID.Stylus_MatrixNotInvertable), "tabletToElementTransform"); } if (targetPlugInCollection == null) { throw new ArgumentNullException("targetPlugInCollection"); } // We should always see this GeneralTransform is frozen since we access this from multiple threads. System.Diagnostics.Debug.Assert(tabletToElementTransform.IsFrozen); _report = report; _tabletToElementTransform = tabletToElementTransform; _targetPlugInCollection = targetPlugInCollection; } ////// /// public int StylusDeviceId { get { return _report.StylusDeviceId; } } ////// /// public int TabletDeviceId { get { return _report.TabletDeviceId; } } ////// /// public int Timestamp { get { return _report.Timestamp; } } ////// Returns a copy of the StylusPoints /// public StylusPointCollection GetStylusPoints() { return GetStylusPoints(Transform.Identity); } ////// Internal method called by StylusDevice to prevent two copies /// ////// Critical: This code accesses InputReport.InputSource /// TreatAsSafe: The method only gets a transform from PresentationSource and returns StylusPointCollection. /// Those operations are considered safe. /// This method is called by: /// RawStylusInput.GetStylusPoints /// StylusDevice.UpdateEventStylusPoints(RawStylusInputReport, Boolean) /// [SecurityCritical, SecurityTreatAsSafe] internal StylusPointCollection GetStylusPoints(GeneralTransform transform) { if (_stylusPoints == null) { // GeneralTransformGroup group = new GeneralTransformGroup(); if ( StylusDeviceId == 0) { // Only do this for the Mouse group.Children.Add(new MatrixTransform(_report.InputSource.CompositionTarget.TransformFromDevice)); } group.Children.Add(_tabletToElementTransform); group.Children.Add(transform); return new StylusPointCollection(_report.StylusPointDescription, _report.GetRawPacketData(), group, Matrix.Identity); } else { return _stylusPoints.Clone(transform, _stylusPoints.Description); } } ////// Replaces the StylusPoints. /// ////// Callers must have Unmanaged code permission to call this API. /// /// stylusPoints ////// Callers must have Unmanaged code permission to call this API. /// public void SetStylusPoints(StylusPointCollection stylusPoints) { // To modify the points we require Unmanaged code permission. SecurityHelper.DemandUnmanagedCode(); if (null == stylusPoints) { throw new ArgumentNullException("stylusPoints"); } if (!StylusPointDescription.AreCompatible( stylusPoints.Description, _report.StylusPointDescription)) { throw new ArgumentException(SR.Get(SRID.IncompatibleStylusPointDescriptions), "stylusPoints"); } if (stylusPoints.Count == 0) { throw new ArgumentException(SR.Get(SRID.Stylus_StylusPointsCantBeEmpty), "stylusPoints"); } _stylusPoints = stylusPoints.Clone(); } ////// Returns the RawStylusInputCustomDataList used to notify plugins before /// PreviewStylus event has been processed by application. /// public void NotifyWhenProcessed(object callbackData) { if (_currentNotifyPlugIn == null) { throw new InvalidOperationException(SR.Get(SRID.Stylus_CanOnlyCallForDownMoveOrUp)); } if (_customData == null) { _customData = new RawStylusInputCustomDataList(); } _customData.Add(new RawStylusInputCustomData(_currentNotifyPlugIn, callbackData)); } ////// True if a StylusPlugIn has modifiedthe StylusPoints. /// internal bool StylusPointsModified { get { return _stylusPoints != null; } } ////// Target StylusPlugInCollection that real time pen input sent to. /// internal StylusPlugInCollection Target { get { return _targetPlugInCollection; } } ////// Real RawStylusInputReport that this report is generated from. /// internal RawStylusInputReport Report { get { return _report; } } ////// Matrix that was used for rawstylusinput packets. /// internal GeneralTransform ElementTransform { get { return _tabletToElementTransform; } } ////// Retrieves the RawStylusInputCustomDataList associated with this input. /// internal RawStylusInputCustomDataList CustomDataList { get { if (_customData == null) { _customData = new RawStylusInputCustomDataList(); } return _customData; } } ////// StylusPlugIn that is adding a notify event. /// internal StylusPlugIn CurrentNotifyPlugIn { get { return _currentNotifyPlugIn; } set { _currentNotifyPlugIn = value; } } ///////////////////////////////////////////////////////////////////// RawStylusInputReport _report; GeneralTransform _tabletToElementTransform; StylusPlugInCollection _targetPlugInCollection; StylusPointCollection _stylusPoints; StylusPlugIn _currentNotifyPlugIn; RawStylusInputCustomDataList _customData; } } // 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
- Rectangle.cs
- MetadataFile.cs
- FileChangesMonitor.cs
- TabItemAutomationPeer.cs
- WebPartDisplayMode.cs
- OleDbSchemaGuid.cs
- ZipIOLocalFileBlock.cs
- sortedlist.cs
- TemplateControlBuildProvider.cs
- CssTextWriter.cs
- CodeCommentStatementCollection.cs
- DataFormats.cs
- ModuleBuilder.cs
- PolyLineSegment.cs
- GPRECTF.cs
- BaseTreeIterator.cs
- WindowsTooltip.cs
- ScrollItemPattern.cs
- CornerRadiusConverter.cs
- MemoryStream.cs
- DocumentGrid.cs
- CodePrimitiveExpression.cs
- Point3DKeyFrameCollection.cs
- ValidationContext.cs
- ThousandthOfEmRealDoubles.cs
- DoWorkEventArgs.cs
- GradientBrush.cs
- Binding.cs
- InvalidPropValue.cs
- AdRotator.cs
- AssemblyBuilderData.cs
- TraceProvider.cs
- TrackingRecord.cs
- PathSegmentCollection.cs
- StandardBindingImporter.cs
- FieldDescriptor.cs
- AppDomainGrammarProxy.cs
- XmlAutoDetectWriter.cs
- XamlStackWriter.cs
- NativeMethods.cs
- BinaryCommonClasses.cs
- ListViewInsertionMark.cs
- TransformCollection.cs
- ScriptServiceAttribute.cs
- ControlEvent.cs
- MatrixCamera.cs
- XmlIterators.cs
- OutputScopeManager.cs
- PaintEvent.cs
- TreeNodeBindingCollection.cs
- WindowsIPAddress.cs
- HelpEvent.cs
- ConstructorNeedsTagAttribute.cs
- PathData.cs
- CompilerResults.cs
- MethodCallConverter.cs
- PanelDesigner.cs
- PrePrepareMethodAttribute.cs
- Normalization.cs
- SiteIdentityPermission.cs
- EventHandlersDesigner.cs
- InheritanceAttribute.cs
- ToolTipAutomationPeer.cs
- CompletedAsyncResult.cs
- ViewgenContext.cs
- HttpStaticObjectsCollectionWrapper.cs
- TableLayoutPanelCellPosition.cs
- Bits.cs
- PropertyFilterAttribute.cs
- RSAPKCS1KeyExchangeFormatter.cs
- OpCopier.cs
- SoapSchemaExporter.cs
- DataSourceProvider.cs
- FamilyMap.cs
- ComponentResourceKeyConverter.cs
- ExtensibleClassFactory.cs
- InternalConfigRoot.cs
- Utility.cs
- EventSinkHelperWriter.cs
- AutomationEventArgs.cs
- TimeSpanSecondsConverter.cs
- ImageMapEventArgs.cs
- Symbol.cs
- SettingsSection.cs
- SchemaNames.cs
- CompiledIdentityConstraint.cs
- DataContractAttribute.cs
- Brush.cs
- BypassElementCollection.cs
- SapiAttributeParser.cs
- LocalizationParserHooks.cs
- JapaneseCalendar.cs
- WebPartConnectionsDisconnectVerb.cs
- RewritingValidator.cs
- AttachedAnnotationChangedEventArgs.cs
- ADMembershipUser.cs
- SchemaNames.cs
- ContainerAction.cs
- RenameRuleObjectDialog.Designer.cs
- WebPartUserCapability.cs