Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / 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
- MemberAccessException.cs
- WindowsListViewSubItem.cs
- Validator.cs
- PixelFormat.cs
- ExpandCollapseProviderWrapper.cs
- Aggregates.cs
- CipherData.cs
- Single.cs
- DoubleAnimationClockResource.cs
- TreeSet.cs
- MediaCommands.cs
- VirtualPathProvider.cs
- DirectionalLight.cs
- DesignTimeTemplateParser.cs
- ToolboxItemWrapper.cs
- CharAnimationUsingKeyFrames.cs
- DBDataPermission.cs
- StylusDevice.cs
- ClientBuildManagerTypeDescriptionProviderBridge.cs
- BooleanAnimationBase.cs
- TextEditorCopyPaste.cs
- BuildProviderUtils.cs
- Utils.cs
- XmlSchemaSimpleContentExtension.cs
- TrustLevel.cs
- WebPartTransformerAttribute.cs
- RegexNode.cs
- ListViewItem.cs
- RichTextBox.cs
- InvariantComparer.cs
- Constants.cs
- OutOfMemoryException.cs
- SiteOfOriginPart.cs
- AttributeEmitter.cs
- NGCSerializationManager.cs
- ImageMap.cs
- CqlParserHelpers.cs
- ConfigXmlElement.cs
- SQLInt64Storage.cs
- PagerSettings.cs
- StringInfo.cs
- InfocardChannelParameter.cs
- RadioButtonPopupAdapter.cs
- DiscreteKeyFrames.cs
- TokenizerHelper.cs
- BindingGroup.cs
- TreeViewItem.cs
- GenericAuthenticationEventArgs.cs
- IssuanceLicense.cs
- ParallelRangeManager.cs
- DataGridViewTextBoxColumn.cs
- SecurityTokenResolver.cs
- GreenMethods.cs
- MappingSource.cs
- SoapElementAttribute.cs
- TransactionState.cs
- CssClassPropertyAttribute.cs
- CollectionAdapters.cs
- PageDeviceFont.cs
- _IPv4Address.cs
- Pen.cs
- SessionState.cs
- ResXFileRef.cs
- RegionData.cs
- Wildcard.cs
- RelationshipConverter.cs
- CompiledRegexRunner.cs
- EventRoute.cs
- StyleModeStack.cs
- XD.cs
- DrawingAttributes.cs
- CryptoApi.cs
- ChangeTracker.cs
- PasswordBox.cs
- MetadataItem_Static.cs
- TaskFileService.cs
- PageStatePersister.cs
- SqlMethodTransformer.cs
- DriveInfo.cs
- PermissionListSet.cs
- JavaScriptObjectDeserializer.cs
- Stroke.cs
- SafeRightsManagementEnvironmentHandle.cs
- MatrixIndependentAnimationStorage.cs
- XmlAtomErrorReader.cs
- TaskFormBase.cs
- CircleEase.cs
- ExtensionDataReader.cs
- PositiveTimeSpanValidatorAttribute.cs
- Events.cs
- InfoCardRSAPKCS1SignatureDeformatter.cs
- WebGetAttribute.cs
- BookmarkTable.cs
- ValidationErrorCollection.cs
- PartialList.cs
- EpmAttributeNameBuilder.cs
- ExceptionHandlers.cs
- SafeLibraryHandle.cs
- DataRowChangeEvent.cs
- formatter.cs