Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / MS / Internal / Ink / ISFClipboardData.cs / 1 / ISFClipboardData.cs
//---------------------------------------------------------------------------- // // File: ISFClipboardData.cs // // Description: // A class which can convert the clipboard data from/to StrokeCollection // // Features: // // History: // 11/17/2004 waynezen: Created // // Copyright (C) 2001 by Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.IO; using System.Windows; using System.Windows.Controls; using System.Windows.Ink; using System.Security; using System.Security.Permissions; namespace MS.Internal.Ink { internal class ISFClipboardData : ClipboardData { //------------------------------------------------------------------------------- // // Constructors // //------------------------------------------------------------------------------- #region Constructors // The default constructor internal ISFClipboardData() { } // The constructor which takes StrokeCollection argument internal ISFClipboardData(StrokeCollection strokes) { _strokes = strokes; } // Checks if the data can be pasted. internal override bool CanPaste(IDataObject dataObject) { return dataObject.GetDataPresent(StrokeCollection.InkSerializedFormat, false); } #endregion Constructors //-------------------------------------------------------------------------------- // // Protected Methods // //------------------------------------------------------------------------------- #region Protected Methods // Checks if there is stroke data in this instance protected override bool CanCopy() { return (Strokes != null && Strokes.Count != 0); } // Copies the internal strokes to the IDataObject ////// Critical: This code asserts to set data on a data object /// [SecurityCritical] protected override void DoCopy(IDataObject dataObject) { // samgeo - Presharp issue // Presharp gives a warning when local IDisposable variables are not closed // in this case, we can't call Dispose since it will also close the underlying stream // which needs to be open for consumers to read #pragma warning disable 1634, 1691 #pragma warning disable 6518 // Save the data in the data object. MemoryStream stream = new MemoryStream(); Strokes.Save(stream); stream.Position = 0; (new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();//BlessedAssert try { dataObject.SetData(StrokeCollection.InkSerializedFormat, stream); } finally { UIPermission.RevertAssert(); } #pragma warning restore 6518 #pragma warning restore 1634, 1691 } // Retrieves the stroks from the IDataObject protected override void DoPaste(IDataObject dataObject) { // Check if we have ink data MemoryStream stream = dataObject.GetData(StrokeCollection.InkSerializedFormat) as MemoryStream; StrokeCollection newStrokes = null; bool fSucceeded = false; if ( stream != null && stream != Stream.Null ) { try { // Now add these ink strokes to the InkCanvas ink collection. newStrokes = new StrokeCollection(stream); fSucceeded = true; } catch ( ArgumentException ) { // If an invalid stream was passed in, we should get ArgumentException here. // We catch this specific exception and eat it. fSucceeded = false; } } // Depending on whether we are succeeded or not, we set the correct stroke collection here. _strokes = fSucceeded ? newStrokes : new StrokeCollection(); } #endregion Protected Methods //-------------------------------------------------------------------------------- // // Internal Properties // //-------------------------------------------------------------------------------- #region Internal Properties // Gets the strokes internal StrokeCollection Strokes { get { return _strokes; } } #endregion Internal Properties //------------------------------------------------------------------------------- // // Private Fields // //-------------------------------------------------------------------------------- #region Private Fields StrokeCollection _strokes; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // // File: ISFClipboardData.cs // // Description: // A class which can convert the clipboard data from/to StrokeCollection // // Features: // // History: // 11/17/2004 waynezen: Created // // Copyright (C) 2001 by Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.IO; using System.Windows; using System.Windows.Controls; using System.Windows.Ink; using System.Security; using System.Security.Permissions; namespace MS.Internal.Ink { internal class ISFClipboardData : ClipboardData { //------------------------------------------------------------------------------- // // Constructors // //------------------------------------------------------------------------------- #region Constructors // The default constructor internal ISFClipboardData() { } // The constructor which takes StrokeCollection argument internal ISFClipboardData(StrokeCollection strokes) { _strokes = strokes; } // Checks if the data can be pasted. internal override bool CanPaste(IDataObject dataObject) { return dataObject.GetDataPresent(StrokeCollection.InkSerializedFormat, false); } #endregion Constructors //-------------------------------------------------------------------------------- // // Protected Methods // //------------------------------------------------------------------------------- #region Protected Methods // Checks if there is stroke data in this instance protected override bool CanCopy() { return (Strokes != null && Strokes.Count != 0); } // Copies the internal strokes to the IDataObject ////// Critical: This code asserts to set data on a data object /// [SecurityCritical] protected override void DoCopy(IDataObject dataObject) { // samgeo - Presharp issue // Presharp gives a warning when local IDisposable variables are not closed // in this case, we can't call Dispose since it will also close the underlying stream // which needs to be open for consumers to read #pragma warning disable 1634, 1691 #pragma warning disable 6518 // Save the data in the data object. MemoryStream stream = new MemoryStream(); Strokes.Save(stream); stream.Position = 0; (new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();//BlessedAssert try { dataObject.SetData(StrokeCollection.InkSerializedFormat, stream); } finally { UIPermission.RevertAssert(); } #pragma warning restore 6518 #pragma warning restore 1634, 1691 } // Retrieves the stroks from the IDataObject protected override void DoPaste(IDataObject dataObject) { // Check if we have ink data MemoryStream stream = dataObject.GetData(StrokeCollection.InkSerializedFormat) as MemoryStream; StrokeCollection newStrokes = null; bool fSucceeded = false; if ( stream != null && stream != Stream.Null ) { try { // Now add these ink strokes to the InkCanvas ink collection. newStrokes = new StrokeCollection(stream); fSucceeded = true; } catch ( ArgumentException ) { // If an invalid stream was passed in, we should get ArgumentException here. // We catch this specific exception and eat it. fSucceeded = false; } } // Depending on whether we are succeeded or not, we set the correct stroke collection here. _strokes = fSucceeded ? newStrokes : new StrokeCollection(); } #endregion Protected Methods //-------------------------------------------------------------------------------- // // Internal Properties // //-------------------------------------------------------------------------------- #region Internal Properties // Gets the strokes internal StrokeCollection Strokes { get { return _strokes; } } #endregion Internal Properties //------------------------------------------------------------------------------- // // Private Fields // //-------------------------------------------------------------------------------- #region Private Fields StrokeCollection _strokes; #endregion Private Fields } } // 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
- SqlConnection.cs
- TextWriter.cs
- _SecureChannel.cs
- Size3DValueSerializer.cs
- WebPartConnectVerb.cs
- RuntimeCompatibilityAttribute.cs
- CallId.cs
- ClientEventManager.cs
- ArgumentNullException.cs
- _NetRes.cs
- OpCellTreeNode.cs
- ImageAttributes.cs
- XmlSchemaSimpleContentExtension.cs
- XPathParser.cs
- OciLobLocator.cs
- DownloadProgressEventArgs.cs
- PropertyInformation.cs
- EventRecord.cs
- ThicknessAnimationUsingKeyFrames.cs
- BitConverter.cs
- SymDocumentType.cs
- MatchAllMessageFilter.cs
- UnsafeNativeMethods.cs
- Expressions.cs
- Light.cs
- Viewport3DAutomationPeer.cs
- TypeBinaryExpression.cs
- PropertyDescriptorGridEntry.cs
- EventListener.cs
- ContextMenu.cs
- LostFocusEventManager.cs
- ColumnMapCopier.cs
- ComPlusInstanceProvider.cs
- ValidationErrorEventArgs.cs
- MemoryStream.cs
- ResXFileRef.cs
- ReachSerializationUtils.cs
- HScrollBar.cs
- keycontainerpermission.cs
- TdsParser.cs
- DescendantOverDescendantQuery.cs
- MailHeaderInfo.cs
- PageAsyncTask.cs
- GeneralTransformGroup.cs
- XmlDomTextWriter.cs
- ObservableCollection.cs
- MessageDecoder.cs
- HttpContextServiceHost.cs
- ScalarType.cs
- PngBitmapEncoder.cs
- WizardPanelChangingEventArgs.cs
- SyntaxCheck.cs
- ActivityInterfaces.cs
- PersonalizationState.cs
- Matrix3D.cs
- DirectoryNotFoundException.cs
- GenericTypeParameterBuilder.cs
- ReferentialConstraint.cs
- DES.cs
- RoutedCommand.cs
- DesignTimeResourceProviderFactoryAttribute.cs
- ConstructorNeedsTagAttribute.cs
- IsolationInterop.cs
- EmptyQuery.cs
- AVElementHelper.cs
- SimpleBitVector32.cs
- NativeMethods.cs
- RealProxy.cs
- WindowsScrollBar.cs
- ViewStateModeByIdAttribute.cs
- TypeExtensionConverter.cs
- DocumentOrderComparer.cs
- HtmlInputCheckBox.cs
- _SSPISessionCache.cs
- DatePicker.cs
- InputLangChangeEvent.cs
- SiteMapNodeItem.cs
- AsmxEndpointPickerExtension.cs
- DataGridViewRowPrePaintEventArgs.cs
- SqlPersonalizationProvider.cs
- ListBoxItemAutomationPeer.cs
- StringValueConverter.cs
- bindurihelper.cs
- FixedHighlight.cs
- StrongNameIdentityPermission.cs
- DNS.cs
- CompModSwitches.cs
- FlowDocument.cs
- ImageClickEventArgs.cs
- JsonGlobals.cs
- AppAction.cs
- MultipartContentParser.cs
- CorrelationManager.cs
- TcpHostedTransportConfiguration.cs
- BasicBrowserDialog.cs
- AutoGeneratedField.cs
- MailWriter.cs
- ChannelEndpointElement.cs
- XmlCharacterData.cs
- EUCJPEncoding.cs