Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / Animation / KeySplineConverter.cs / 1 / KeySplineConverter.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2001-2003 // // File: KeySplineConverter.cs //----------------------------------------------------------------------------- // Allow suppression of certain presharp messages #pragma warning disable 1634, 1691 using MS.Internal; using System; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Globalization; using System.Reflection; using System.Windows.Media.Animation; using System.Security; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows { ////// PointConverter - Converter class for converting instances of other types to Point instances /// ///public class KeySplineConverter : TypeConverter { /// /// CanConvertFrom - Returns whether or not this class can convert from a given type /// ///public override bool CanConvertFrom(ITypeDescriptorContext typeDescriptor, Type destinationType) { if (destinationType == typeof(string)) { return true; } else { return false; } } /// /// TypeConverter method override. /// /// ITypeDescriptorContext /// Type to convert to ///true if conversion is possible ///public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if ( destinationType == typeof(InstanceDescriptor) || destinationType == typeof(string)) { return true; } else { return false; } } /// /// ConvertFrom /// public override object ConvertFrom( ITypeDescriptorContext context, CultureInfo cultureInfo, object value) { string stringValue = value as string; if (value == null) { throw new NotSupportedException(SR.Get(SRID.Converter_ConvertFromNotSupported)); } TokenizerHelper th = new TokenizerHelper(stringValue, cultureInfo); return new KeySpline( Convert.ToDouble(th.NextTokenRequired(), cultureInfo), Convert.ToDouble(th.NextTokenRequired(), cultureInfo), Convert.ToDouble(th.NextTokenRequired(), cultureInfo), Convert.ToDouble(th.NextTokenRequired(), cultureInfo)); } ////// TypeConverter method implementation. /// /// ITypeDescriptorContext /// current culture (see CLR specs), null is a valid value /// value to convert from /// Type to convert to ///converted value ////// /// Critical: calls InstanceDescriptor ctor which LinkDemands /// PublicOK: can only make an InstanceDescriptor for KeySpline, not an arbitrary class /// [SecurityCritical] public override object ConvertTo( ITypeDescriptorContext context, CultureInfo cultureInfo, object value, Type destinationType) { KeySpline keySpline = value as KeySpline; if (keySpline != null && destinationType != null) { if (destinationType == typeof(InstanceDescriptor)) { ConstructorInfo ci = typeof(KeySpline).GetConstructor(new Type[] { typeof(double), typeof(double), typeof(double), typeof(double) }); return new InstanceDescriptor(ci, new object[] { keySpline.ControlPoint1.X, keySpline.ControlPoint1.Y, keySpline.ControlPoint2.X, keySpline.ControlPoint2.Y }); } else if (destinationType == typeof(string)) { #pragma warning disable 56506 // Suppress presharp warning: Parameter 'cultureInfo.TextInfo' to this public method must be validated: A null-dereference can occur here. return String.Format( cultureInfo, "{0}{4}{1}{4}{2}{4}{3}", keySpline.ControlPoint1.X, keySpline.ControlPoint1.Y, keySpline.ControlPoint2.X, keySpline.ControlPoint2.Y, cultureInfo != null ? cultureInfo.TextInfo.ListSeparator : CultureInfo.InvariantCulture.TextInfo.ListSeparator); #pragma warning restore 56506 } } // Pass unhandled cases to base class (which will throw exceptions for null value or destinationType.) return base.ConvertTo(context, cultureInfo, value, destinationType); } } } // 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
- PasswordTextContainer.cs
- SqlClientMetaDataCollectionNames.cs
- ViewLoader.cs
- FunctionImportElement.cs
- SemaphoreSecurity.cs
- IOException.cs
- XmlDigitalSignatureProcessor.cs
- SchemaInfo.cs
- WindowInteractionStateTracker.cs
- PrintControllerWithStatusDialog.cs
- QuaternionRotation3D.cs
- DependencyObjectType.cs
- UnsafeNativeMethods.cs
- XNodeValidator.cs
- HandlerBase.cs
- ManipulationCompletedEventArgs.cs
- OracleDateTime.cs
- DataGridViewRowEventArgs.cs
- LocalBuilder.cs
- CounterNameConverter.cs
- TabControlDesigner.cs
- _NetRes.cs
- SessionEndedEventArgs.cs
- CodeAttributeDeclaration.cs
- GridViewCommandEventArgs.cs
- BackEase.cs
- IListConverters.cs
- DependencyPropertyKind.cs
- CodeEventReferenceExpression.cs
- ScrollChrome.cs
- TextRangeEdit.cs
- BrushConverter.cs
- figurelengthconverter.cs
- MessagePartDescription.cs
- SystemUnicastIPAddressInformation.cs
- StackOverflowException.cs
- ContentOnlyMessage.cs
- ProxyGenerationError.cs
- SynchronizationContext.cs
- SettingsContext.cs
- KnownTypeDataContractResolver.cs
- DiagnosticsConfiguration.cs
- CustomValidator.cs
- DataViewListener.cs
- ProcessHostServerConfig.cs
- DetailsViewRow.cs
- BaseDataBoundControl.cs
- BitmapEffectInputData.cs
- HyperlinkAutomationPeer.cs
- DescendantOverDescendantQuery.cs
- MemberAccessException.cs
- Switch.cs
- Bitmap.cs
- EditorZoneAutoFormat.cs
- TCPListener.cs
- StrongNamePublicKeyBlob.cs
- WebServiceMethodData.cs
- ControlBindingsCollection.cs
- AssemblyBuilderData.cs
- LabelAutomationPeer.cs
- GlobalizationSection.cs
- CheckBoxAutomationPeer.cs
- ClickablePoint.cs
- QueryParameter.cs
- MembershipUser.cs
- DeclarativeCatalogPart.cs
- COM2PropertyDescriptor.cs
- TypeUsageBuilder.cs
- InputLanguage.cs
- AudioFileOut.cs
- TableRowCollection.cs
- NonBatchDirectoryCompiler.cs
- TimerElapsedEvenArgs.cs
- Point.cs
- hresults.cs
- EtwTrackingBehavior.cs
- BitmapEffectInputData.cs
- DataGridState.cs
- CallContext.cs
- SqlRemoveConstantOrderBy.cs
- SectionVisual.cs
- DownloadProgressEventArgs.cs
- SocketAddress.cs
- StackOverflowException.cs
- SafeArrayRankMismatchException.cs
- TreeNodeBindingDepthConverter.cs
- ByteViewer.cs
- SqlBulkCopy.cs
- DataGridViewColumn.cs
- SymbolUsageManager.cs
- StretchValidation.cs
- ConstraintConverter.cs
- sqlpipe.cs
- JavascriptCallbackResponseProperty.cs
- EnumBuilder.cs
- AutomationEventArgs.cs
- TcpTransportSecurityElement.cs
- AutomationPeer.cs
- SQLDecimal.cs
- HttpProfileGroupBase.cs