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
- DocumentOrderQuery.cs
- DynamicPhysicalDiscoSearcher.cs
- CodeSubDirectoriesCollection.cs
- ExpressionBuilderContext.cs
- ObjectItemConventionAssemblyLoader.cs
- XmlObjectSerializerReadContextComplex.cs
- RawStylusInputCustomDataList.cs
- TreeViewCancelEvent.cs
- GroupBoxAutomationPeer.cs
- SmtpTransport.cs
- HebrewCalendar.cs
- LineProperties.cs
- UIAgentRequest.cs
- CRYPTPROTECT_PROMPTSTRUCT.cs
- QilSortKey.cs
- PropertyGridDesigner.cs
- XmlnsPrefixAttribute.cs
- DirectoryRootQuery.cs
- TextEffectResolver.cs
- AppSettingsExpressionBuilder.cs
- UnsafeNativeMethods.cs
- SessionStateContainer.cs
- NativeMethods.cs
- BindingMAnagerBase.cs
- Stroke2.cs
- Control.cs
- ILGenerator.cs
- XmlSchemaInferenceException.cs
- LabelLiteral.cs
- KeyboardInputProviderAcquireFocusEventArgs.cs
- AspNetRouteServiceHttpHandler.cs
- QilDataSource.cs
- Select.cs
- DelayDesigner.cs
- CompiledIdentityConstraint.cs
- DataGridItemEventArgs.cs
- TransformDescriptor.cs
- SecurityChannel.cs
- ControlBindingsCollection.cs
- GPRECT.cs
- _AutoWebProxyScriptWrapper.cs
- RegexMatchCollection.cs
- HtmlSelect.cs
- SwitchLevelAttribute.cs
- CancellationToken.cs
- TemplateEditingFrame.cs
- uribuilder.cs
- SwitchAttribute.cs
- IChannel.cs
- PointConverter.cs
- TraceListener.cs
- Pair.cs
- ValidationHelper.cs
- XPathMultyIterator.cs
- ComEventsHelper.cs
- ContentPlaceHolder.cs
- ChildrenQuery.cs
- AutomationElement.cs
- CustomTrackingRecord.cs
- XmlSchemaRedefine.cs
- CustomError.cs
- Int16AnimationBase.cs
- KeySplineConverter.cs
- XamlToRtfParser.cs
- CompositeCollectionView.cs
- GenericTextProperties.cs
- Color.cs
- ModuleElement.cs
- ProfileService.cs
- IndexedEnumerable.cs
- DesignerSerializerAttribute.cs
- ApplicationInterop.cs
- figurelength.cs
- QueryStringParameter.cs
- OracleEncoding.cs
- MetadataCache.cs
- WebPartHeaderCloseVerb.cs
- X509SecurityTokenParameters.cs
- ViewManager.cs
- TraceContext.cs
- PeerPresenceInfo.cs
- entitydatasourceentitysetnameconverter.cs
- TextSpanModifier.cs
- PaintEvent.cs
- AttachedAnnotationChangedEventArgs.cs
- EventLogInternal.cs
- ValidatedMobileControlConverter.cs
- DataControlField.cs
- DocumentXPathNavigator.cs
- SynchronizationLockException.cs
- EntitySqlQueryCacheKey.cs
- SecurityUtils.cs
- NonVisualControlAttribute.cs
- TypeDependencyAttribute.cs
- TdsEnums.cs
- PolicyStatement.cs
- PathHelper.cs
- FixedSOMContainer.cs
- SqlDataSourceEnumerator.cs
- AffineTransform3D.cs