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 / 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. //------------------------------------------------------------------------------ // 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
- WindowsFormsSectionHandler.cs
- Vector3dCollection.cs
- Rule.cs
- ServiceOperationHelpers.cs
- sqlser.cs
- FolderBrowserDialogDesigner.cs
- DataGridViewColumnConverter.cs
- ScrollableControlDesigner.cs
- WebMessageEncodingBindingElement.cs
- CryptoSession.cs
- PropertyItem.cs
- ITextView.cs
- hresults.cs
- Vector3DConverter.cs
- GeometryHitTestResult.cs
- ValueType.cs
- NameValuePermission.cs
- UpdatePanelControlTrigger.cs
- AmbientValueAttribute.cs
- QilScopedVisitor.cs
- RuntimeConfigLKG.cs
- ComponentRenameEvent.cs
- Propagator.Evaluator.cs
- Binding.cs
- ColumnBinding.cs
- CacheVirtualItemsEvent.cs
- WebPartPersonalization.cs
- InvokeGenerator.cs
- XamlParser.cs
- CultureMapper.cs
- EventData.cs
- XmlSchemaExternal.cs
- _FtpControlStream.cs
- SymLanguageType.cs
- PreloadHost.cs
- InputLangChangeRequestEvent.cs
- BinaryEditor.cs
- MessageBox.cs
- TextRenderer.cs
- StateMachineWorkflowDesigner.cs
- ProviderBase.cs
- StateRuntime.cs
- InternalBase.cs
- LeaseManager.cs
- DataListCommandEventArgs.cs
- WebPartZoneAutoFormat.cs
- TemplateControl.cs
- CharacterBufferReference.cs
- login.cs
- StringResourceManager.cs
- CryptoHandle.cs
- FileDialogCustomPlacesCollection.cs
- CryptoApi.cs
- DefaultAssemblyResolver.cs
- ColorConvertedBitmap.cs
- SubtreeProcessor.cs
- CachedBitmap.cs
- InputScopeManager.cs
- LoginName.cs
- RegexNode.cs
- ContainerActivationHelper.cs
- FormsAuthentication.cs
- ContextBase.cs
- TextStore.cs
- Rights.cs
- DispatcherTimer.cs
- BCryptSafeHandles.cs
- SqlOuterApplyReducer.cs
- Peer.cs
- ItemList.cs
- FixedPageAutomationPeer.cs
- Hex.cs
- UnicastIPAddressInformationCollection.cs
- ErrorProvider.cs
- MemoryFailPoint.cs
- VectorCollectionConverter.cs
- VectorValueSerializer.cs
- TypeNameParser.cs
- DesignerView.Commands.cs
- HuffModule.cs
- Accessible.cs
- InternalMappingException.cs
- UserUseLicenseDictionaryLoader.cs
- PrivilegeNotHeldException.cs
- DataGridAddNewRow.cs
- AVElementHelper.cs
- PrintDialog.cs
- Ray3DHitTestResult.cs
- RecipientInfo.cs
- NumberFormatter.cs
- RegionData.cs
- SqlFactory.cs
- DateTimeFormatInfo.cs
- BoolLiteral.cs
- TextOptions.cs
- EventLogLink.cs
- DataGridViewCellStyle.cs
- FontWeight.cs
- Span.cs
- ReflectionTypeLoadException.cs