Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Input / Command / MouseActionConverter.cs / 1305600 / MouseActionConverter.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: MouseActionConverter - Converts a MouseAction string // to the *Type* that the string represents // // // History: // 05/01/2003 : Chandrasekhar Rentachintala - Created // //--------------------------------------------------------------------------- using System; using System.ComponentModel; // for TypeConverter using System.Globalization; // for CultureInfo using System.Reflection; using MS.Internal; using System.Windows; using System.Windows.Input; using MS.Utility; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Input { ////// MouseAction - Converter class for converting between a string and the Type of a MouseAction /// public class MouseActionConverter : TypeConverter { ////// CanConvertFrom - Used to check whether we can convert a string into a MouseAction /// ///ITypeDescriptorContext ///type to convert from ///true if the given type can be converted, false otherwise public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { // We can only handle string. if (sourceType == 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) { // We can convert to an InstanceDescriptor or to a string. if (destinationType == typeof(string)) { // When invoked by the serialization engine we can convert to string only for known type if (context != null && context.Instance != null) { return (MouseActionConverter.IsDefinedMouseAction((MouseAction)context.Instance)); } } return false; } ////// ConvertFrom() /// /// Parser Context /// Culture Info /// MouseAction String ///public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object source) { if (source != null && source is string) { string mouseActionToken = ((string)source).Trim(); mouseActionToken = mouseActionToken.ToUpper(CultureInfo.InvariantCulture); if (mouseActionToken == String.Empty) return MouseAction.None; MouseAction mouseAction = MouseAction.None; switch (mouseActionToken) { case "LEFTCLICK" : mouseAction = MouseAction.LeftClick; break; case "RIGHTCLICK" : mouseAction = MouseAction.RightClick; break; case "MIDDLECLICK" : mouseAction = MouseAction.MiddleClick; break; case "WHEELCLICK" : mouseAction = MouseAction.WheelClick; break; case "LEFTDOUBLECLICK" : mouseAction = MouseAction.LeftDoubleClick; break; case "RIGHTDOUBLECLICK" : mouseAction = MouseAction.RightDoubleClick; break; case "MIDDLEDOUBLECLICK": mouseAction = MouseAction.MiddleDoubleClick; break; default : throw new NotSupportedException(SR.Get(SRID.Unsupported_MouseAction, mouseActionToken)); } return mouseAction; } throw GetConvertFromException(source); } /// /// ConvertTo() /// /// Serialization Context /// Culture Info /// MouseAction value /// Type to Convert ///string if parameter is a MouseAction public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == null) throw new ArgumentNullException("destinationType"); if (destinationType == typeof(string) && value != null) { MouseAction mouseActionValue = (MouseAction)value ; if (MouseActionConverter.IsDefinedMouseAction(mouseActionValue)) { string mouseAction = null; switch (mouseActionValue) { case MouseAction.None : mouseAction=String.Empty; break; case MouseAction.LeftClick : mouseAction="LeftClick"; break; case MouseAction.RightClick : mouseAction="RightClick"; break; case MouseAction.MiddleClick : mouseAction="MiddleClick"; break; case MouseAction.WheelClick : mouseAction="WheelClick"; break; case MouseAction.LeftDoubleClick : mouseAction="LeftDoubleClick"; break; case MouseAction.RightDoubleClick : mouseAction="RightDoubleClick"; break; case MouseAction.MiddleDoubleClick: mouseAction="MiddleDoubleClick"; break; } if (mouseAction != null) return mouseAction; } throw new InvalidEnumArgumentException("value", (int)mouseActionValue, typeof(MouseAction)); } throw GetConvertToException(value,destinationType); } // Helper like Enum.IsDefined, for MouseAction. internal static bool IsDefinedMouseAction(MouseAction mouseAction) { return (mouseAction >= MouseAction.None && mouseAction <= MouseAction.MiddleDoubleClick); } } } // 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
- DoWorkEventArgs.cs
- TreeNodeConverter.cs
- SmtpReplyReader.cs
- HwndAppCommandInputProvider.cs
- CannotUnloadAppDomainException.cs
- PartialCachingControl.cs
- CompositeKey.cs
- StringArrayConverter.cs
- ViewKeyConstraint.cs
- XmlMembersMapping.cs
- ResourceReferenceExpression.cs
- SafeHandle.cs
- SystemInformation.cs
- LayoutEngine.cs
- RenameRuleObjectDialog.Designer.cs
- RecordBuilder.cs
- DataObject.cs
- TypeSystem.cs
- ClientSideProviderDescription.cs
- HashSetEqualityComparer.cs
- SHA256Managed.cs
- oledbmetadatacollectionnames.cs
- CatalogPartChrome.cs
- ErrorReporting.cs
- SeekableReadStream.cs
- SelectedDatesCollection.cs
- XmlSubtreeReader.cs
- OleDbConnection.cs
- SystemThemeKey.cs
- TabControlCancelEvent.cs
- MaskDesignerDialog.cs
- ProjectionCamera.cs
- XmlAttributeHolder.cs
- OracleFactory.cs
- HttpModuleActionCollection.cs
- ExpressionList.cs
- XmlSchemaChoice.cs
- UnescapedXmlDiagnosticData.cs
- CurrentChangingEventArgs.cs
- SqlCachedBuffer.cs
- OleDbMetaDataFactory.cs
- DbProviderServices.cs
- NumberFunctions.cs
- ValidatorCollection.cs
- ResourceReferenceExpression.cs
- _LocalDataStoreMgr.cs
- Timer.cs
- ReferencedCollectionType.cs
- XmlFileEditor.cs
- DetailsViewRow.cs
- StylusPlugInCollection.cs
- XmlDocumentType.cs
- ColorInterpolationModeValidation.cs
- PermissionToken.cs
- CustomError.cs
- WebEvents.cs
- ProjectionPruner.cs
- Style.cs
- ListControl.cs
- DateTimeHelper.cs
- GlobalizationAssembly.cs
- DifferencingCollection.cs
- CommaDelimitedStringAttributeCollectionConverter.cs
- BlurEffect.cs
- GetWinFXPath.cs
- IisTraceListener.cs
- MsmqIntegrationBindingCollectionElement.cs
- Configuration.cs
- GradientStop.cs
- HandoffBehavior.cs
- SafeSystemMetrics.cs
- ScriptingWebServicesSectionGroup.cs
- LoadRetryStrategyFactory.cs
- _AutoWebProxyScriptWrapper.cs
- ContainerParagraph.cs
- IdentityReference.cs
- InboundActivityHelper.cs
- DependencyObjectPropertyDescriptor.cs
- Point3DAnimation.cs
- TypeConverterHelper.cs
- AncestorChangedEventArgs.cs
- ObjectHandle.cs
- TextSelectionHelper.cs
- StyleXamlParser.cs
- TemplateField.cs
- DuplicateWaitObjectException.cs
- DataServiceQueryContinuation.cs
- Semaphore.cs
- LambdaCompiler.Generated.cs
- SmiSettersStream.cs
- Nullable.cs
- PrintControllerWithStatusDialog.cs
- TextTreePropertyUndoUnit.cs
- TaskHelper.cs
- SafeEventLogWriteHandle.cs
- DataSourceSerializationException.cs
- DataBindingCollection.cs
- HttpSessionStateWrapper.cs
- BrushValueSerializer.cs
- WindowsIPAddress.cs