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
- FormsAuthenticationConfiguration.cs
- TypeConverterValueSerializer.cs
- RequestQueue.cs
- columnmapkeybuilder.cs
- RegularExpressionValidator.cs
- GenericEnumerator.cs
- SelectionChangedEventArgs.cs
- autovalidator.cs
- NativeStructs.cs
- AutomationPeer.cs
- DataError.cs
- StructuredTypeEmitter.cs
- UpWmlMobileTextWriter.cs
- Permission.cs
- Panel.cs
- XPathNavigator.cs
- ReachVisualSerializer.cs
- ObjectConverter.cs
- XmlCharacterData.cs
- DebugHandleTracker.cs
- RelatedView.cs
- BinaryUtilClasses.cs
- HttpRuntimeSection.cs
- DataKeyCollection.cs
- Material.cs
- EntityPropertyMappingAttribute.cs
- StoreItemCollection.cs
- SHA1CryptoServiceProvider.cs
- CompositionCommandSet.cs
- WindowsRichEditRange.cs
- CodeGotoStatement.cs
- DrawingContext.cs
- SqlConnectionStringBuilder.cs
- DataGridViewLinkColumn.cs
- AdministrationHelpers.cs
- PropertySourceInfo.cs
- ConfigurationElementProperty.cs
- Triplet.cs
- Inflater.cs
- ParseElementCollection.cs
- HttpRuntimeSection.cs
- ListViewItemMouseHoverEvent.cs
- StreamSecurityUpgradeAcceptor.cs
- RijndaelManaged.cs
- RtfToXamlLexer.cs
- BuildProvidersCompiler.cs
- DesignColumn.cs
- AttachedPropertyBrowsableForTypeAttribute.cs
- Mutex.cs
- ClientBuildManager.cs
- XmlSchemaChoice.cs
- SmtpReplyReaderFactory.cs
- Drawing.cs
- GroupStyle.cs
- UnaryQueryOperator.cs
- DebuggerAttributes.cs
- XmlWrappingReader.cs
- DBBindings.cs
- OrderedDictionaryStateHelper.cs
- UmAlQuraCalendar.cs
- EntityDataSource.cs
- ValidateNames.cs
- ServiceElementCollection.cs
- ColumnMap.cs
- streamingZipPartStream.cs
- RenderData.cs
- Tokenizer.cs
- Thumb.cs
- SimpleWorkerRequest.cs
- FixedFindEngine.cs
- BitmapEffectGeneralTransform.cs
- RectConverter.cs
- Number.cs
- ThreadSafeList.cs
- BooleanFunctions.cs
- IInstanceTable.cs
- TextRangeEdit.cs
- RowToParametersTransformer.cs
- TextRunCache.cs
- AppSettingsExpressionBuilder.cs
- KoreanLunisolarCalendar.cs
- WebConfigurationManager.cs
- DropDownButton.cs
- BitmapDecoder.cs
- XmlValueConverter.cs
- GridViewDeleteEventArgs.cs
- WebPartVerb.cs
- TextSelectionHelper.cs
- _SslSessionsCache.cs
- WizardStepBase.cs
- QilGeneratorEnv.cs
- CellParagraph.cs
- LocalizableAttribute.cs
- BindingExpression.cs
- UncommonField.cs
- M3DUtil.cs
- ExceptionUtil.cs
- xsdvalidator.cs
- ImageCollectionEditor.cs
- OdbcException.cs