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
- GPPOINT.cs
- NamespaceQuery.cs
- OrderedDictionary.cs
- Registration.cs
- SchemaConstraints.cs
- TextParagraph.cs
- DataGridViewColumnStateChangedEventArgs.cs
- NameNode.cs
- TextFindEngine.cs
- FocusWithinProperty.cs
- FillBehavior.cs
- SqlDataSourceFilteringEventArgs.cs
- SafeNativeMethods.cs
- AspNetPartialTrustHelpers.cs
- Separator.cs
- SearchForVirtualItemEventArgs.cs
- SqlPersistenceWorkflowInstanceDescription.cs
- Single.cs
- XPathDescendantIterator.cs
- OrderPreservingMergeHelper.cs
- RenderData.cs
- SingleQueryOperator.cs
- IncrementalReadDecoders.cs
- userdatakeys.cs
- ClientTargetSection.cs
- WebPartHeaderCloseVerb.cs
- BooleanAnimationUsingKeyFrames.cs
- RMEnrollmentPage1.cs
- SelectionRangeConverter.cs
- FormatterConverter.cs
- FlowDocumentScrollViewer.cs
- NavigationProperty.cs
- CopyOnWriteList.cs
- IntSecurity.cs
- GatewayDefinition.cs
- WSSecureConversationFeb2005.cs
- StreamUpdate.cs
- KnownBoxes.cs
- StringComparer.cs
- RandomNumberGenerator.cs
- FamilyMapCollection.cs
- AppSettingsSection.cs
- PageRanges.cs
- Marshal.cs
- AttachedPropertyBrowsableForChildrenAttribute.cs
- ThicknessConverter.cs
- PropertyRecord.cs
- Grammar.cs
- TransformPattern.cs
- XmlNamespaceDeclarationsAttribute.cs
- Imaging.cs
- InstanceValue.cs
- TrustManagerMoreInformation.cs
- WebUtil.cs
- XPathMultyIterator.cs
- IISMapPath.cs
- HtmlSelect.cs
- FontStyles.cs
- SineEase.cs
- ObjectSpanRewriter.cs
- SchemaNamespaceManager.cs
- FileSystemEventArgs.cs
- WorkflowTransactionOptions.cs
- TextBoxBase.cs
- TemplatePartAttribute.cs
- PageCodeDomTreeGenerator.cs
- ForwardPositionQuery.cs
- TableCellAutomationPeer.cs
- TypedDataSetSchemaImporterExtension.cs
- Dynamic.cs
- TransactionFilter.cs
- KeyInfo.cs
- Italic.cs
- Quad.cs
- SqlGenericUtil.cs
- CodeCatchClause.cs
- RightsManagementPermission.cs
- IdentityManager.cs
- CorrelationService.cs
- DataGridViewRowsAddedEventArgs.cs
- NotCondition.cs
- NumericUpDown.cs
- XPathQueryGenerator.cs
- DocumentPageViewAutomationPeer.cs
- NonParentingControl.cs
- EnumMember.cs
- AlternateView.cs
- CreateRefExpr.cs
- XPathChildIterator.cs
- SimpleBitVector32.cs
- BamlRecordWriter.cs
- XsltLibrary.cs
- BaseDataBoundControl.cs
- TextElementEnumerator.cs
- TextBox.cs
- BoolExpression.cs
- MissingMethodException.cs
- PtsCache.cs
- DeferredBinaryDeserializerExtension.cs
- TableRowGroup.cs