Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Input / Command / MouseActionConverter.cs / 1 / 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(culture); 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
- AxisAngleRotation3D.cs
- COM2ExtendedTypeConverter.cs
- StylusCaptureWithinProperty.cs
- Annotation.cs
- DebugView.cs
- IsolatedStorageException.cs
- DSASignatureFormatter.cs
- SystemNetHelpers.cs
- DynamicDiscoveryDocument.cs
- WindowsGraphics2.cs
- ProcessProtocolHandler.cs
- AdapterDictionary.cs
- DllNotFoundException.cs
- iisPickupDirectory.cs
- TransformedBitmap.cs
- WebConfigurationHost.cs
- Translator.cs
- FileNotFoundException.cs
- ObjectSet.cs
- XmlTextAttribute.cs
- MemberNameValidator.cs
- KeyInfo.cs
- StorageMappingItemCollection.cs
- ListMarkerSourceInfo.cs
- OutOfProcStateClientManager.cs
- DbDataAdapter.cs
- Int16Storage.cs
- DeflateInput.cs
- Application.cs
- XmlStreamStore.cs
- grammarelement.cs
- IPHostEntry.cs
- FixedSOMElement.cs
- Mutex.cs
- IPAddressCollection.cs
- NamedPipeDuplicateContext.cs
- TimerEventSubscriptionCollection.cs
- SizeFConverter.cs
- SoapFault.cs
- Base64Stream.cs
- RangeContentEnumerator.cs
- TextEditorSelection.cs
- CommandBindingCollection.cs
- FontFamilyConverter.cs
- AuthenticatedStream.cs
- TextCollapsingProperties.cs
- FastPropertyAccessor.cs
- CommentGlyph.cs
- Tokenizer.cs
- RoleService.cs
- IteratorFilter.cs
- Bookmark.cs
- ClaimComparer.cs
- HtmlTitle.cs
- PeerNameRegistration.cs
- HandlerBase.cs
- WebSysDisplayNameAttribute.cs
- ServerValidateEventArgs.cs
- HeaderUtility.cs
- DefaultHttpHandler.cs
- XPathAxisIterator.cs
- ChameleonKey.cs
- CommandBindingCollection.cs
- WindowInteractionStateTracker.cs
- XmlAnyAttributeAttribute.cs
- AutomationPeer.cs
- HashMembershipCondition.cs
- HtmlInputCheckBox.cs
- ThreadLocal.cs
- HuffModule.cs
- Native.cs
- MemberMemberBinding.cs
- ReadOnlyHierarchicalDataSourceView.cs
- CodeGeneratorAttribute.cs
- XmlSchemas.cs
- InstanceCompleteException.cs
- StrokeRenderer.cs
- DataControlFieldCollection.cs
- SystemDropShadowChrome.cs
- ConnectionPoolManager.cs
- SQLCharsStorage.cs
- HScrollProperties.cs
- SslStream.cs
- StreamBodyWriter.cs
- WebBrowserContainer.cs
- webclient.cs
- ThicknessAnimationUsingKeyFrames.cs
- ByteConverter.cs
- RenamedEventArgs.cs
- TableRow.cs
- QilStrConcat.cs
- Int32.cs
- XmlSchemaAnnotated.cs
- PerfCounterSection.cs
- XmlnsDictionary.cs
- ScriptManager.cs
- MsmqIntegrationInputMessage.cs
- WebEvents.cs
- FormViewPageEventArgs.cs
- ComplexPropertyEntry.cs