Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Input / Command / MouseGestureConverter.cs / 1305600 / MouseGestureConverter.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: MouseGestureConverter - Converts a MouseGesture 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; namespace System.Windows.Input { ////// MouseGesture - Converter class for converting between a string and the Type of a MouseGesture /// public class MouseGestureConverter : TypeConverter { private const char MODIFIERS_DELIMITER = '+' ; ////// CanConvertFrom() /// ///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; } } ////// ConvertFrom /// /// Parser Context /// Culture Info /// MouseGesture String ///public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object source) { if (source is string && source != null) { string fullName = ((string)source).Trim(); string mouseActionToken; string modifiersToken; if (fullName == String.Empty) return new MouseGesture(MouseAction.None, ModifierKeys.None); ; // break apart LocalName and Prefix int Offset = fullName.LastIndexOf(MODIFIERS_DELIMITER); if (Offset >= 0) { // modifiers exists modifiersToken = fullName.Substring(0,Offset); mouseActionToken = fullName.Substring(Offset + 1); } else { modifiersToken = String.Empty; mouseActionToken = fullName; } TypeConverter mouseActionConverter = TypeDescriptor.GetConverter(typeof(System.Windows.Input.MouseAction)); if (null != mouseActionConverter ) { object mouseAction = mouseActionConverter.ConvertFrom(context, culture, mouseActionToken); // mouseAction Converter will throw Exception, if it fails, // so we don't need to check once more for bogus // MouseAction values if (mouseAction != null) { if (modifiersToken != String.Empty) { TypeConverter modifierKeysConverter = TypeDescriptor.GetConverter(typeof(System.Windows.Input.ModifierKeys)); if (null != modifierKeysConverter) { object modifierKeys = modifierKeysConverter.ConvertFrom(context, culture, modifiersToken); if (modifierKeys != null && modifierKeys is ModifierKeys) { return new MouseGesture((MouseAction)mouseAction, (ModifierKeys)modifierKeys); } } } else { return new MouseGesture((MouseAction)mouseAction); } } } } throw GetConvertFromException(source); } /// ///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) { MouseGesture mouseGesture = context.Instance as MouseGesture; if (mouseGesture != null) { return (ModifierKeysConverter.IsDefinedModifierKeys(mouseGesture.Modifiers) && MouseActionConverter.IsDefinedMouseAction(mouseGesture.MouseAction)); } } } return false; } ////// ConvertTo() /// /// Serialization Context /// Culture Info /// MouseGesture value /// Type to Convert ///string if parameter is a MouseGesture public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == null) throw new ArgumentNullException("destinationType"); if (destinationType == typeof(string)) { if (value == null) return String.Empty; MouseGesture mouseGesture = value as MouseGesture; if (mouseGesture != null) { string strGesture = ""; TypeConverter modifierKeysConverter = TypeDescriptor.GetConverter(typeof(System.Windows.Input.ModifierKeys)); if (null != modifierKeysConverter) { strGesture += modifierKeysConverter.ConvertTo(context, culture, mouseGesture.Modifiers, destinationType) as string; if (strGesture != String.Empty) { strGesture += MODIFIERS_DELIMITER ; } } TypeConverter mouseActionConverter = TypeDescriptor.GetConverter(typeof(System.Windows.Input.MouseAction)); if (null != mouseActionConverter) { strGesture += mouseActionConverter.ConvertTo(context, culture, mouseGesture.MouseAction, destinationType) as string; } return strGesture; } } throw GetConvertToException(value,destinationType); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: MouseGestureConverter - Converts a MouseGesture 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; namespace System.Windows.Input { ////// MouseGesture - Converter class for converting between a string and the Type of a MouseGesture /// public class MouseGestureConverter : TypeConverter { private const char MODIFIERS_DELIMITER = '+' ; ////// CanConvertFrom() /// ///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; } } ////// ConvertFrom /// /// Parser Context /// Culture Info /// MouseGesture String ///public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object source) { if (source is string && source != null) { string fullName = ((string)source).Trim(); string mouseActionToken; string modifiersToken; if (fullName == String.Empty) return new MouseGesture(MouseAction.None, ModifierKeys.None); ; // break apart LocalName and Prefix int Offset = fullName.LastIndexOf(MODIFIERS_DELIMITER); if (Offset >= 0) { // modifiers exists modifiersToken = fullName.Substring(0,Offset); mouseActionToken = fullName.Substring(Offset + 1); } else { modifiersToken = String.Empty; mouseActionToken = fullName; } TypeConverter mouseActionConverter = TypeDescriptor.GetConverter(typeof(System.Windows.Input.MouseAction)); if (null != mouseActionConverter ) { object mouseAction = mouseActionConverter.ConvertFrom(context, culture, mouseActionToken); // mouseAction Converter will throw Exception, if it fails, // so we don't need to check once more for bogus // MouseAction values if (mouseAction != null) { if (modifiersToken != String.Empty) { TypeConverter modifierKeysConverter = TypeDescriptor.GetConverter(typeof(System.Windows.Input.ModifierKeys)); if (null != modifierKeysConverter) { object modifierKeys = modifierKeysConverter.ConvertFrom(context, culture, modifiersToken); if (modifierKeys != null && modifierKeys is ModifierKeys) { return new MouseGesture((MouseAction)mouseAction, (ModifierKeys)modifierKeys); } } } else { return new MouseGesture((MouseAction)mouseAction); } } } } throw GetConvertFromException(source); } /// ///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) { MouseGesture mouseGesture = context.Instance as MouseGesture; if (mouseGesture != null) { return (ModifierKeysConverter.IsDefinedModifierKeys(mouseGesture.Modifiers) && MouseActionConverter.IsDefinedMouseAction(mouseGesture.MouseAction)); } } } return false; } ////// ConvertTo() /// /// Serialization Context /// Culture Info /// MouseGesture value /// Type to Convert ///string if parameter is a MouseGesture public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == null) throw new ArgumentNullException("destinationType"); if (destinationType == typeof(string)) { if (value == null) return String.Empty; MouseGesture mouseGesture = value as MouseGesture; if (mouseGesture != null) { string strGesture = ""; TypeConverter modifierKeysConverter = TypeDescriptor.GetConverter(typeof(System.Windows.Input.ModifierKeys)); if (null != modifierKeysConverter) { strGesture += modifierKeysConverter.ConvertTo(context, culture, mouseGesture.Modifiers, destinationType) as string; if (strGesture != String.Empty) { strGesture += MODIFIERS_DELIMITER ; } } TypeConverter mouseActionConverter = TypeDescriptor.GetConverter(typeof(System.Windows.Input.MouseAction)); if (null != mouseActionConverter) { strGesture += mouseActionConverter.ConvertTo(context, culture, mouseGesture.MouseAction, destinationType) as string; } return strGesture; } } throw GetConvertToException(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
- PackWebRequest.cs
- NamespaceEmitter.cs
- QuaternionValueSerializer.cs
- GacUtil.cs
- XmlConverter.cs
- XsltContext.cs
- EmptyElement.cs
- webclient.cs
- Stackframe.cs
- xsdvalidator.cs
- PropertyEntry.cs
- SelectionEditingBehavior.cs
- BitmapEffectInput.cs
- SQLUtility.cs
- VectorValueSerializer.cs
- IsolatedStorageException.cs
- SerializeAbsoluteContext.cs
- HttpPostLocalhostServerProtocol.cs
- Utilities.cs
- CachedFontFace.cs
- SpinWait.cs
- WebHttpDispatchOperationSelector.cs
- ErrorRuntimeConfig.cs
- ListControlActionList.cs
- DataGridTextBoxColumn.cs
- TextWriter.cs
- EDesignUtil.cs
- RoleGroupCollectionEditor.cs
- ControlIdConverter.cs
- NetworkAddressChange.cs
- NetworkInterface.cs
- SafeHandles.cs
- TextRange.cs
- CompositeDataBoundControl.cs
- sapiproxy.cs
- ScriptingJsonSerializationSection.cs
- TimelineCollection.cs
- LineUtil.cs
- OpCodes.cs
- sqlpipe.cs
- CapabilitiesSection.cs
- ZipIOCentralDirectoryDigitalSignature.cs
- HttpGetProtocolImporter.cs
- ContainerVisual.cs
- DynamicQueryableWrapper.cs
- SafeRegistryHandle.cs
- PrinterUnitConvert.cs
- DecimalAnimationBase.cs
- SslStream.cs
- CopyAction.cs
- TypeForwardedToAttribute.cs
- CodeMemberProperty.cs
- WindowsAltTab.cs
- KoreanLunisolarCalendar.cs
- TextCompositionManager.cs
- CapabilitiesPattern.cs
- BaseTemplateCodeDomTreeGenerator.cs
- SHA256.cs
- DataGridViewCellValidatingEventArgs.cs
- FileReader.cs
- StrokeNode.cs
- SmiContext.cs
- MessageSmuggler.cs
- InputScopeAttribute.cs
- XmlComment.cs
- OleDbEnumerator.cs
- WebSysDisplayNameAttribute.cs
- SaveFileDialog.cs
- ObjectStateFormatter.cs
- AndMessageFilterTable.cs
- SerializationStore.cs
- ObjectQuery.cs
- XmlElementCollection.cs
- IgnoreFlushAndCloseStream.cs
- UnsafeNativeMethods.cs
- Ref.cs
- OleDbPropertySetGuid.cs
- InputLanguageSource.cs
- DoubleConverter.cs
- BindStream.cs
- ProfileModule.cs
- infer.cs
- PropertyRecord.cs
- XDeferredAxisSource.cs
- SafeFindHandle.cs
- PolicyChain.cs
- MediaPlayer.cs
- BrowserDefinition.cs
- CharUnicodeInfo.cs
- LocatorManager.cs
- HttpCookieCollection.cs
- _ConnectionGroup.cs
- TranslateTransform.cs
- FontResourceCache.cs
- QueueException.cs
- TableCell.cs
- DispatcherEventArgs.cs
- AsymmetricAlgorithm.cs
- ElementAction.cs
- SerializationInfo.cs