Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / System / Windows / Setter.cs / 1 / Setter.cs
/****************************************************************************\ * * File: Setter.cs * * TargetType property setting class. * * Copyright (C) 2004 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.ComponentModel; using System.Windows.Markup; #pragma warning disable 1634, 1691 // suppressing PreSharp warnings namespace System.Windows { ////// TargetType property setting class. /// public class Setter : SetterBase { ////// Property Setter construction - set everything to null or DependencyProperty.UnsetValue /// public Setter() { } ////// Property Setter construction - given property and value /// public Setter( DependencyProperty property, object value ) { Initialize( property, value, null ); } ////// Property Setter construction - given property, value, and string identifier for child node. /// public Setter( DependencyProperty property, object value, string targetName ) { Initialize( property, value, targetName ); } ////// Method that does all the initialization work for the constructors. /// private void Initialize( DependencyProperty property, object value, string target ) { if( value == DependencyProperty.UnsetValue ) { throw new ArgumentException(SR.Get(SRID.SetterValueCannotBeUnset)); } CheckValidProperty(property); // No null check for target since null is a valid value. _property = property; _value = value; _target = target; } private void CheckValidProperty( DependencyProperty property) { if (property == null) { throw new ArgumentNullException("property"); } if (property.ReadOnly) { // Read-only properties will not be consulting Style/Template/Trigger Setter for value. // Rather than silently do nothing, throw error. throw new ArgumentException(SR.Get(SRID.ReadOnlyPropertyNotAllowed, property.Name, GetType().Name)); } if( property == FrameworkElement.NameProperty) { throw new InvalidOperationException(SR.Get(SRID.CannotHavePropertyInStyle, FrameworkElement.NameProperty.Name)); } } ////// Seals this setter /// internal override void Seal() { // Do the validation that can't be done until we know all of the property // values. DependencyProperty dp = Property; object value = ValueInternal; if (dp == null) { throw new ArgumentException(SR.Get(SRID.NullPropertyIllegal, "Setter.Property")); } if( String.IsNullOrEmpty(TargetName)) { // Setter on container is not allowed to affect the StyleProperty. if (dp == FrameworkElement.StyleProperty) { throw new ArgumentException(SR.Get(SRID.StylePropertyInStyleNotAllowed)); } } // Value needs to be valid for the DP, or a deferred reference, or one of the supported // markup extensions. if (!dp.IsValidValue(value)) { // The only markup extensions supported by styles is resources and bindings. if (value is MarkupExtension) { if ( !(value is DynamicResourceExtension) && !(value is System.Windows.Data.BindingBase) ) { throw new ArgumentException(SR.Get(SRID.SetterValueOfMarkupExtensionNotSupported, value.GetType().Name)); } } else if (!(value is DeferredReference)) { throw new ArgumentException(SR.Get(SRID.InvalidSetterValue, value, dp.OwnerType, dp.Name)); } } // Styling the logical tree is not supported if (StyleHelper.IsStylingLogicalTree(dp, value)) { throw new NotSupportedException(SR.Get(SRID.ModifyingLogicalTreeViaStylesNotImplemented, value, "Setter.Value")); } // Freeze the value for the setter StyleHelper.SealIfSealable(_value); base.Seal(); } ////// Property that is being set by this setter /// [Ambient] [DefaultValue(null)] [Localizability(LocalizationCategory.None, Modifiability = Modifiability.Unmodifiable, Readability = Readability.Unreadable)] // Not localizable by-default public DependencyProperty Property { get { return _property; } set { CheckValidProperty(value); CheckSealed(); _property = value; } } ////// Property value that is being set by this setter /// [System.Windows.Markup.DependsOn("Property")] [System.Windows.Markup.DependsOn("TargetName")] [Localizability(LocalizationCategory.None, Readability = Readability.Unreadable)] // Not localizable by-default public object Value { get { // Inflate the deferred reference if the _value is one of those. DeferredReference deferredReference = _value as DeferredReference; if (deferredReference != null) { _value = deferredReference.GetValue(BaseValueSourceInternal.Unknown); } return _value; } set { if( value == DependencyProperty.UnsetValue ) { throw new ArgumentException(SR.Get(SRID.SetterValueCannotBeUnset)); } CheckSealed(); // No Expression support if( value is Expression ) { throw new ArgumentException(SR.Get(SRID.StyleValueOfExpressionNotSupported)); } _value = value; } } ////// Internal property used so that we obtain the value as /// is without having to inflate the DeferredReference. /// internal object ValueInternal { get { return _value; } } ////// When the set is directed at a child node, this string /// identifies the intended target child node. /// [DefaultValue(null)] public string TargetName { get { return _target; } set { // Setting to null is allowed, to clear out value. CheckSealed(); _target = value; } } private DependencyProperty _property = null; private object _value = DependencyProperty.UnsetValue; private string _target = null; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /****************************************************************************\ * * File: Setter.cs * * TargetType property setting class. * * Copyright (C) 2004 by Microsoft Corporation. All rights reserved. * \***************************************************************************/ using System; using System.ComponentModel; using System.Windows.Markup; #pragma warning disable 1634, 1691 // suppressing PreSharp warnings namespace System.Windows { ////// TargetType property setting class. /// public class Setter : SetterBase { ////// Property Setter construction - set everything to null or DependencyProperty.UnsetValue /// public Setter() { } ////// Property Setter construction - given property and value /// public Setter( DependencyProperty property, object value ) { Initialize( property, value, null ); } ////// Property Setter construction - given property, value, and string identifier for child node. /// public Setter( DependencyProperty property, object value, string targetName ) { Initialize( property, value, targetName ); } ////// Method that does all the initialization work for the constructors. /// private void Initialize( DependencyProperty property, object value, string target ) { if( value == DependencyProperty.UnsetValue ) { throw new ArgumentException(SR.Get(SRID.SetterValueCannotBeUnset)); } CheckValidProperty(property); // No null check for target since null is a valid value. _property = property; _value = value; _target = target; } private void CheckValidProperty( DependencyProperty property) { if (property == null) { throw new ArgumentNullException("property"); } if (property.ReadOnly) { // Read-only properties will not be consulting Style/Template/Trigger Setter for value. // Rather than silently do nothing, throw error. throw new ArgumentException(SR.Get(SRID.ReadOnlyPropertyNotAllowed, property.Name, GetType().Name)); } if( property == FrameworkElement.NameProperty) { throw new InvalidOperationException(SR.Get(SRID.CannotHavePropertyInStyle, FrameworkElement.NameProperty.Name)); } } ////// Seals this setter /// internal override void Seal() { // Do the validation that can't be done until we know all of the property // values. DependencyProperty dp = Property; object value = ValueInternal; if (dp == null) { throw new ArgumentException(SR.Get(SRID.NullPropertyIllegal, "Setter.Property")); } if( String.IsNullOrEmpty(TargetName)) { // Setter on container is not allowed to affect the StyleProperty. if (dp == FrameworkElement.StyleProperty) { throw new ArgumentException(SR.Get(SRID.StylePropertyInStyleNotAllowed)); } } // Value needs to be valid for the DP, or a deferred reference, or one of the supported // markup extensions. if (!dp.IsValidValue(value)) { // The only markup extensions supported by styles is resources and bindings. if (value is MarkupExtension) { if ( !(value is DynamicResourceExtension) && !(value is System.Windows.Data.BindingBase) ) { throw new ArgumentException(SR.Get(SRID.SetterValueOfMarkupExtensionNotSupported, value.GetType().Name)); } } else if (!(value is DeferredReference)) { throw new ArgumentException(SR.Get(SRID.InvalidSetterValue, value, dp.OwnerType, dp.Name)); } } // Styling the logical tree is not supported if (StyleHelper.IsStylingLogicalTree(dp, value)) { throw new NotSupportedException(SR.Get(SRID.ModifyingLogicalTreeViaStylesNotImplemented, value, "Setter.Value")); } // Freeze the value for the setter StyleHelper.SealIfSealable(_value); base.Seal(); } ////// Property that is being set by this setter /// [Ambient] [DefaultValue(null)] [Localizability(LocalizationCategory.None, Modifiability = Modifiability.Unmodifiable, Readability = Readability.Unreadable)] // Not localizable by-default public DependencyProperty Property { get { return _property; } set { CheckValidProperty(value); CheckSealed(); _property = value; } } ////// Property value that is being set by this setter /// [System.Windows.Markup.DependsOn("Property")] [System.Windows.Markup.DependsOn("TargetName")] [Localizability(LocalizationCategory.None, Readability = Readability.Unreadable)] // Not localizable by-default public object Value { get { // Inflate the deferred reference if the _value is one of those. DeferredReference deferredReference = _value as DeferredReference; if (deferredReference != null) { _value = deferredReference.GetValue(BaseValueSourceInternal.Unknown); } return _value; } set { if( value == DependencyProperty.UnsetValue ) { throw new ArgumentException(SR.Get(SRID.SetterValueCannotBeUnset)); } CheckSealed(); // No Expression support if( value is Expression ) { throw new ArgumentException(SR.Get(SRID.StyleValueOfExpressionNotSupported)); } _value = value; } } ////// Internal property used so that we obtain the value as /// is without having to inflate the DeferredReference. /// internal object ValueInternal { get { return _value; } } ////// When the set is directed at a child node, this string /// identifies the intended target child node. /// [DefaultValue(null)] public string TargetName { get { return _target; } set { // Setting to null is allowed, to clear out value. CheckSealed(); _target = value; } } private DependencyProperty _property = null; private object _value = DependencyProperty.UnsetValue; private string _target = null; } } // 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
- ExtenderControl.cs
- XamlSerializer.cs
- LookupBindingPropertiesAttribute.cs
- LateBoundBitmapDecoder.cs
- SqlIdentifier.cs
- ActivityCodeDomSerializationManager.cs
- AliasExpr.cs
- MarshalByValueComponent.cs
- SamlAttributeStatement.cs
- ReferenceEqualityComparer.cs
- PeerCollaboration.cs
- TimeSpan.cs
- TableLayoutColumnStyleCollection.cs
- StrongNamePublicKeyBlob.cs
- SharedPerformanceCounter.cs
- LessThanOrEqual.cs
- CacheRequest.cs
- InvalidContentTypeException.cs
- VerticalAlignConverter.cs
- AuthorizationRule.cs
- X509SecurityTokenAuthenticator.cs
- CodeComment.cs
- TraceListeners.cs
- Error.cs
- XmlDocumentViewSchema.cs
- VolatileEnlistmentState.cs
- SecurityContext.cs
- StylusShape.cs
- XmlArrayItemAttribute.cs
- UserControlDocumentDesigner.cs
- PropertyKey.cs
- PageSettings.cs
- ImageCodecInfo.cs
- ArcSegment.cs
- ZipIOExtraFieldZip64Element.cs
- StylusTip.cs
- MembershipSection.cs
- ToolStripButton.cs
- AutomationPeer.cs
- DesignerActionVerbList.cs
- ServiceKnownTypeAttribute.cs
- TdsParser.cs
- TraceLog.cs
- VBIdentifierDesigner.xaml.cs
- HtmlButton.cs
- JoinGraph.cs
- ProxyElement.cs
- XmlWhitespace.cs
- RTLAwareMessageBox.cs
- HttpListenerResponse.cs
- ContextMenu.cs
- ControlBuilder.cs
- BaseInfoTable.cs
- COM2PropertyDescriptor.cs
- DecimalKeyFrameCollection.cs
- FixedSOMFixedBlock.cs
- Application.cs
- Convert.cs
- RC2CryptoServiceProvider.cs
- AutomationPatternInfo.cs
- EventLogTraceListener.cs
- DatatypeImplementation.cs
- ProtocolViolationException.cs
- formatter.cs
- NavigationWindowAutomationPeer.cs
- HtmlEmptyTagControlBuilder.cs
- SqlTopReducer.cs
- HttpResponse.cs
- InheritedPropertyDescriptor.cs
- ApplicationManager.cs
- UnsafeNativeMethodsTablet.cs
- TraceUtils.cs
- CodeTryCatchFinallyStatement.cs
- DataControlField.cs
- ConnectionStringsExpressionEditor.cs
- DefaultPropertyAttribute.cs
- SchemaAttDef.cs
- XmlArrayItemAttributes.cs
- Relationship.cs
- BitmapFrameDecode.cs
- PageSettings.cs
- TemplateAction.cs
- RunClient.cs
- TextLine.cs
- FormViewUpdateEventArgs.cs
- ConfigurationElement.cs
- SchemaDeclBase.cs
- PrinterSettings.cs
- PeerCollaboration.cs
- StatusBarItemAutomationPeer.cs
- CorrelationResolver.cs
- XmlEncodedRawTextWriter.cs
- HttpException.cs
- LassoSelectionBehavior.cs
- _NetRes.cs
- WorkflowWebHostingModule.cs
- DragEvent.cs
- Menu.cs
- SignatureDescription.cs
- XamlReader.cs