Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / DependencyPropertyHelper.cs / 1 / DependencyPropertyHelper.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Helper class for miscellaneous framework-level features related // to DependencyProperties. // // See spec at http://teams/sites/Avalon/Specs/GetValueSource.mht // //--------------------------------------------------------------------------- using System; namespace System.Windows { ////// Source of a DependencyProperty value. /// public enum BaseValueSource { ///The source is not known by the Framework. Unknown = BaseValueSourceInternal.Unknown, ///Default value, as defined by property metadata. Default = BaseValueSourceInternal.Default, ///Inherited from an ancestor. Inherited = BaseValueSourceInternal.Inherited, ///Default Style for the current theme. DefaultStyle = BaseValueSourceInternal.ThemeStyle, ///Trigger in the default Style for the current theme. DefaultStyleTrigger = BaseValueSourceInternal.ThemeStyleTrigger, ///Style setter. Style = BaseValueSourceInternal.Style, ///Trigger in the Template. TemplateTrigger = BaseValueSourceInternal.TemplateTrigger, ///Trigger in the Style. StyleTrigger = BaseValueSourceInternal.StyleTrigger, ///Implicit Style reference. ImplicitStyleReference = BaseValueSourceInternal.ImplicitReference, ///Template that created the element. ParentTemplate = BaseValueSourceInternal.ParentTemplate, ///Trigger in the Template that created the element. ParentTemplateTrigger = BaseValueSourceInternal.ParentTemplateTrigger, ///Local value. Local = BaseValueSourceInternal.Local, } ////// This struct contains the information returned from /// DependencyPropertyHelper.GetValueSource. /// public struct ValueSource { internal ValueSource(BaseValueSourceInternal source, bool isExpression, bool isAnimated, bool isCoerced) { // this cast is justified because the public BaseValueSource enum // values agree with the internal BaseValueSourceInternal enum values. _baseValueSource = (BaseValueSource)source; _isExpression = isExpression; _isAnimated = isAnimated; _isCoerced = isCoerced; } ////// The base value source. /// public BaseValueSource BaseValueSource { get { return _baseValueSource; } } ////// True if the value came from an Expression. /// public bool IsExpression { get { return _isExpression; } } ////// True if the value came from an animation. /// public bool IsAnimated { get { return _isAnimated; } } ////// True if the value was coerced. /// public bool IsCoerced { get { return _isCoerced; } } #region Object overrides - required by FxCop ////// Return the hash code for this ValueSource. /// public override int GetHashCode() { return _baseValueSource.GetHashCode(); } ////// True if this ValueSource equals the argument. /// public override bool Equals(object o) { if (o is ValueSource) { ValueSource that = (ValueSource)o; return this._baseValueSource == that._baseValueSource && this._isExpression == that._isExpression && this._isAnimated == that._isAnimated && this._isCoerced == that._isCoerced; } else { return false; } } ////// True if the two arguments are equal. /// public static bool operator==(ValueSource vs1, ValueSource vs2) { return vs1.Equals(vs2); } ////// True if the two arguments are unequal. /// public static bool operator!=(ValueSource vs1, ValueSource vs2) { return !vs1.Equals(vs2); } #endregion Object overrides - required by FxCop BaseValueSource _baseValueSource; bool _isExpression; bool _isAnimated; bool _isCoerced; } ////// Helper class for miscellaneous framework-level features related /// to DependencyProperties. /// public static class DependencyPropertyHelper { ////// Return the source of the value for the given property. /// public static ValueSource GetValueSource(DependencyObject dependencyObject, DependencyProperty dependencyProperty) { if (dependencyObject == null) throw new ArgumentNullException("dependencyObject"); if (dependencyProperty == null) throw new ArgumentNullException("dependencyProperty"); dependencyObject.VerifyAccess(); bool hasModifiers, isExpression, isAnimated, isCoerced; BaseValueSourceInternal source = dependencyObject.GetValueSource(dependencyProperty, null, out hasModifiers, out isExpression, out isAnimated, out isCoerced); return new ValueSource(source, isExpression, isAnimated, isCoerced); } } } // 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: Helper class for miscellaneous framework-level features related // to DependencyProperties. // // See spec at http://teams/sites/Avalon/Specs/GetValueSource.mht // //--------------------------------------------------------------------------- using System; namespace System.Windows { ////// Source of a DependencyProperty value. /// public enum BaseValueSource { ///The source is not known by the Framework. Unknown = BaseValueSourceInternal.Unknown, ///Default value, as defined by property metadata. Default = BaseValueSourceInternal.Default, ///Inherited from an ancestor. Inherited = BaseValueSourceInternal.Inherited, ///Default Style for the current theme. DefaultStyle = BaseValueSourceInternal.ThemeStyle, ///Trigger in the default Style for the current theme. DefaultStyleTrigger = BaseValueSourceInternal.ThemeStyleTrigger, ///Style setter. Style = BaseValueSourceInternal.Style, ///Trigger in the Template. TemplateTrigger = BaseValueSourceInternal.TemplateTrigger, ///Trigger in the Style. StyleTrigger = BaseValueSourceInternal.StyleTrigger, ///Implicit Style reference. ImplicitStyleReference = BaseValueSourceInternal.ImplicitReference, ///Template that created the element. ParentTemplate = BaseValueSourceInternal.ParentTemplate, ///Trigger in the Template that created the element. ParentTemplateTrigger = BaseValueSourceInternal.ParentTemplateTrigger, ///Local value. Local = BaseValueSourceInternal.Local, } ////// This struct contains the information returned from /// DependencyPropertyHelper.GetValueSource. /// public struct ValueSource { internal ValueSource(BaseValueSourceInternal source, bool isExpression, bool isAnimated, bool isCoerced) { // this cast is justified because the public BaseValueSource enum // values agree with the internal BaseValueSourceInternal enum values. _baseValueSource = (BaseValueSource)source; _isExpression = isExpression; _isAnimated = isAnimated; _isCoerced = isCoerced; } ////// The base value source. /// public BaseValueSource BaseValueSource { get { return _baseValueSource; } } ////// True if the value came from an Expression. /// public bool IsExpression { get { return _isExpression; } } ////// True if the value came from an animation. /// public bool IsAnimated { get { return _isAnimated; } } ////// True if the value was coerced. /// public bool IsCoerced { get { return _isCoerced; } } #region Object overrides - required by FxCop ////// Return the hash code for this ValueSource. /// public override int GetHashCode() { return _baseValueSource.GetHashCode(); } ////// True if this ValueSource equals the argument. /// public override bool Equals(object o) { if (o is ValueSource) { ValueSource that = (ValueSource)o; return this._baseValueSource == that._baseValueSource && this._isExpression == that._isExpression && this._isAnimated == that._isAnimated && this._isCoerced == that._isCoerced; } else { return false; } } ////// True if the two arguments are equal. /// public static bool operator==(ValueSource vs1, ValueSource vs2) { return vs1.Equals(vs2); } ////// True if the two arguments are unequal. /// public static bool operator!=(ValueSource vs1, ValueSource vs2) { return !vs1.Equals(vs2); } #endregion Object overrides - required by FxCop BaseValueSource _baseValueSource; bool _isExpression; bool _isAnimated; bool _isCoerced; } ////// Helper class for miscellaneous framework-level features related /// to DependencyProperties. /// public static class DependencyPropertyHelper { ////// Return the source of the value for the given property. /// public static ValueSource GetValueSource(DependencyObject dependencyObject, DependencyProperty dependencyProperty) { if (dependencyObject == null) throw new ArgumentNullException("dependencyObject"); if (dependencyProperty == null) throw new ArgumentNullException("dependencyProperty"); dependencyObject.VerifyAccess(); bool hasModifiers, isExpression, isAnimated, isCoerced; BaseValueSourceInternal source = dependencyObject.GetValueSource(dependencyProperty, null, out hasModifiers, out isExpression, out isAnimated, out isCoerced); return new ValueSource(source, isExpression, isAnimated, isCoerced); } } } // 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
- IODescriptionAttribute.cs
- DeferredTextReference.cs
- VirtualizingStackPanel.cs
- MulticastOption.cs
- ProgressPage.cs
- Trace.cs
- UserThread.cs
- _AutoWebProxyScriptEngine.cs
- ActivityCodeDomReferenceService.cs
- SplineQuaternionKeyFrame.cs
- CriticalExceptions.cs
- ExpressionNormalizer.cs
- EditingMode.cs
- SamlEvidence.cs
- OdbcStatementHandle.cs
- DeviceSpecific.cs
- streamingZipPartStream.cs
- ScopelessEnumAttribute.cs
- ManipulationBoundaryFeedbackEventArgs.cs
- ErrorEventArgs.cs
- TemplateBamlTreeBuilder.cs
- RelOps.cs
- XmlValidatingReader.cs
- ClientSettingsSection.cs
- DataSourceExpression.cs
- DataObjectFieldAttribute.cs
- DataExpression.cs
- HandleRef.cs
- SmiEventSink.cs
- SQLStringStorage.cs
- SimpleMailWebEventProvider.cs
- ConstraintConverter.cs
- PageContentAsyncResult.cs
- DomNameTable.cs
- PointLightBase.cs
- WebReferenceOptions.cs
- NullRuntimeConfig.cs
- filewebresponse.cs
- StateRuntime.cs
- OdbcConnection.cs
- InternalBufferOverflowException.cs
- IndexerReference.cs
- StateDesigner.Layouts.cs
- ExpandSegmentCollection.cs
- WindowsGraphicsCacheManager.cs
- FixedSOMPage.cs
- DataGrid.cs
- ValidatedControlConverter.cs
- WebDescriptionAttribute.cs
- LocatorGroup.cs
- XsdBuildProvider.cs
- ServicesUtilities.cs
- SqlCaseSimplifier.cs
- NavigateUrlConverter.cs
- DataGridRowsPresenter.cs
- NavigationService.cs
- ValueType.cs
- CompilerInfo.cs
- RealProxy.cs
- ValidationSummary.cs
- FixedDocumentSequencePaginator.cs
- TemplateApplicationHelper.cs
- WSHttpSecurity.cs
- FileUtil.cs
- OrderByExpression.cs
- TraceContextRecord.cs
- ProcessHostMapPath.cs
- WindowsImpersonationContext.cs
- TreeViewEvent.cs
- EntityDataSourceState.cs
- InterleavedZipPartStream.cs
- HttpException.cs
- RequestContext.cs
- SByte.cs
- TextEditorSpelling.cs
- ScrollProviderWrapper.cs
- Listbox.cs
- DefaultExpressionVisitor.cs
- dbenumerator.cs
- Rect.cs
- Axis.cs
- SqlCharStream.cs
- SqlXmlStorage.cs
- TypefaceCollection.cs
- GenericAuthenticationEventArgs.cs
- CompositeKey.cs
- ViewPort3D.cs
- FunctionNode.cs
- Site.cs
- MailDefinitionBodyFileNameEditor.cs
- VectorCollectionValueSerializer.cs
- ThaiBuddhistCalendar.cs
- ScriptingAuthenticationServiceSection.cs
- CheckBox.cs
- MobileResource.cs
- SoapFault.cs
- HitTestParameters.cs
- DecimalConverter.cs
- MenuBase.cs
- COM2FontConverter.cs