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
- CheckBox.cs
- ResourcePool.cs
- DataGridViewBand.cs
- WebPartEditVerb.cs
- WebPartDesigner.cs
- FrameworkPropertyMetadata.cs
- SwitchAttribute.cs
- ObjectContextServiceProvider.cs
- ProgressBar.cs
- SelectionGlyph.cs
- CommandHelpers.cs
- ListParaClient.cs
- ServiceBusyException.cs
- HwndAppCommandInputProvider.cs
- _NativeSSPI.cs
- EventManager.cs
- CodeBlockBuilder.cs
- PassportIdentity.cs
- ConditionCollection.cs
- RTLAwareMessageBox.cs
- DataGridViewImageCell.cs
- SemanticResultKey.cs
- SiteMapPath.cs
- BufferedWebEventProvider.cs
- AdRotator.cs
- FontInfo.cs
- TextEndOfSegment.cs
- _BaseOverlappedAsyncResult.cs
- StylusPointPropertyInfoDefaults.cs
- FormsAuthenticationEventArgs.cs
- ProfileParameter.cs
- ScriptIgnoreAttribute.cs
- Deflater.cs
- ContextMarshalException.cs
- SecurityDocument.cs
- HtmlElementErrorEventArgs.cs
- PrePrepareMethodAttribute.cs
- AtomServiceDocumentSerializer.cs
- MembershipValidatePasswordEventArgs.cs
- CompensationHandlingFilter.cs
- ProviderConnectionPointCollection.cs
- WebPartRestoreVerb.cs
- login.cs
- GlyphRunDrawing.cs
- TagPrefixAttribute.cs
- Converter.cs
- DesignerActionTextItem.cs
- SQLInt16.cs
- dtdvalidator.cs
- DesignTimeParseData.cs
- Pair.cs
- BindingListCollectionView.cs
- MemoryMappedView.cs
- ToolStripGrip.cs
- AssemblyFilter.cs
- regiisutil.cs
- ListGeneralPage.cs
- SwitchExpression.cs
- TrayIconDesigner.cs
- ClaimTypes.cs
- ChannelOptions.cs
- UrlMappingCollection.cs
- TraceLevelStore.cs
- XmlBoundElement.cs
- MessageQuerySet.cs
- ColorContext.cs
- HelpKeywordAttribute.cs
- GlyphInfoList.cs
- UpDownEvent.cs
- RegexGroupCollection.cs
- ClientScriptManagerWrapper.cs
- RequestDescription.cs
- XsltLibrary.cs
- Style.cs
- DependencyObjectType.cs
- ClassImporter.cs
- Effect.cs
- DetailsViewModeEventArgs.cs
- RawStylusInputCustomData.cs
- FolderLevelBuildProviderCollection.cs
- ResXResourceReader.cs
- SafeLibraryHandle.cs
- ProfileGroupSettings.cs
- MeasureData.cs
- ApplicationSecurityManager.cs
- TextFormatterHost.cs
- XPathChildIterator.cs
- DiscardableAttribute.cs
- ArraySortHelper.cs
- CapabilitiesPattern.cs
- DetailsViewDeletedEventArgs.cs
- XsltException.cs
- LayoutUtils.cs
- SslStream.cs
- StateMachineTimers.cs
- StrokeRenderer.cs
- HttpWebResponse.cs
- TextBoxLine.cs
- PageRequestManager.cs
- HttpCapabilitiesEvaluator.cs