Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / Condition.cs / 2 / Condition.cs
using MS.Utility; using System.IO; using System.Windows.Markup; using System.ComponentModel; using System; using System.Windows.Data; namespace System.Windows { ////// Condition for a multiple property or data trigger /// public sealed class Condition { ////// Constructor with no property reference nor value /// public Condition() { _property = null; _binding = null; } ////// Constructor for creating a Condition /// public Condition( DependencyProperty conditionProperty, object conditionValue ) : this(conditionProperty, conditionValue, null) { // Call Forwarded } ////// Constructor for creating a Condition with the given property /// and value instead of creating an empty one and setting values later. /// ////// This constructor does parameter validation, which before doesn't /// happen until Seal() is called. We can do it here because we get /// both at the same time. /// public Condition( DependencyProperty conditionProperty, object conditionValue, string sourceName ) { if( conditionProperty == null ) { throw new ArgumentNullException("conditionProperty"); } if( !conditionProperty.IsValidValue( conditionValue ) ) { throw new ArgumentException(SR.Get(SRID.InvalidPropertyValue, conditionValue, conditionProperty.Name)); } _property = conditionProperty; Value = conditionValue; _sourceName = sourceName; } ////// Constructor for creating a Condition with the given binding declaration. /// and value. /// public Condition( BindingBase binding, object conditionValue ) { if( binding == null ) { throw new ArgumentNullException("binding"); } Binding = binding; Value = conditionValue; } ////// DepedencyProperty of the conditional /// [Ambient] [DefaultValue(null)] public DependencyProperty Property { get { return _property; } set { if (_sealed) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "Condition")); } if( _binding != null ) { throw new InvalidOperationException(SR.Get(SRID.ConditionCannotUseBothPropertyAndBinding)); } _property = value; } } ////// Binding of the conditional /// [DefaultValue(null)] public BindingBase Binding { get { return _binding; } set { if (_sealed) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "Condition")); } if( _property != null ) { throw new InvalidOperationException(SR.Get(SRID.ConditionCannotUseBothPropertyAndBinding)); } _binding = value; } } ////// Value of the condition (equality check) /// public object Value { get { return _value; } set { if (_sealed) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "Condition")); } if (value is MarkupExtension) { throw new ArgumentException(SR.Get(SRID.ConditionValueOfMarkupExtensionNotSupported, value.GetType().Name)); } if( value is Expression ) { throw new ArgumentException(SR.Get(SRID.ConditionValueOfExpressionNotSupported)); } _value = value; } } ////// The x:Name of the object whose property shall /// trigger the associated setters to be applied. /// If null, then this is the object being Styled /// and not anything under its Template Tree. /// [DefaultValue(null)] public string SourceName { get { return _sourceName; } set { if( _sealed ) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "Condition")); } _sourceName = value; } } ////// Seal the condition so that it can no longer be modified /// internal void Seal(ValueLookupType type) { if (_sealed) { return; } _sealed = true; // Ensure valid condition if (_property != null && _binding != null) throw new InvalidOperationException(SR.Get(SRID.ConditionCannotUseBothPropertyAndBinding)); switch (type) { case ValueLookupType.Trigger: case ValueLookupType.PropertyTriggerResource: if (_property == null) { throw new InvalidOperationException(SR.Get(SRID.NullPropertyIllegal, "Property")); } if (!_property.IsValidValue(_value)) { throw new InvalidOperationException(SR.Get(SRID.InvalidPropertyValue, _value, _property.Name)); } break; case ValueLookupType.DataTrigger: case ValueLookupType.DataTriggerResource: if (_binding == null) { throw new InvalidOperationException(SR.Get(SRID.NullPropertyIllegal, "Binding")); } break; default: throw new InvalidOperationException(SR.Get(SRID.UnexpectedValueTypeForCondition, type)); } // Freeze the condition value StyleHelper.SealIfSealable(_value); } private bool _sealed = false; private DependencyProperty _property; private BindingBase _binding; private object _value = DependencyProperty.UnsetValue; private string _sourceName = null; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using MS.Utility; using System.IO; using System.Windows.Markup; using System.ComponentModel; using System; using System.Windows.Data; namespace System.Windows { ////// Condition for a multiple property or data trigger /// public sealed class Condition { ////// Constructor with no property reference nor value /// public Condition() { _property = null; _binding = null; } ////// Constructor for creating a Condition /// public Condition( DependencyProperty conditionProperty, object conditionValue ) : this(conditionProperty, conditionValue, null) { // Call Forwarded } ////// Constructor for creating a Condition with the given property /// and value instead of creating an empty one and setting values later. /// ////// This constructor does parameter validation, which before doesn't /// happen until Seal() is called. We can do it here because we get /// both at the same time. /// public Condition( DependencyProperty conditionProperty, object conditionValue, string sourceName ) { if( conditionProperty == null ) { throw new ArgumentNullException("conditionProperty"); } if( !conditionProperty.IsValidValue( conditionValue ) ) { throw new ArgumentException(SR.Get(SRID.InvalidPropertyValue, conditionValue, conditionProperty.Name)); } _property = conditionProperty; Value = conditionValue; _sourceName = sourceName; } ////// Constructor for creating a Condition with the given binding declaration. /// and value. /// public Condition( BindingBase binding, object conditionValue ) { if( binding == null ) { throw new ArgumentNullException("binding"); } Binding = binding; Value = conditionValue; } ////// DepedencyProperty of the conditional /// [Ambient] [DefaultValue(null)] public DependencyProperty Property { get { return _property; } set { if (_sealed) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "Condition")); } if( _binding != null ) { throw new InvalidOperationException(SR.Get(SRID.ConditionCannotUseBothPropertyAndBinding)); } _property = value; } } ////// Binding of the conditional /// [DefaultValue(null)] public BindingBase Binding { get { return _binding; } set { if (_sealed) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "Condition")); } if( _property != null ) { throw new InvalidOperationException(SR.Get(SRID.ConditionCannotUseBothPropertyAndBinding)); } _binding = value; } } ////// Value of the condition (equality check) /// public object Value { get { return _value; } set { if (_sealed) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "Condition")); } if (value is MarkupExtension) { throw new ArgumentException(SR.Get(SRID.ConditionValueOfMarkupExtensionNotSupported, value.GetType().Name)); } if( value is Expression ) { throw new ArgumentException(SR.Get(SRID.ConditionValueOfExpressionNotSupported)); } _value = value; } } ////// The x:Name of the object whose property shall /// trigger the associated setters to be applied. /// If null, then this is the object being Styled /// and not anything under its Template Tree. /// [DefaultValue(null)] public string SourceName { get { return _sourceName; } set { if( _sealed ) { throw new InvalidOperationException(SR.Get(SRID.CannotChangeAfterSealed, "Condition")); } _sourceName = value; } } ////// Seal the condition so that it can no longer be modified /// internal void Seal(ValueLookupType type) { if (_sealed) { return; } _sealed = true; // Ensure valid condition if (_property != null && _binding != null) throw new InvalidOperationException(SR.Get(SRID.ConditionCannotUseBothPropertyAndBinding)); switch (type) { case ValueLookupType.Trigger: case ValueLookupType.PropertyTriggerResource: if (_property == null) { throw new InvalidOperationException(SR.Get(SRID.NullPropertyIllegal, "Property")); } if (!_property.IsValidValue(_value)) { throw new InvalidOperationException(SR.Get(SRID.InvalidPropertyValue, _value, _property.Name)); } break; case ValueLookupType.DataTrigger: case ValueLookupType.DataTriggerResource: if (_binding == null) { throw new InvalidOperationException(SR.Get(SRID.NullPropertyIllegal, "Binding")); } break; default: throw new InvalidOperationException(SR.Get(SRID.UnexpectedValueTypeForCondition, type)); } // Freeze the condition value StyleHelper.SealIfSealable(_value); } private bool _sealed = false; private DependencyProperty _property; private BindingBase _binding; private object _value = DependencyProperty.UnsetValue; private string _sourceName = 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
- WinInetCache.cs
- LayoutTable.cs
- ArcSegment.cs
- InputProcessorProfiles.cs
- RemotingSurrogateSelector.cs
- ClassHandlersStore.cs
- WindowInteractionStateTracker.cs
- KerberosSecurityTokenParameters.cs
- AVElementHelper.cs
- ZipIOExtraField.cs
- PersistenceException.cs
- XmlDataLoader.cs
- LayoutTableCell.cs
- ToggleButtonAutomationPeer.cs
- ToolStripPanelSelectionBehavior.cs
- SemanticResultKey.cs
- HebrewCalendar.cs
- View.cs
- ConfigurationElementCollection.cs
- CombinedGeometry.cs
- ScrollChrome.cs
- ObjectDataSourceStatusEventArgs.cs
- SingleConverter.cs
- TripleDESCryptoServiceProvider.cs
- HttpModuleActionCollection.cs
- ActivityExecutionWorkItem.cs
- PrivateUnsafeNativeCompoundFileMethods.cs
- ComponentResourceKeyConverter.cs
- DerivedKeySecurityTokenStub.cs
- ToolStripLabel.cs
- DataServiceContext.cs
- StatusBarPanel.cs
- ResolvedKeyFrameEntry.cs
- BindingValueChangedEventArgs.cs
- KeyPullup.cs
- LocalizationCodeDomSerializer.cs
- TransactionManager.cs
- WebPartActionVerb.cs
- ConsumerConnectionPointCollection.cs
- Guid.cs
- EntityWrapper.cs
- EditorZoneAutoFormat.cs
- RawKeyboardInputReport.cs
- AddInEnvironment.cs
- TraversalRequest.cs
- ClassicBorderDecorator.cs
- ConditionalWeakTable.cs
- ToolStripPanelSelectionBehavior.cs
- HwndMouseInputProvider.cs
- ColorDialog.cs
- AuthorizationPolicyTypeElement.cs
- TextSelection.cs
- SystemException.cs
- Cursors.cs
- ValueTypeFixupInfo.cs
- RowToFieldTransformer.cs
- _NestedSingleAsyncResult.cs
- GlobalizationAssembly.cs
- XmlQueryOutput.cs
- BreakRecordTable.cs
- infer.cs
- WindowsGraphics2.cs
- JsonByteArrayDataContract.cs
- ServicePointManagerElement.cs
- Dispatcher.cs
- InternalConfigConfigurationFactory.cs
- TraceXPathNavigator.cs
- WebHttpBehavior.cs
- NotConverter.cs
- LogoValidationException.cs
- GradientSpreadMethodValidation.cs
- URLString.cs
- WindowsGraphicsCacheManager.cs
- ResourceDefaultValueAttribute.cs
- DbModificationCommandTree.cs
- DataSetSchema.cs
- XamlBuildTaskServices.cs
- HyperLinkColumn.cs
- UIElementHelper.cs
- BitmapMetadataBlob.cs
- regiisutil.cs
- BindingGroup.cs
- UnsafeNativeMethods.cs
- NumericUpDown.cs
- LockedHandleGlyph.cs
- SingleQueryOperator.cs
- EnumType.cs
- DataGridTextColumn.cs
- Error.cs
- DateTimeOffsetAdapter.cs
- MediaScriptCommandRoutedEventArgs.cs
- BasePattern.cs
- TextMessageEncoder.cs
- tooltip.cs
- EncoderParameters.cs
- RtType.cs
- DeclarativeCatalogPartDesigner.cs
- ComboBoxDesigner.cs
- PtsContext.cs
- TemplateControl.cs