Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Controls / GridViewColumnCollectionChangedEventArgs.cs / 1305600 / GridViewColumnCollectionChangedEventArgs.cs
//---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System.Windows.Controls; using System.Collections.Generic; // IListusing System.Collections.Specialized; // NotifyCollectionChangedEventArgs using System.Collections.ObjectModel; // Collection, ReadOnlyCollection using System.Diagnostics; // Assert namespace System.Windows.Controls { /// /// Argument for GridViewColumnCollectionChanged event /// internal class GridViewColumnCollectionChangedEventArgs : NotifyCollectionChangedEventArgs { ////// constructor (for a property of one column changed) /// /// column whose property changed /// Name of the changed property internal GridViewColumnCollectionChangedEventArgs(GridViewColumn column, string propertyName) : base(NotifyCollectionChangedAction.Reset) // NotifyCollectionChangedEventArgs doesn't have 0 parameter constructor, so pass in an arbitrary parameter. { _column = column; _propertyName = propertyName; } ////// constructor (for clear) /// /// must be NotifyCollectionChangedAction.Reset /// Columns removed in reset action internal GridViewColumnCollectionChangedEventArgs(NotifyCollectionChangedAction action, GridViewColumn[] clearedColumns) : base(action) { _clearedColumns = System.Array.AsReadOnly(clearedColumns); } /// /// Construct for one-column Add/Remove event. /// internal GridViewColumnCollectionChangedEventArgs(NotifyCollectionChangedAction action, GridViewColumn changedItem, int index, int actualIndex) : base (action, changedItem, index) { Debug.Assert(action == NotifyCollectionChangedAction.Add || action == NotifyCollectionChangedAction.Remove, "This constructor only supports Add/Remove action."); Debug.Assert(changedItem != null, "changedItem can't be null"); Debug.Assert(index >= 0, "index must >= 0"); Debug.Assert(actualIndex >= 0, "actualIndex must >= 0"); _actualIndex = actualIndex; } ////// Construct for a one-column Replace event. /// internal GridViewColumnCollectionChangedEventArgs(NotifyCollectionChangedAction action, GridViewColumn newItem, GridViewColumn oldItem, int index, int actualIndex) : base(action, newItem, oldItem, index) { Debug.Assert(newItem != null, "newItem can't be null"); Debug.Assert(oldItem != null, "oldItem can't be null"); Debug.Assert(index >= 0, "index must >= 0"); Debug.Assert(actualIndex >= 0, "actualIndex must >= 0"); _actualIndex = actualIndex; } ////// Construct for a one-column Move event. /// internal GridViewColumnCollectionChangedEventArgs(NotifyCollectionChangedAction action, GridViewColumn changedItem, int index, int oldIndex, int actualIndex) : base(action, changedItem, index, oldIndex) { Debug.Assert(changedItem != null, "changedItem can't be null"); Debug.Assert(index >= 0, "index must >= 0"); Debug.Assert(oldIndex >= 0, "oldIndex must >= 0"); Debug.Assert(actualIndex >= 0, "actualIndex must >= 0"); _actualIndex = actualIndex; } ////// index of the changed column in the internal column list. /// internal int ActualIndex { get { return _actualIndex; } } private int _actualIndex = -1; ////// Columns removed in reset action. /// internal ReadOnlyCollectionClearedColumns { get { return _clearedColumns; } } private ReadOnlyCollection _clearedColumns; // The following two properties are used to store information of GridViewColumns.PropertyChanged event. // // GridViewColumnCollection hookup GridViewColumns.PropertyChanged event. When GridViewColumns.PropertyChanged // event is raised, GridViewColumnCollection will raised CollectionChanged event with GridViewColumnCollectionChangedEventArgs. // In the event arg the following two properties will be set, so GridViewRowPresenter will be informed. // // GridViewRowPresenter needn't hookup PropertyChanged event of each column, which cost a lot of time in scroll operation. /// /// Column whose property changed /// internal GridViewColumn Column { get { return _column; } } private GridViewColumn _column; ////// Name of the changed property /// internal string PropertyName { get { return _propertyName; } } private string _propertyName; } } // 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. // //--------------------------------------------------------------------------- using System.Windows.Controls; using System.Collections.Generic; // IListusing System.Collections.Specialized; // NotifyCollectionChangedEventArgs using System.Collections.ObjectModel; // Collection, ReadOnlyCollection using System.Diagnostics; // Assert namespace System.Windows.Controls { /// /// Argument for GridViewColumnCollectionChanged event /// internal class GridViewColumnCollectionChangedEventArgs : NotifyCollectionChangedEventArgs { ////// constructor (for a property of one column changed) /// /// column whose property changed /// Name of the changed property internal GridViewColumnCollectionChangedEventArgs(GridViewColumn column, string propertyName) : base(NotifyCollectionChangedAction.Reset) // NotifyCollectionChangedEventArgs doesn't have 0 parameter constructor, so pass in an arbitrary parameter. { _column = column; _propertyName = propertyName; } ////// constructor (for clear) /// /// must be NotifyCollectionChangedAction.Reset /// Columns removed in reset action internal GridViewColumnCollectionChangedEventArgs(NotifyCollectionChangedAction action, GridViewColumn[] clearedColumns) : base(action) { _clearedColumns = System.Array.AsReadOnly(clearedColumns); } /// /// Construct for one-column Add/Remove event. /// internal GridViewColumnCollectionChangedEventArgs(NotifyCollectionChangedAction action, GridViewColumn changedItem, int index, int actualIndex) : base (action, changedItem, index) { Debug.Assert(action == NotifyCollectionChangedAction.Add || action == NotifyCollectionChangedAction.Remove, "This constructor only supports Add/Remove action."); Debug.Assert(changedItem != null, "changedItem can't be null"); Debug.Assert(index >= 0, "index must >= 0"); Debug.Assert(actualIndex >= 0, "actualIndex must >= 0"); _actualIndex = actualIndex; } ////// Construct for a one-column Replace event. /// internal GridViewColumnCollectionChangedEventArgs(NotifyCollectionChangedAction action, GridViewColumn newItem, GridViewColumn oldItem, int index, int actualIndex) : base(action, newItem, oldItem, index) { Debug.Assert(newItem != null, "newItem can't be null"); Debug.Assert(oldItem != null, "oldItem can't be null"); Debug.Assert(index >= 0, "index must >= 0"); Debug.Assert(actualIndex >= 0, "actualIndex must >= 0"); _actualIndex = actualIndex; } ////// Construct for a one-column Move event. /// internal GridViewColumnCollectionChangedEventArgs(NotifyCollectionChangedAction action, GridViewColumn changedItem, int index, int oldIndex, int actualIndex) : base(action, changedItem, index, oldIndex) { Debug.Assert(changedItem != null, "changedItem can't be null"); Debug.Assert(index >= 0, "index must >= 0"); Debug.Assert(oldIndex >= 0, "oldIndex must >= 0"); Debug.Assert(actualIndex >= 0, "actualIndex must >= 0"); _actualIndex = actualIndex; } ////// index of the changed column in the internal column list. /// internal int ActualIndex { get { return _actualIndex; } } private int _actualIndex = -1; ////// Columns removed in reset action. /// internal ReadOnlyCollectionClearedColumns { get { return _clearedColumns; } } private ReadOnlyCollection _clearedColumns; // The following two properties are used to store information of GridViewColumns.PropertyChanged event. // // GridViewColumnCollection hookup GridViewColumns.PropertyChanged event. When GridViewColumns.PropertyChanged // event is raised, GridViewColumnCollection will raised CollectionChanged event with GridViewColumnCollectionChangedEventArgs. // In the event arg the following two properties will be set, so GridViewRowPresenter will be informed. // // GridViewRowPresenter needn't hookup PropertyChanged event of each column, which cost a lot of time in scroll operation. /// /// Column whose property changed /// internal GridViewColumn Column { get { return _column; } } private GridViewColumn _column; ////// Name of the changed property /// internal string PropertyName { get { return _propertyName; } } private string _propertyName; } } // 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
- DataObjectSettingDataEventArgs.cs
- ContainerUIElement3D.cs
- _NtlmClient.cs
- AppearanceEditorPart.cs
- TextCompositionEventArgs.cs
- GraphicsContext.cs
- StaticSiteMapProvider.cs
- ConfigurationSettings.cs
- ExecutionContext.cs
- ProfessionalColors.cs
- RepeaterItemCollection.cs
- GeneratedContractType.cs
- CalendarAutoFormat.cs
- ValidationHelpers.cs
- HostedTransportConfigurationManager.cs
- RijndaelManaged.cs
- XmlNodeWriter.cs
- Vector3DConverter.cs
- Compress.cs
- WindowsFormsSectionHandler.cs
- SystemResourceHost.cs
- BaseTemplateCodeDomTreeGenerator.cs
- GCHandleCookieTable.cs
- TextAdaptor.cs
- Match.cs
- StateFinalizationActivity.cs
- WebPartConnectionCollection.cs
- FixedSOMPageConstructor.cs
- DelegatedStream.cs
- SmtpFailedRecipientsException.cs
- XmlElementAttribute.cs
- DataGridColumnCollection.cs
- ResolveNameEventArgs.cs
- ConfigurationElement.cs
- MenuScrollingVisibilityConverter.cs
- IIS7UserPrincipal.cs
- PasswordValidationException.cs
- DependencyPropertyKind.cs
- SqlDataRecord.cs
- ClientRuntimeConfig.cs
- DataGridRowAutomationPeer.cs
- querybuilder.cs
- SelectionList.cs
- ManifestResourceInfo.cs
- XmlChoiceIdentifierAttribute.cs
- AdCreatedEventArgs.cs
- ScopedKnownTypes.cs
- FileStream.cs
- EntityDataSourceColumn.cs
- TextSelectionProcessor.cs
- Paragraph.cs
- StringToken.cs
- Vector3DCollectionConverter.cs
- DataGridParentRows.cs
- TypeDescriptionProviderAttribute.cs
- XsdDateTime.cs
- Deflater.cs
- GradientStop.cs
- DataBoundControl.cs
- TailCallAnalyzer.cs
- XsdValidatingReader.cs
- Range.cs
- Stylus.cs
- PropertyMap.cs
- CompositeDataBoundControl.cs
- ImageMetadata.cs
- Button.cs
- WebPartCatalogAddVerb.cs
- WebConfigurationManager.cs
- MaskedTextBox.cs
- DebuggerAttributes.cs
- ScrollData.cs
- ServiceOperationViewControl.cs
- Point4D.cs
- ImageConverter.cs
- SingleConverter.cs
- ApplicationManager.cs
- DiscoveryClientOutputChannel.cs
- GregorianCalendarHelper.cs
- printdlgexmarshaler.cs
- UnsupportedPolicyOptionsException.cs
- ConstraintConverter.cs
- DockPanel.cs
- Int16.cs
- ClientType.cs
- EnumDataContract.cs
- AbandonedMutexException.cs
- XmlSchemaValidationException.cs
- FloaterParagraph.cs
- MenuTracker.cs
- BufferModesCollection.cs
- ColorKeyFrameCollection.cs
- ToolStripSystemRenderer.cs
- TypedTableBaseExtensions.cs
- XmlWriter.cs
- _SslState.cs
- Bits.cs
- PrimitiveXmlSerializers.cs
- DataServiceQueryContinuation.cs
- PersonalizationProviderCollection.cs