Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / Controls / GridViewColumnCollectionChangedEventArgs.cs / 1 / 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
- DataSvcMapFile.cs
- SelectionPattern.cs
- SQLDateTime.cs
- MouseWheelEventArgs.cs
- TemplatePropertyEntry.cs
- Activation.cs
- Grant.cs
- HealthMonitoringSection.cs
- EventArgs.cs
- SecurityHelper.cs
- RtfControlWordInfo.cs
- Directory.cs
- ElementAction.cs
- WindowsPrincipal.cs
- DocComment.cs
- KerberosSecurityTokenProvider.cs
- SqlClientMetaDataCollectionNames.cs
- HTMLTextWriter.cs
- NextPreviousPagerField.cs
- LineProperties.cs
- KeysConverter.cs
- TreeNodeStyleCollection.cs
- RegexInterpreter.cs
- Compiler.cs
- SimpleNameService.cs
- OpCellTreeNode.cs
- WinCategoryAttribute.cs
- Label.cs
- AsymmetricKeyExchangeFormatter.cs
- WebPartConnectVerb.cs
- BaseCodeDomTreeGenerator.cs
- DynamicDiscoveryDocument.cs
- XPathMessageFilter.cs
- SrgsGrammar.cs
- ActivityCompletionCallbackWrapper.cs
- Crc32.cs
- XmlSchemaNotation.cs
- WebResourceAttribute.cs
- WebServiceAttribute.cs
- login.cs
- SQLBytes.cs
- TypeContext.cs
- StylusCollection.cs
- SettingsProperty.cs
- PasswordBox.cs
- FileDialogPermission.cs
- MetadataItemEmitter.cs
- GeometryGroup.cs
- ListViewUpdateEventArgs.cs
- CalendarTable.cs
- BufferAllocator.cs
- HttpPostedFileBase.cs
- BrushValueSerializer.cs
- ProfilePropertyNameValidator.cs
- PingOptions.cs
- XmlSchemas.cs
- StrongNameMembershipCondition.cs
- RegexWorker.cs
- Token.cs
- MissingMemberException.cs
- DataGridViewCellStyleConverter.cs
- Utils.cs
- Mappings.cs
- WindowsSpinner.cs
- Utils.cs
- SafeCryptContextHandle.cs
- GeneralTransform3DGroup.cs
- RuleProcessor.cs
- Vector3DConverter.cs
- LineGeometry.cs
- MenuEventArgs.cs
- DiscoveryInnerClientAdhoc11.cs
- URLAttribute.cs
- GridEntry.cs
- SqlFunctionAttribute.cs
- TTSEvent.cs
- RecommendedAsConfigurableAttribute.cs
- TrustLevelCollection.cs
- TreeNodeEventArgs.cs
- Stopwatch.cs
- JsonFormatWriterGenerator.cs
- TemplateKeyConverter.cs
- EpmAttributeNameBuilder.cs
- AttachmentService.cs
- NameValueFileSectionHandler.cs
- EllipseGeometry.cs
- DiscoveryEndpointElement.cs
- EntityDataSourceWizardForm.cs
- ActionItem.cs
- VectorCollection.cs
- DynamicMetaObjectBinder.cs
- CheckPair.cs
- MimeTextImporter.cs
- RIPEMD160Managed.cs
- ListenerAdaptersInstallComponent.cs
- Attribute.cs
- CodeDefaultValueExpression.cs
- DatagridviewDisplayedBandsData.cs
- basevalidator.cs
- ArgumentOutOfRangeException.cs