Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / 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
- QilChoice.cs
- MethodSet.cs
- DataServiceKeyAttribute.cs
- ITreeGenerator.cs
- SectionVisual.cs
- DetailsViewInsertedEventArgs.cs
- ApplicationInterop.cs
- Resources.Designer.cs
- NetNamedPipeBindingElement.cs
- ValueUtilsSmi.cs
- SQLBinaryStorage.cs
- CustomDictionarySources.cs
- ResXResourceSet.cs
- OperationAbortedException.cs
- DataTrigger.cs
- XmlParserContext.cs
- HitTestWithGeometryDrawingContextWalker.cs
- XmlSchemaValidationException.cs
- FilterEventArgs.cs
- CodeExporter.cs
- TransactionException.cs
- TreeViewHitTestInfo.cs
- Soap.cs
- HostingEnvironment.cs
- StatusBarPanelClickEvent.cs
- ToolStripOverflow.cs
- ExeConfigurationFileMap.cs
- MsmqTransportSecurity.cs
- Membership.cs
- EntityDataSourceStatementEditorForm.cs
- ArrayItemReference.cs
- TypeToken.cs
- BaseParaClient.cs
- FilterQueryOptionExpression.cs
- Grid.cs
- NetworkInformationException.cs
- GeometryCombineModeValidation.cs
- SQLInt16Storage.cs
- DataGridViewTextBoxColumn.cs
- Matrix3DStack.cs
- AutomationTextAttribute.cs
- XamlFxTrace.cs
- WebEventTraceProvider.cs
- CompModSwitches.cs
- DataTable.cs
- Activator.cs
- ReversePositionQuery.cs
- ErrorsHelper.cs
- RepeaterItem.cs
- EdmTypeAttribute.cs
- QueryExpression.cs
- FragmentQueryKB.cs
- Lease.cs
- Merger.cs
- XmlConvert.cs
- PropertyKey.cs
- PeerApplicationLaunchInfo.cs
- arabicshape.cs
- Size3DValueSerializer.cs
- ProtocolViolationException.cs
- SpecialNameAttribute.cs
- TextCompositionManager.cs
- HtmlControlAdapter.cs
- XmlIlVisitor.cs
- EntityKeyElement.cs
- StreamWriter.cs
- MetadataHelper.cs
- StrokeCollectionDefaultValueFactory.cs
- CollectionChangedEventManager.cs
- CollectionChangeEventArgs.cs
- WebScriptEnablingBehavior.cs
- NameValueConfigurationCollection.cs
- SyndicationSerializer.cs
- DependencyPropertyKind.cs
- SingleAnimationUsingKeyFrames.cs
- DataAdapter.cs
- SmtpAuthenticationManager.cs
- FocusChangedEventArgs.cs
- SynchronizedInputHelper.cs
- FindCriteria.cs
- CodeMemberEvent.cs
- DataGridColumnHeader.cs
- FilteredDataSetHelper.cs
- AttachedAnnotation.cs
- IERequestCache.cs
- CodeTryCatchFinallyStatement.cs
- WebPartAddingEventArgs.cs
- EventEntry.cs
- CodeDomDesignerLoader.cs
- AssemblyAttributesGoHere.cs
- BitmapFrame.cs
- ThreadTrace.cs
- HostedTransportConfigurationManager.cs
- SymLanguageVendor.cs
- HtmlInputCheckBox.cs
- DiscoveryEndpointValidator.cs
- TransformerTypeCollection.cs
- WinFormsUtils.cs
- RelationshipConverter.cs
- SymmetricSecurityProtocolFactory.cs