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 / Automation / Peers / GridViewItemAutomationPeer.cs / 1 / GridViewItemAutomationPeer.cs
using System; using System.Collections; using System.Collections.Generic; using System.Runtime.InteropServices; using System.Security; using System.Text; using System.Windows; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Interop; using System.Windows.Media; using MS.Internal; using MS.Win32; namespace System.Windows.Automation.Peers { /// public class GridViewItemAutomationPeer : ListBoxItemAutomationPeer { /// public GridViewItemAutomationPeer(object owner, ListViewAutomationPeer listviewAP) : base(owner, listviewAP) { Invariant.Assert(owner != null); Invariant.Assert(listviewAP != null); _item = owner; _listviewAP = listviewAP; } /// override protected string GetClassNameCore() { return "ListViewItem"; } /// override protected AutomationControlType GetAutomationControlTypeCore() { return AutomationControlType.DataItem; } /// protected override ListGetChildrenCore() { ListView listview = _listviewAP.Owner as ListView; Invariant.Assert(listview != null); ListViewItem lvi = listview.ItemContainerGenerator.ContainerFromItem(_item) as ListViewItem; if (lvi != null) { GridViewRowPresenter rowPresenter = GridViewAutomationPeer.FindVisualByType(lvi, typeof(GridViewRowPresenter)) as GridViewRowPresenter; if (rowPresenter != null) { Hashtable oldChildren = _dataChildren; //cache the old ones for possible reuse _dataChildren = new Hashtable(rowPresenter.ActualCells.Count); List list = new List (); int row = listview.Items.IndexOf(_item); int column = 0; foreach (UIElement ele in rowPresenter.ActualCells) { GridViewCellAutomationPeer peer = (oldChildren == null ? null : (GridViewCellAutomationPeer)oldChildren[ele]); if (peer == null) { if (ele is ContentPresenter) { peer = new GridViewCellAutomationPeer((ContentPresenter)ele, _listviewAP); } else if (ele is TextBlock) { peer = new GridViewCellAutomationPeer((TextBlock)ele, _listviewAP); } else { Invariant.Assert(false, "Children of GridViewRowPresenter should be ContentPresenter or TextBlock"); } } //protection from indistinguishable UIElement - for example, 2 UIElement wiht same value if (_dataChildren[ele] == null) { //Set Cell's row and column peer.Column = column; peer.Row = row; list.Add(peer); _dataChildren.Add(ele, peer); column++; } } return list; } } return null; } #region Private Fields private object _item; private ListViewAutomationPeer _listviewAP; private Hashtable _dataChildren = null; #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Collections; using System.Collections.Generic; using System.Runtime.InteropServices; using System.Security; using System.Text; using System.Windows; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Interop; using System.Windows.Media; using MS.Internal; using MS.Win32; namespace System.Windows.Automation.Peers { /// public class GridViewItemAutomationPeer : ListBoxItemAutomationPeer { /// public GridViewItemAutomationPeer(object owner, ListViewAutomationPeer listviewAP) : base(owner, listviewAP) { Invariant.Assert(owner != null); Invariant.Assert(listviewAP != null); _item = owner; _listviewAP = listviewAP; } /// override protected string GetClassNameCore() { return "ListViewItem"; } /// override protected AutomationControlType GetAutomationControlTypeCore() { return AutomationControlType.DataItem; } /// protected override List GetChildrenCore() { ListView listview = _listviewAP.Owner as ListView; Invariant.Assert(listview != null); ListViewItem lvi = listview.ItemContainerGenerator.ContainerFromItem(_item) as ListViewItem; if (lvi != null) { GridViewRowPresenter rowPresenter = GridViewAutomationPeer.FindVisualByType(lvi, typeof(GridViewRowPresenter)) as GridViewRowPresenter; if (rowPresenter != null) { Hashtable oldChildren = _dataChildren; //cache the old ones for possible reuse _dataChildren = new Hashtable(rowPresenter.ActualCells.Count); List list = new List (); int row = listview.Items.IndexOf(_item); int column = 0; foreach (UIElement ele in rowPresenter.ActualCells) { GridViewCellAutomationPeer peer = (oldChildren == null ? null : (GridViewCellAutomationPeer)oldChildren[ele]); if (peer == null) { if (ele is ContentPresenter) { peer = new GridViewCellAutomationPeer((ContentPresenter)ele, _listviewAP); } else if (ele is TextBlock) { peer = new GridViewCellAutomationPeer((TextBlock)ele, _listviewAP); } else { Invariant.Assert(false, "Children of GridViewRowPresenter should be ContentPresenter or TextBlock"); } } //protection from indistinguishable UIElement - for example, 2 UIElement wiht same value if (_dataChildren[ele] == null) { //Set Cell's row and column peer.Column = column; peer.Row = row; list.Add(peer); _dataChildren.Add(ele, peer); column++; } } return list; } } return null; } #region Private Fields private object _item; private ListViewAutomationPeer _listviewAP; private Hashtable _dataChildren = null; #endregion } } // 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
- TrackingMemoryStreamFactory.cs
- WindowsGraphicsWrapper.cs
- ZipIOModeEnforcingStream.cs
- PartialTrustVisibleAssembly.cs
- ReachUIElementCollectionSerializer.cs
- XmlSchemaObject.cs
- SafeEventHandle.cs
- PersonalizablePropertyEntry.cs
- DbProviderFactory.cs
- DnsEndPoint.cs
- cache.cs
- TableCellsCollectionEditor.cs
- LoadWorkflowByKeyAsyncResult.cs
- RenderData.cs
- TextAutomationPeer.cs
- PrimitiveXmlSerializers.cs
- Viewport2DVisual3D.cs
- ObjectDataSourceDesigner.cs
- ExecutedRoutedEventArgs.cs
- PlatformCulture.cs
- Geometry.cs
- ToggleButton.cs
- __Error.cs
- QilVisitor.cs
- ContentAlignmentEditor.cs
- TypeUtil.cs
- SuppressMessageAttribute.cs
- ErrorFormatter.cs
- DesignerCategoryAttribute.cs
- ApplicationException.cs
- FileSystemWatcher.cs
- DbConnectionInternal.cs
- TypeBuilderInstantiation.cs
- StructuredTypeEmitter.cs
- arabicshape.cs
- ConnectionManagementSection.cs
- ProfileService.cs
- BrowsableAttribute.cs
- PointValueSerializer.cs
- StackSpiller.Bindings.cs
- LambdaCompiler.ControlFlow.cs
- XmlSchemaExternal.cs
- AnnotationResourceCollection.cs
- GenericAuthenticationEventArgs.cs
- RemotingConfiguration.cs
- TimeSpanStorage.cs
- Token.cs
- XPathChildIterator.cs
- WebServiceData.cs
- IdentityNotMappedException.cs
- LocalIdCollection.cs
- RoleManagerSection.cs
- WebResourceUtil.cs
- StackBuilderSink.cs
- ProgramPublisher.cs
- MultipartContentParser.cs
- EditorZoneBase.cs
- ProcessModuleCollection.cs
- ListParagraph.cs
- SqlError.cs
- ReadOnlyDictionary.cs
- CreateUserWizard.cs
- ViewCellSlot.cs
- SqlNotificationEventArgs.cs
- PrtTicket_Public.cs
- Message.cs
- Control.cs
- dataprotectionpermission.cs
- DataBindingExpressionBuilder.cs
- ToolStripItemClickedEventArgs.cs
- ProxyWebPart.cs
- BookmarkNameHelper.cs
- AsyncCompletedEventArgs.cs
- DownloadProgressEventArgs.cs
- AdapterUtil.cs
- ZipIOExtraFieldElement.cs
- AnonymousIdentificationSection.cs
- TracingConnection.cs
- MediaCommands.cs
- ReflectTypeDescriptionProvider.cs
- _NegoStream.cs
- ClientData.cs
- KeySplineConverter.cs
- PictureBox.cs
- XamlTreeBuilderBamlRecordWriter.cs
- PatternMatcher.cs
- Parallel.cs
- TextEndOfLine.cs
- PieceNameHelper.cs
- QilBinary.cs
- DbCommandDefinition.cs
- AstNode.cs
- SqlDataSourceRefreshSchemaForm.cs
- RegisteredHiddenField.cs
- StorageAssociationSetMapping.cs
- FrameworkElementFactory.cs
- CultureInfoConverter.cs
- Validator.cs
- sitestring.cs
- XmlSchemaAnnotated.cs