Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / 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
- MethodAccessException.cs
- panel.cs
- ToolStripDesignerUtils.cs
- Registry.cs
- XXXInfos.cs
- DataGridrowEditEndingEventArgs.cs
- CompressionTracing.cs
- Matrix3DValueSerializer.cs
- RtType.cs
- RijndaelManaged.cs
- DesignTableCollection.cs
- RepeaterItem.cs
- SchemaManager.cs
- CharacterString.cs
- ObjectDataSource.cs
- BitmapEffectDrawing.cs
- SamlNameIdentifierClaimResource.cs
- SecurityListenerSettingsLifetimeManager.cs
- DeclarativeConditionsCollection.cs
- IssuedTokenClientBehaviorsElement.cs
- CheckoutException.cs
- HashHelper.cs
- ValueProviderWrapper.cs
- AppliedDeviceFiltersDialog.cs
- RoutedPropertyChangedEventArgs.cs
- DragDropHelper.cs
- ServiceReference.cs
- UpdateRecord.cs
- XamlFrame.cs
- TextElementEditingBehaviorAttribute.cs
- HasActivatableWorkflowEvent.cs
- CustomBindingCollectionElement.cs
- PointUtil.cs
- Emitter.cs
- SrgsElementList.cs
- XPathNode.cs
- TriggerCollection.cs
- WebUtil.cs
- SerializerDescriptor.cs
- XmlSchemaCompilationSettings.cs
- UIntPtr.cs
- DataRowCollection.cs
- ViewManager.cs
- Connector.cs
- OleDbPermission.cs
- ImageAutomationPeer.cs
- FormsIdentity.cs
- XmlDocument.cs
- RotateTransform3D.cs
- SimpleMailWebEventProvider.cs
- XmlILAnnotation.cs
- ErasingStroke.cs
- Publisher.cs
- ContextMenuService.cs
- M3DUtil.cs
- SiteOfOriginPart.cs
- AsyncPostBackTrigger.cs
- XdrBuilder.cs
- InputLanguageCollection.cs
- ResourceExpressionBuilder.cs
- CodeBlockBuilder.cs
- TypeSemantics.cs
- SqlClientWrapperSmiStreamChars.cs
- SessionStateItemCollection.cs
- QilReference.cs
- keycontainerpermission.cs
- RSAPKCS1KeyExchangeFormatter.cs
- Error.cs
- ZipIOExtraFieldZip64Element.cs
- ResXResourceWriter.cs
- XmlSchemaExternal.cs
- WebServiceHandler.cs
- StylusButtonEventArgs.cs
- WebPartExportVerb.cs
- RootDesignerSerializerAttribute.cs
- MenuItemBindingCollection.cs
- DataGridViewTextBoxCell.cs
- MessageQueueEnumerator.cs
- TitleStyle.cs
- CompressionTransform.cs
- BufferedOutputStream.cs
- ApplicationContext.cs
- DataGridViewBand.cs
- SliderAutomationPeer.cs
- WindowsListViewGroupHelper.cs
- RequestResizeEvent.cs
- RequiredFieldValidator.cs
- NumberFunctions.cs
- ProfileManager.cs
- XmlDomTextWriter.cs
- SQLDateTime.cs
- InkCanvasFeedbackAdorner.cs
- SettingsBase.cs
- BaseTemplateParser.cs
- ImpersonateTokenRef.cs
- HostingEnvironmentSection.cs
- VerificationException.cs
- CustomActivityDesigner.cs
- XmlElementAttribute.cs
- AliasGenerator.cs