Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / System / Windows / Automation / Peers / TreeViewItemAutomationPeer.cs / 1 / TreeViewItemAutomationPeer.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.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 TreeViewItemAutomationPeer : FrameworkElementAutomationPeer, IExpandCollapseProvider, ISelectionItemProvider, IScrollItemProvider { /// public TreeViewItemAutomationPeer(TreeViewItem owner): base(owner) { } /// override protected string GetClassNameCore() { return "TreeViewItem"; } /// override protected AutomationControlType GetAutomationControlTypeCore() { return AutomationControlType.TreeItem; } /// override public object GetPattern(PatternInterface patternInterface) { if (patternInterface == PatternInterface.ExpandCollapse) { return this; } else if (patternInterface == PatternInterface.SelectionItem) { return this; } else if (patternInterface == PatternInterface.ScrollItem) { return this; } return null; } /// void IExpandCollapseProvider.Expand() { if(!IsEnabled()) throw new ElementNotEnabledException(); TreeViewItem treeViewItem = (TreeViewItem)Owner; if (!treeViewItem.HasItems) { throw new InvalidOperationException(SR.Get(SRID.UIA_OperationCannotBePerformed)); } treeViewItem.IsExpanded = true; } /// void IExpandCollapseProvider.Collapse() { if(!IsEnabled()) throw new ElementNotEnabledException(); TreeViewItem treeViewItem = (TreeViewItem)Owner; if (!treeViewItem.HasItems) { throw new InvalidOperationException(SR.Get(SRID.UIA_OperationCannotBePerformed)); } treeViewItem.IsExpanded = false; } ExpandCollapseState IExpandCollapseProvider.ExpandCollapseState { get { TreeViewItem treeViewItem = (TreeViewItem)Owner; if (treeViewItem.HasItems) return treeViewItem.IsExpanded ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed; else return ExpandCollapseState.LeafNode; } } // [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] internal void RaiseExpandCollapseAutomationEvent(bool oldValue, bool newValue) { RaisePropertyChangedEvent( ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty, oldValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed, newValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed); } #region ISelectionItemProvider ////// Selects this element, removing any other element from the selection. /// void ISelectionItemProvider.Select() { ((TreeViewItem)Owner).IsSelected = true; } ////// Selects this item. /// void ISelectionItemProvider.AddToSelection() { TreeView treeView = ((TreeViewItem)Owner).ParentTreeView; // If TreeView already has a selected item different from current - we cannot add to selection and throw if (treeView == null || (treeView.SelectedItem != null && treeView.SelectedContainer != Owner)) { throw new InvalidOperationException(SR.Get(SRID.UIA_OperationCannotBePerformed)); } ((TreeViewItem)Owner).IsSelected = true; } ////// Unselects this item. /// void ISelectionItemProvider.RemoveFromSelection() { ((TreeViewItem)Owner).IsSelected = false; } ////// Returns whether the item is selected. /// bool ISelectionItemProvider.IsSelected { get { return ((TreeViewItem)Owner).IsSelected; } } ////// The logical element that supports the SelectionPattern for this item. /// IRawElementProviderSimple ISelectionItemProvider.SelectionContainer { get { ItemsControl parent = ((TreeViewItem)Owner).ParentItemsControl; if (parent != null) { AutomationPeer peer = UIElementAutomationPeer.FromElement(parent); if (peer != null) return ProviderFromPeer(peer); } return null; } } void IScrollItemProvider.ScrollIntoView() { ((TreeViewItem)Owner).BringIntoView(); } // [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] internal void RaiseAutomationIsSelectedChanged(bool isSelected) { RaisePropertyChangedEvent( SelectionItemPatternIdentifiers.IsSelectedProperty, !isSelected, isSelected); } #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.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 TreeViewItemAutomationPeer : FrameworkElementAutomationPeer, IExpandCollapseProvider, ISelectionItemProvider, IScrollItemProvider { /// public TreeViewItemAutomationPeer(TreeViewItem owner): base(owner) { } /// override protected string GetClassNameCore() { return "TreeViewItem"; } /// override protected AutomationControlType GetAutomationControlTypeCore() { return AutomationControlType.TreeItem; } /// override public object GetPattern(PatternInterface patternInterface) { if (patternInterface == PatternInterface.ExpandCollapse) { return this; } else if (patternInterface == PatternInterface.SelectionItem) { return this; } else if (patternInterface == PatternInterface.ScrollItem) { return this; } return null; } /// void IExpandCollapseProvider.Expand() { if(!IsEnabled()) throw new ElementNotEnabledException(); TreeViewItem treeViewItem = (TreeViewItem)Owner; if (!treeViewItem.HasItems) { throw new InvalidOperationException(SR.Get(SRID.UIA_OperationCannotBePerformed)); } treeViewItem.IsExpanded = true; } /// void IExpandCollapseProvider.Collapse() { if(!IsEnabled()) throw new ElementNotEnabledException(); TreeViewItem treeViewItem = (TreeViewItem)Owner; if (!treeViewItem.HasItems) { throw new InvalidOperationException(SR.Get(SRID.UIA_OperationCannotBePerformed)); } treeViewItem.IsExpanded = false; } ExpandCollapseState IExpandCollapseProvider.ExpandCollapseState { get { TreeViewItem treeViewItem = (TreeViewItem)Owner; if (treeViewItem.HasItems) return treeViewItem.IsExpanded ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed; else return ExpandCollapseState.LeafNode; } } // [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] internal void RaiseExpandCollapseAutomationEvent(bool oldValue, bool newValue) { RaisePropertyChangedEvent( ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty, oldValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed, newValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed); } #region ISelectionItemProvider ////// Selects this element, removing any other element from the selection. /// void ISelectionItemProvider.Select() { ((TreeViewItem)Owner).IsSelected = true; } ////// Selects this item. /// void ISelectionItemProvider.AddToSelection() { TreeView treeView = ((TreeViewItem)Owner).ParentTreeView; // If TreeView already has a selected item different from current - we cannot add to selection and throw if (treeView == null || (treeView.SelectedItem != null && treeView.SelectedContainer != Owner)) { throw new InvalidOperationException(SR.Get(SRID.UIA_OperationCannotBePerformed)); } ((TreeViewItem)Owner).IsSelected = true; } ////// Unselects this item. /// void ISelectionItemProvider.RemoveFromSelection() { ((TreeViewItem)Owner).IsSelected = false; } ////// Returns whether the item is selected. /// bool ISelectionItemProvider.IsSelected { get { return ((TreeViewItem)Owner).IsSelected; } } ////// The logical element that supports the SelectionPattern for this item. /// IRawElementProviderSimple ISelectionItemProvider.SelectionContainer { get { ItemsControl parent = ((TreeViewItem)Owner).ParentItemsControl; if (parent != null) { AutomationPeer peer = UIElementAutomationPeer.FromElement(parent); if (peer != null) return ProviderFromPeer(peer); } return null; } } void IScrollItemProvider.ScrollIntoView() { ((TreeViewItem)Owner).BringIntoView(); } // [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] internal void RaiseAutomationIsSelectedChanged(bool isSelected) { RaisePropertyChangedEvent( SelectionItemPatternIdentifiers.IsSelectedProperty, !isSelected, isSelected); } #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
- CodeGotoStatement.cs
- OutKeywords.cs
- SqlSupersetValidator.cs
- BitmapEffectDrawingContextWalker.cs
- MonitoringDescriptionAttribute.cs
- StructuredProperty.cs
- InternalPolicyElement.cs
- XmlDataImplementation.cs
- DataConnectionHelper.cs
- ErrorWrapper.cs
- PixelFormatConverter.cs
- StylusButtonCollection.cs
- FloaterParaClient.cs
- AutomationPatternInfo.cs
- Types.cs
- EntityDataSourceDataSelection.cs
- IisTraceListener.cs
- TreeViewDataItemAutomationPeer.cs
- ResourceAssociationSetEnd.cs
- HeaderedItemsControl.cs
- RegexCharClass.cs
- SqlXml.cs
- PackagePartCollection.cs
- PtsHost.cs
- XmlNamespaceMappingCollection.cs
- FrameworkContextData.cs
- CultureMapper.cs
- Tile.cs
- Math.cs
- EntityModelSchemaGenerator.cs
- DiscoveryInnerClientAdhoc11.cs
- GeometryDrawing.cs
- ServiceCredentials.cs
- AxImporter.cs
- _CacheStreams.cs
- XPathNavigator.cs
- Int32EqualityComparer.cs
- SectionVisual.cs
- Pts.cs
- RefreshPropertiesAttribute.cs
- DataGridViewColumn.cs
- XamlStyleSerializer.cs
- GZipUtils.cs
- PermissionAttributes.cs
- XmlName.cs
- ProtocolsConfigurationEntry.cs
- ComponentDispatcherThread.cs
- TextAction.cs
- TextMarkerSource.cs
- CodeExporter.cs
- HashMembershipCondition.cs
- SkipQueryOptionExpression.cs
- ArrangedElementCollection.cs
- ProfileManager.cs
- SortedDictionary.cs
- PolyBezierSegmentFigureLogic.cs
- Highlights.cs
- EntryPointNotFoundException.cs
- TextOutput.cs
- AttachedPropertyDescriptor.cs
- Matrix.cs
- SchemaNamespaceManager.cs
- ReadOnlyMetadataCollection.cs
- SQLDateTimeStorage.cs
- InitiatorSessionSymmetricMessageSecurityProtocol.cs
- GeometryModel3D.cs
- ControlAdapter.cs
- InstalledFontCollection.cs
- PageCanvasSize.cs
- RadioButtonPopupAdapter.cs
- ExpressionTextBox.xaml.cs
- WebPartEventArgs.cs
- GenerateScriptTypeAttribute.cs
- UnlockInstanceAsyncResult.cs
- WaitHandle.cs
- CurrentChangingEventManager.cs
- PagedControl.cs
- EventLogConfiguration.cs
- FileChangesMonitor.cs
- ClaimComparer.cs
- ToolStripRenderer.cs
- DataGridViewCellCollection.cs
- XmlSchemaInferenceException.cs
- DesignerDataSchemaClass.cs
- TextBox.cs
- CultureInfoConverter.cs
- TextElementCollection.cs
- ImportCatalogPart.cs
- EmbossBitmapEffect.cs
- DeflateStream.cs
- ListViewContainer.cs
- NextPreviousPagerField.cs
- WindowsFormsHost.cs
- FormViewInsertedEventArgs.cs
- InvokeGenerator.cs
- ObjectManager.cs
- ContextQuery.cs
- ColorEditor.cs
- DefaultValueConverter.cs
- FixedNode.cs