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
- File.cs
- TextBoxAutoCompleteSourceConverter.cs
- ImageInfo.cs
- SqlDataSourceDesigner.cs
- MultiAsyncResult.cs
- ParserStreamGeometryContext.cs
- MinMaxParagraphWidth.cs
- TableRowCollection.cs
- DbDataReader.cs
- XmlMtomWriter.cs
- DBNull.cs
- DesignerVerbCollection.cs
- SocketAddress.cs
- StrokeRenderer.cs
- XmlSequenceWriter.cs
- SingleConverter.cs
- HyperLink.cs
- FunctionGenerator.cs
- ILGenerator.cs
- PersonalizationStateQuery.cs
- CipherData.cs
- EnvelopedSignatureTransform.cs
- Serializer.cs
- BinaryFormatterWriter.cs
- ProcessModelSection.cs
- RelationHandler.cs
- EmptyQuery.cs
- DbException.cs
- DocumentViewerHelper.cs
- TargetInvocationException.cs
- Polygon.cs
- Typography.cs
- Point3DConverter.cs
- Parameter.cs
- RowType.cs
- ExpandedProjectionNode.cs
- Timer.cs
- ActionNotSupportedException.cs
- SettingsProperty.cs
- QueryStringParameter.cs
- SafeFileMappingHandle.cs
- Utils.cs
- DataSetViewSchema.cs
- CodeTypeDelegate.cs
- SparseMemoryStream.cs
- SafeNativeMethodsCLR.cs
- RegexCompiler.cs
- RetrieveVirtualItemEventArgs.cs
- HashAlgorithm.cs
- ReadOnlyCollectionBuilder.cs
- StreamUpdate.cs
- WebException.cs
- SafeRegistryHandle.cs
- HebrewNumber.cs
- DesignerCalendarAdapter.cs
- ArgumentOutOfRangeException.cs
- StatusBar.cs
- HashStream.cs
- QuaternionKeyFrameCollection.cs
- SecurityIdentifierConverter.cs
- EmissiveMaterial.cs
- EdmProperty.cs
- TagPrefixAttribute.cs
- IndexerReference.cs
- StrictModeSecurityHeaderElementInferenceEngine.cs
- SchemaExporter.cs
- SpellerStatusTable.cs
- HostedBindingBehavior.cs
- SplineQuaternionKeyFrame.cs
- CommandEventArgs.cs
- FixedHyperLink.cs
- AuthorizationRule.cs
- DeriveBytes.cs
- HMAC.cs
- CompilerResults.cs
- FlowDocumentPaginator.cs
- SynchronizedPool.cs
- Task.cs
- ViewLoader.cs
- ActivityMarkupSerializer.cs
- HorizontalAlignConverter.cs
- DbConnectionOptions.cs
- ModuleBuilderData.cs
- CustomValidator.cs
- XPathException.cs
- assertwrapper.cs
- TreeNodeBindingCollection.cs
- CollectionView.cs
- Funcletizer.cs
- OrderedDictionary.cs
- EventLogEntry.cs
- GridItemProviderWrapper.cs
- RectangleHotSpot.cs
- OdbcErrorCollection.cs
- IsolationInterop.cs
- DirectionalLight.cs
- WorkflowValidationFailedException.cs
- BaseComponentEditor.cs
- HeaderedItemsControl.cs
- HtmlTableRow.cs