Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / 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
- CustomExpressionEventArgs.cs
- BCLDebug.cs
- DllNotFoundException.cs
- IdentifierService.cs
- WindowsEditBox.cs
- GPStream.cs
- BindingBase.cs
- ViewGenerator.cs
- AudioBase.cs
- ModelTypeConverter.cs
- CodeConditionStatement.cs
- BaseTemplateCodeDomTreeGenerator.cs
- EntityViewGenerationConstants.cs
- ObjectSecurity.cs
- SamlNameIdentifierClaimResource.cs
- ReceiveParametersContent.cs
- CodeNamespaceCollection.cs
- CharAnimationBase.cs
- UnsafeNativeMethods.cs
- DriveInfo.cs
- DatagramAdapter.cs
- Decoder.cs
- TraceHandlerErrorFormatter.cs
- sqlnorm.cs
- CacheMemory.cs
- Substitution.cs
- InfoCardRSAOAEPKeyExchangeDeformatter.cs
- SqlMethodTransformer.cs
- FormsAuthenticationTicket.cs
- FormsAuthenticationEventArgs.cs
- DefaultEventAttribute.cs
- SQLBinary.cs
- StatusInfoItem.cs
- FreezableOperations.cs
- GridViewHeaderRowPresenter.cs
- AppSecurityManager.cs
- DataFormats.cs
- HttpStreamXmlDictionaryWriter.cs
- TraceHwndHost.cs
- OdbcInfoMessageEvent.cs
- SoapInteropTypes.cs
- While.cs
- _Semaphore.cs
- ImportCatalogPart.cs
- QueueAccessMode.cs
- BookmarkEventArgs.cs
- PropertyInfoSet.cs
- RoutedUICommand.cs
- ClientType.cs
- AssertHelper.cs
- PageAsyncTaskManager.cs
- TemplatePropertyEntry.cs
- FormClosedEvent.cs
- VirtualizedItemProviderWrapper.cs
- WindowsFormsSectionHandler.cs
- DataGridHeaderBorder.cs
- TabControl.cs
- DecimalAnimation.cs
- CroppedBitmap.cs
- ConfigXmlAttribute.cs
- RSACryptoServiceProvider.cs
- WebHttpDispatchOperationSelector.cs
- Pair.cs
- Util.cs
- SystemIcmpV6Statistics.cs
- ExtensionQuery.cs
- ParameterCollection.cs
- PostBackTrigger.cs
- CompiledWorkflowDefinitionContext.cs
- XamlRtfConverter.cs
- TypedDataSetSchemaImporterExtension.cs
- ShadowGlyph.cs
- LineGeometry.cs
- RelationshipFixer.cs
- TreeNodeBinding.cs
- MdbDataFileEditor.cs
- MachineKeyConverter.cs
- XhtmlBasicPageAdapter.cs
- MouseGesture.cs
- IndividualDeviceConfig.cs
- CodeConstructor.cs
- InputEventArgs.cs
- NameObjectCollectionBase.cs
- FilterElement.cs
- TypedRowHandler.cs
- ConfigUtil.cs
- WebPartConnectVerb.cs
- login.cs
- ToolbarAUtomationPeer.cs
- UpWmlMobileTextWriter.cs
- Comparer.cs
- SimpleBitVector32.cs
- RootBrowserWindow.cs
- DefaultTraceListener.cs
- UnderstoodHeaders.cs
- Compiler.cs
- SharedPerformanceCounter.cs
- RuleSetCollection.cs
- GridLength.cs
- DataTemplate.cs