Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / UIAutomation / UIAutomationClient / System / Windows / Automation / TreeWalker.cs / 1 / TreeWalker.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: TreeWalker class, allows client to walk custom views of // UIAutomation tree. // // History: // 02/05/2004 : BrendanM Created // //--------------------------------------------------------------------------- using System; using System.Windows.Automation.Provider; using MS.Internal.Automation; namespace System.Windows.Automation { ////// TreeWalker - used to walk over a view of the UIAutomation tree /// #if (INTERNAL_COMPILE) internal sealed class TreeWalker #else public sealed class TreeWalker #endif { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Create a tree walker that can be used to walk a specified /// view of the UIAutomation tree. /// /// Condition defining the view - nodes that do not satisfy this condition are skipped over public TreeWalker(Condition condition) { Misc.ValidateArgumentNonNull(condition, "condition"); _condition = condition; } #endregion Constructors //------------------------------------------------------ // // Public Constants / Readonly Fields // //----------------------------------------------------- #region Public Constants and Readonly Fields ////// Predefined TreeWalker for walking the Raw view of the UIAutomation tree /// public static readonly TreeWalker RawViewWalker = new TreeWalker(Automation.RawViewCondition); ////// Predefined TreeWalker for walking the Control view of the UIAutomation tree /// public static readonly TreeWalker ControlViewWalker = new TreeWalker(Automation.ControlViewCondition); ////// Predefined TreeWalker for walking the Content view of the UIAutomation tree /// public static readonly TreeWalker ContentViewWalker = new TreeWalker(Automation.ContentViewCondition); #endregion Public Constants and Readonly Fields //------------------------------------------------------ // // Public Methods // //------------------------------------------------------ #region Public Methods ////// Get the parent of the specified element, in the current view /// /// element to get the parent of ///The parent of the specified element; can be null if /// specified element was the root element ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetParent(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.Parent, _condition, null); } ////// Get the first child of the specified element, in the current view /// /// element to get the first child of ///The frst child of the specified element - or null if /// the specified element has no children ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetFirstChild(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.FirstChild, _condition, null); } ////// Get the last child of the specified element, in the current view /// /// element to get the last child of ///The last child of the specified element - or null if /// the specified element has no children ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetLastChild(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.LastChild, _condition, null); } ////// Get the next sibling of the specified element, in the current view /// /// element to get the next sibling of ///The next sibling of the specified element - or null if the /// specified element has no next sibling ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetNextSibling(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.NextSibling, _condition, null); } ////// Get the previous sibling of the specified element, in the current view /// /// element to get the previous sibling of ///The previous sibling of the specified element - or null if the /// specified element has no previous sibling ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetPreviousSibling(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.PreviousSibling, _condition, null); } ////// Return the element or the nearest ancestor which is present in /// the view of the tree used by this treewalker /// /// element to normalize ///The element or the nearest ancestor which satisfies the /// condition used by this TreeWalker ////// This method starts at the specified element and walks up the /// tree until it finds an element that satisfies the TreeWalker's /// condition. /// /// If the passed-in element itself satsifies the condition, it is /// returned as-is. /// /// If the process of walking up the tree hits the root node, then /// the root node is returned, regardless of whether it satisfies /// the condition or not. /// public AutomationElement Normalize(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Normalize(_condition, null); } ////// Get the parent of the specified element, in the current view, /// prefetching properties /// /// element to get the parent of /// CacheRequest specifying information to be prefetched ///The parent of the specified element; can be null if /// specified element was the root element ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetParent(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.Parent, _condition, request); } ////// Get the first child of the specified element, in the current view, /// prefetching properties /// /// element to get the first child of /// CacheRequest specifying information to be prefetched ///The frst child of the specified element - or null if /// the specified element has no children ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetFirstChild(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.FirstChild, _condition, request); } ////// Get the last child of the specified element, in the current view, /// prefetching properties /// /// element to get the last child of /// CacheRequest specifying information to be prefetched ///The last child of the specified element - or null if /// the specified element has no children ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetLastChild(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.LastChild, _condition, request); } ////// Get the next sibling of the specified element, in the current view, /// prefetching properties /// /// element to get the next sibling of /// CacheRequest specifying information to be prefetched ///The next sibling of the specified element - or null if the /// specified element has no next sibling ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetNextSibling(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.NextSibling, _condition, request); } ////// Get the previous sibling of the specified element, in the current view, /// prefetching properties /// /// element to get the previous sibling of /// CacheRequest specifying information to be prefetched ///The previous sibling of the specified element - or null if the /// specified element has no previous sibling ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetPreviousSibling(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.PreviousSibling, _condition, request); } ////// Return the element or the nearest ancestor which is present in /// the view of the tree used by this treewalker, prefetching properties /// for the returned node /// /// element to normalize /// CacheRequest specifying information to be prefetched ///The element or the nearest ancestor which satisfies the /// condition used by this TreeWalker ////// This method starts at the specified element and walks up the /// tree until it finds an element that satisfies the TreeWalker's /// condition. /// /// If the passed-in element itself satsifies the condition, it is /// returned as-is. /// /// If the process of walking up the tree hits the root node, then /// the root node is returned, regardless of whether it satisfies /// the condition or not. /// public AutomationElement Normalize(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Normalize(_condition, request); } #endregion Public Methods //----------------------------------------------------- // // Public Properties // //------------------------------------------------------ #region Public Properties ////// Returns the condition used by this TreeWalker. The TreeWalker /// skips over nodes that do not satisfy the condition. /// public Condition Condition { get { return _condition; } } #endregion Public Properties //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private Condition _condition; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: TreeWalker class, allows client to walk custom views of // UIAutomation tree. // // History: // 02/05/2004 : BrendanM Created // //--------------------------------------------------------------------------- using System; using System.Windows.Automation.Provider; using MS.Internal.Automation; namespace System.Windows.Automation { ////// TreeWalker - used to walk over a view of the UIAutomation tree /// #if (INTERNAL_COMPILE) internal sealed class TreeWalker #else public sealed class TreeWalker #endif { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Create a tree walker that can be used to walk a specified /// view of the UIAutomation tree. /// /// Condition defining the view - nodes that do not satisfy this condition are skipped over public TreeWalker(Condition condition) { Misc.ValidateArgumentNonNull(condition, "condition"); _condition = condition; } #endregion Constructors //------------------------------------------------------ // // Public Constants / Readonly Fields // //----------------------------------------------------- #region Public Constants and Readonly Fields ////// Predefined TreeWalker for walking the Raw view of the UIAutomation tree /// public static readonly TreeWalker RawViewWalker = new TreeWalker(Automation.RawViewCondition); ////// Predefined TreeWalker for walking the Control view of the UIAutomation tree /// public static readonly TreeWalker ControlViewWalker = new TreeWalker(Automation.ControlViewCondition); ////// Predefined TreeWalker for walking the Content view of the UIAutomation tree /// public static readonly TreeWalker ContentViewWalker = new TreeWalker(Automation.ContentViewCondition); #endregion Public Constants and Readonly Fields //------------------------------------------------------ // // Public Methods // //------------------------------------------------------ #region Public Methods ////// Get the parent of the specified element, in the current view /// /// element to get the parent of ///The parent of the specified element; can be null if /// specified element was the root element ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetParent(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.Parent, _condition, null); } ////// Get the first child of the specified element, in the current view /// /// element to get the first child of ///The frst child of the specified element - or null if /// the specified element has no children ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetFirstChild(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.FirstChild, _condition, null); } ////// Get the last child of the specified element, in the current view /// /// element to get the last child of ///The last child of the specified element - or null if /// the specified element has no children ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetLastChild(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.LastChild, _condition, null); } ////// Get the next sibling of the specified element, in the current view /// /// element to get the next sibling of ///The next sibling of the specified element - or null if the /// specified element has no next sibling ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetNextSibling(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.NextSibling, _condition, null); } ////// Get the previous sibling of the specified element, in the current view /// /// element to get the previous sibling of ///The previous sibling of the specified element - or null if the /// specified element has no previous sibling ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetPreviousSibling(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Navigate(NavigateDirection.PreviousSibling, _condition, null); } ////// Return the element or the nearest ancestor which is present in /// the view of the tree used by this treewalker /// /// element to normalize ///The element or the nearest ancestor which satisfies the /// condition used by this TreeWalker ////// This method starts at the specified element and walks up the /// tree until it finds an element that satisfies the TreeWalker's /// condition. /// /// If the passed-in element itself satsifies the condition, it is /// returned as-is. /// /// If the process of walking up the tree hits the root node, then /// the root node is returned, regardless of whether it satisfies /// the condition or not. /// public AutomationElement Normalize(AutomationElement element) { Misc.ValidateArgumentNonNull(element, "element"); return element.Normalize(_condition, null); } ////// Get the parent of the specified element, in the current view, /// prefetching properties /// /// element to get the parent of /// CacheRequest specifying information to be prefetched ///The parent of the specified element; can be null if /// specified element was the root element ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetParent(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.Parent, _condition, request); } ////// Get the first child of the specified element, in the current view, /// prefetching properties /// /// element to get the first child of /// CacheRequest specifying information to be prefetched ///The frst child of the specified element - or null if /// the specified element has no children ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetFirstChild(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.FirstChild, _condition, request); } ////// Get the last child of the specified element, in the current view, /// prefetching properties /// /// element to get the last child of /// CacheRequest specifying information to be prefetched ///The last child of the specified element - or null if /// the specified element has no children ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetLastChild(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.LastChild, _condition, request); } ////// Get the next sibling of the specified element, in the current view, /// prefetching properties /// /// element to get the next sibling of /// CacheRequest specifying information to be prefetched ///The next sibling of the specified element - or null if the /// specified element has no next sibling ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetNextSibling(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.NextSibling, _condition, request); } ////// Get the previous sibling of the specified element, in the current view, /// prefetching properties /// /// element to get the previous sibling of /// CacheRequest specifying information to be prefetched ///The previous sibling of the specified element - or null if the /// specified element has no previous sibling ///The view used is determined by the condition passed to /// the constructor - elements that do not satisfy that condition /// are skipped over public AutomationElement GetPreviousSibling(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Navigate(NavigateDirection.PreviousSibling, _condition, request); } ////// Return the element or the nearest ancestor which is present in /// the view of the tree used by this treewalker, prefetching properties /// for the returned node /// /// element to normalize /// CacheRequest specifying information to be prefetched ///The element or the nearest ancestor which satisfies the /// condition used by this TreeWalker ////// This method starts at the specified element and walks up the /// tree until it finds an element that satisfies the TreeWalker's /// condition. /// /// If the passed-in element itself satsifies the condition, it is /// returned as-is. /// /// If the process of walking up the tree hits the root node, then /// the root node is returned, regardless of whether it satisfies /// the condition or not. /// public AutomationElement Normalize(AutomationElement element, CacheRequest request) { Misc.ValidateArgumentNonNull(element, "element"); Misc.ValidateArgumentNonNull(request, "request"); return element.Normalize(_condition, request); } #endregion Public Methods //----------------------------------------------------- // // Public Properties // //------------------------------------------------------ #region Public Properties ////// Returns the condition used by this TreeWalker. The TreeWalker /// skips over nodes that do not satisfy the condition. /// public Condition Condition { get { return _condition; } } #endregion Public Properties //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private Condition _condition; #endregion Private Fields } } // 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
- NumberSubstitution.cs
- BoundingRectTracker.cs
- XpsFontSubsetter.cs
- HealthMonitoringSectionHelper.cs
- UnwrappedTypesXmlSerializerManager.cs
- SingleAnimationBase.cs
- VirtualDirectoryMappingCollection.cs
- QuerySafeNavigator.cs
- DataSourceView.cs
- FtpWebResponse.cs
- CompositeCollection.cs
- BitmapImage.cs
- MessageOperationFormatter.cs
- FloaterBaseParagraph.cs
- ToolBarButton.cs
- SafeCloseHandleCritical.cs
- TypeExtension.cs
- OdbcHandle.cs
- RegisteredArrayDeclaration.cs
- MenuItemAutomationPeer.cs
- ObjectFactoryCodeDomTreeGenerator.cs
- RouteItem.cs
- Transform.cs
- EncryptedType.cs
- AssertValidation.cs
- StaticFileHandler.cs
- Label.cs
- CheckBoxRenderer.cs
- SqlRowUpdatingEvent.cs
- GenericWebPart.cs
- XmlSchemaObjectTable.cs
- SoapFault.cs
- GuidConverter.cs
- ProtocolElementCollection.cs
- odbcmetadatacolumnnames.cs
- BinaryFormatterSinks.cs
- ZoneButton.cs
- ProviderConnectionPoint.cs
- WpfXamlType.cs
- DigestTraceRecordHelper.cs
- WebPartConnectionsCancelVerb.cs
- FixedDocument.cs
- XmlDomTextWriter.cs
- Style.cs
- ObjectParameterCollection.cs
- ContourSegment.cs
- ServiceMetadataBehavior.cs
- WinEventWrap.cs
- Executor.cs
- MergeFailedEvent.cs
- SystemResources.cs
- PointLight.cs
- EventLogPermission.cs
- RequestTimeoutManager.cs
- regiisutil.cs
- CoreSwitches.cs
- MailAddressParser.cs
- ImageCodecInfoPrivate.cs
- ModuleBuilderData.cs
- Iis7Helper.cs
- AccessViolationException.cs
- Encoding.cs
- EncoderFallback.cs
- TypeSystem.cs
- BrushValueSerializer.cs
- MobileControlPersister.cs
- StandardToolWindows.cs
- GeneralTransformCollection.cs
- FlowDocumentReaderAutomationPeer.cs
- Matrix3D.cs
- SystemDiagnosticsSection.cs
- BitmapScalingModeValidation.cs
- PreviewPrintController.cs
- BindingExpressionBase.cs
- XmlSchemaComplexContent.cs
- COAUTHIDENTITY.cs
- ObfuscateAssemblyAttribute.cs
- GeneralTransform3D.cs
- EmptyControlCollection.cs
- ApplicationInfo.cs
- ControlBindingsCollection.cs
- ErrorHandler.cs
- WindowsIdentity.cs
- MultiView.cs
- FormatException.cs
- BindingManagerDataErrorEventArgs.cs
- TableLayoutStyleCollection.cs
- StronglyTypedResourceBuilder.cs
- TextRangeEditLists.cs
- ZipIORawDataFileBlock.cs
- MultipartIdentifier.cs
- EntityConnection.cs
- Win32.cs
- ListParagraph.cs
- HitTestWithPointDrawingContextWalker.cs
- ETagAttribute.cs
- ScrollProperties.cs
- OutputCacheEntry.cs
- TableSectionStyle.cs
- HttpRequest.cs