Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / UIAutomation / UIAutomationClient / System / Windows / Automation / GridPattern.cs / 1305600 / GridPattern.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Client-side wrapper for Grid Pattern // // History: // 06/23/2003 : BrendanM Ported to WCP // //--------------------------------------------------------------------------- using System; using System.Windows.Automation.Provider; using MS.Internal.Automation; namespace System.Windows.Automation { ///#if (INTERNAL_COMPILE) internal class GridPattern: BasePattern #else public class GridPattern: BasePattern #endif { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors internal GridPattern(AutomationElement el, SafePatternHandle hPattern, bool cached) : base(el, hPattern) { _hPattern = hPattern; _cached = cached; } #endregion Constructors //------------------------------------------------------ // // Public Constants / Readonly Fields // //----------------------------------------------------- #region Public Constants and Readonly Fields /// Grid pattern public static readonly AutomationPattern Pattern = GridPatternIdentifiers.Pattern; ///RowCount public static readonly AutomationProperty RowCountProperty = GridPatternIdentifiers.RowCountProperty; ///ColumnCount public static readonly AutomationProperty ColumnCountProperty = GridPatternIdentifiers.ColumnCountProperty; #endregion Public Constants and Readonly Fields //------------------------------------------------------ // // Public Methods // //------------------------------------------------------ #region Public Methods ////// Obtain the AutomationElement at an zero based absolute position in the grid. /// Where 0,0 is top left /// /// Row of item to get /// Column of item to get /// ////// This API does not work inside the secure execution environment. /// public AutomationElement GetItem(int row, int column) { SafeNodeHandle hNode = UiaCoreApi.GridPattern_GetItem(_hPattern, row, column); return AutomationElement.Wrap(hNode); } #endregion Public Methods //----------------------------------------------------- // // Public Properties // //------------------------------------------------------ #region Public Properties ////// /// This member allows access to previously requested /// cached properties for this element. The returned object /// has accessors for each property defined for this pattern. /// ////// Cached property values must have been previously requested /// using a CacheRequest. If you try to access a cached /// property that was not previously requested, an InvalidOperation /// Exception will be thrown. /// /// To get the value of a property at the current point in time, /// access the property via the Current accessor instead of /// Cached. /// public GridPatternInformation Cached { get { Misc.ValidateCached(_cached); return new GridPatternInformation(_el, true); } } ////// This member allows access to current property values /// for this element. The returned object has accessors for /// each property defined for this pattern. /// ////// This pattern must be from an AutomationElement with a /// Full reference in order to get current values. If the /// AutomationElement was obtained using AutomationElementMode.None, /// then it contains only cached data, and attempting to get /// the current value of any property will throw an InvalidOperationException. /// /// To get the cached value of a property that was previously /// specified using a CacheRequest, access the property via the /// Cached accessor instead of Current. /// public GridPatternInformation Current { get { Misc.ValidateCurrent(_hPattern); return new GridPatternInformation(_el, false); } } #endregion Public Properties //----------------------------------------------------- // // Internal Methods // //----------------------------------------------------- #region Internal Methods internal static object Wrap(AutomationElement el, SafePatternHandle hPattern, bool cached) { return new GridPattern( el, hPattern, cached ); } #endregion Internal Methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields internal SafePatternHandle _hPattern; internal bool _cached; // internal, since protected makes this publically visible #endregion Private Fields //----------------------------------------------------- // // Nested Classes // //------------------------------------------------------ #region Nested Classes ////// This class provides access to either Cached or Current /// properties on a pattern via the pattern's .Cached or /// .Current accessors. /// public struct GridPatternInformation { //------------------------------------------------------ // // Constructors // //----------------------------------------------------- #region Constructors internal GridPatternInformation(AutomationElement el, bool useCache) { _el = el; _useCache = useCache; } #endregion Constructors //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- #region Public Properties ////// number of rows in the grid /// /// ////// This API does not work inside the secure execution environment. /// public int RowCount { get { return (int)_el.GetPatternPropertyValue(RowCountProperty, _useCache); } } ////// /// number of columns in the grid /// /// ////// This API does not work inside the secure execution environment. /// public int ColumnCount { get { return (int)_el.GetPatternPropertyValue(ColumnCountProperty, _useCache); } } #endregion Public Properties //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationElement _el; // AutomationElement that contains the cache or live reference private bool _useCache; // true to use cache, false to use live reference to get current values #endregion Private Fields } #endregion Nested Classes } } // 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
- EventLogReader.cs
- RequestResponse.cs
- XmlSchemaAnnotated.cs
- UpdateCompiler.cs
- FixedSOMPageElement.cs
- X509PeerCertificateAuthenticationElement.cs
- CompareValidator.cs
- XmlQueryType.cs
- RegisteredHiddenField.cs
- BorderSidesEditor.cs
- DispatcherExceptionFilterEventArgs.cs
- SplitterCancelEvent.cs
- ConstructorArgumentAttribute.cs
- SQLInt16Storage.cs
- CryptographicAttribute.cs
- HotSpot.cs
- ToolStripDropDownItemDesigner.cs
- SecurityCookieModeValidator.cs
- MutexSecurity.cs
- TextPatternIdentifiers.cs
- AlphabeticalEnumConverter.cs
- Types.cs
- DataBinder.cs
- BuildProviderUtils.cs
- ProxyHwnd.cs
- PersonalizationEntry.cs
- DataAdapter.cs
- InsufficientMemoryException.cs
- UnsafeNativeMethods.cs
- CreateDataSourceDialog.cs
- DeflateStream.cs
- OutputCacheModule.cs
- UnsafeNativeMethodsPenimc.cs
- COM2DataTypeToManagedDataTypeConverter.cs
- DataService.cs
- CommonProperties.cs
- XpsStructure.cs
- SafeNativeMethods.cs
- ControlPropertyNameConverter.cs
- ClientConvert.cs
- PageParserFilter.cs
- EventRoute.cs
- ScrollBar.cs
- XmlSiteMapProvider.cs
- FixedDocument.cs
- SerialErrors.cs
- UnknownBitmapDecoder.cs
- UriScheme.cs
- SqlServices.cs
- PointF.cs
- ValidationHelper.cs
- XPathScanner.cs
- EntityObject.cs
- DocumentXPathNavigator.cs
- Stopwatch.cs
- loginstatus.cs
- SerialStream.cs
- FlowDecisionLabelFeature.cs
- EntityViewContainer.cs
- controlskin.cs
- SqlWebEventProvider.cs
- DisplayInformation.cs
- XmlSerializerAssemblyAttribute.cs
- Point4D.cs
- ExcCanonicalXml.cs
- HashRepartitionStream.cs
- Permission.cs
- CompiledRegexRunner.cs
- XmlUtf8RawTextWriter.cs
- LightweightCodeGenerator.cs
- PrinterUnitConvert.cs
- GridViewColumnHeaderAutomationPeer.cs
- ScrollChrome.cs
- DesignerActionMethodItem.cs
- ObjectQuery.cs
- ContextMenuStrip.cs
- TextElement.cs
- EncoderNLS.cs
- OwnerDrawPropertyBag.cs
- ToolZone.cs
- TraceHandlerErrorFormatter.cs
- XmlCustomFormatter.cs
- X509ChainElement.cs
- XmlSchemaSimpleContentExtension.cs
- MimeMultiPart.cs
- HttpCapabilitiesBase.cs
- CultureInfo.cs
- UnknownBitmapEncoder.cs
- MailDefinition.cs
- ImageConverter.cs
- ExpanderAutomationPeer.cs
- DataServiceCollectionOfT.cs
- SelectedPathEditor.cs
- FixedTextSelectionProcessor.cs
- DeploymentExceptionMapper.cs
- ComponentEvent.cs
- Internal.cs
- BinaryObjectReader.cs
- XmlSchemaException.cs
- MimeWriter.cs