Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / UIAutomation / UIAutomationClient / System / Windows / Automation / AndCondition.cs / 1305600 / AndCondition.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: // // History: // 10/14/2003 : BrendanM - Created // //--------------------------------------------------------------------------- // PRESHARP: In order to avoid generating warnings about unkown message numbers and unknown pragmas. #pragma warning disable 1634, 1691 using System; using MS.Internal.Automation; using System.Windows.Automation; using System.Runtime.InteropServices; namespace System.Windows.Automation { ////// Condition that checks whether a pattern is currently present for a LogicalElement /// #if (INTERNAL_COMPILE) internal class AndCondition : Condition #else public class AndCondition : Condition #endif { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Constructor to create a condition that is true if all of the sub-conditions are true /// /// One or more sub-condition public AndCondition( params Condition [ ] conditions ) { Misc.ValidateArgumentNonNull( conditions, "conditions" ); Misc.ValidateArgument( conditions.Length >= 2, SRID.MustBeAtLeastTwoConditions ); foreach( Condition condition in conditions ) { Misc.ValidateArgumentNonNull( condition, "conditions" ); } // clone array to prevent accidental tampering _conditions = (Condition [ ]) conditions.Clone(); _conditionArrayHandle = SafeConditionMemoryHandle.AllocateConditionArrayHandle(_conditions); // DangerousGetHandle() reminds us that the IntPtr we get back could be collected/released/recycled. We're safe here, // because the Conditions are structured in a tree, with the root one (which gets passed to the Uia API) keeping all // others - and their associated data - alive. (Recycling isn't an issue as these are immutable classes.) SetMarshalData(new UiaCoreApi.UiaAndOrCondition(UiaCoreApi.ConditionType.And, _conditionArrayHandle.DangerousGetHandle(), _conditions.Length)); } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods ////// Returns an array of the sub conditions for this condition. /// ////// The returned array is a copy; modifying it will not affect the /// state of the condition. /// public Condition [ ] GetConditions() { return (Condition []) _conditions.Clone(); } #endregion Public Methods //------------------------------------------------------ // // Private Fields // //------------------------------------------------------ #region Private Fields Condition [ ] _conditions; SafeConditionMemoryHandle _conditionArrayHandle; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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