@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The AccessibleChildren function retrieves the child ID or IDispatch interface of each child within an accessible container object !!!!C# Signature: [DllImport("oleacc.dll")] public static extern uint AccessibleChildren( IAccessible paccContainer, int iChildStart, int cChildren, [Out] object[] rgvarChildren, out int pcObtained); !!!!VB .NET Signature: Declare Function AccessibleChildren Lib "oleacc.dll" (ByVal paccContainer As IAccessible, ByVal iChildStart As Integer, ByVal cChildren As Integer, <[Out]()> ByVal rgvarChildren() As Object, ByRef pcObtained As Integer) As UInteger or <DllImport("oleacc.dll")> _ Function AccessibleChildren(ByVal paccContainer As IAccessible, ByVal iChildStart As Integer, ByVal cChildren As Integer, <[Out]()> ByVal rgvarChildren() As Object, ByRef pcObtained As Integer) As UInteger End Function !!!!User-Defined Types: None. !!!!Notes: In my opinion the return value should be a signed Integer (or int in c#) not an UInteger or uint. !!!!Tips & Tricks: Please add some! !!!!Sample Code: IAccessible accessible = null; AccessibleObjectFromWindow(hWnd, (uint) OBJID.WINDOW, ref guid, ref accessible); Object[] childs = new Object[accessible.accChildCount]; int obtained; AccessibleChildren(accessible, 0, accessible.accChildCount, childs, out obtained); !!!!Alternative Managed API: The ManagedWindowsApi project (http://mwinapi.sourceforge.net) provides a SystemAccessibleObject class to access accessible objects, including their children. Documentation: AccessibleChildren@msdn on MSDN
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