@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: Retrieves a requested interface pointer for an accessible object based on a previously generated object reference !!!!C# Signature: [DllImport("oleacc.dll", PreserveSig=false)] [return: MarshalAs(UnmanagedType.Interface)] static extern object ObjectFromLresult(UIntPtr lResult, [MarshalAs(UnmanagedType.LPStruct)] Guid refiid, IntPtr wParam); !!!!VB Signature: Declare Auto Function ObjectFromLresult Lib "oleacc.dll" (ByVal lResult As UIntPtr, <MarshalAs(UnmanagedType.LPStruct)> ByVal refiid As Guid, ByVal wParam As IntPtr) As <MarshalAs(UnmanagedType.Interface)> Object or <Dllimport("oleacc.dll")> _ Shared Function ObjectFromLresult(ByVal lResult As UIntPtr, <MarshalAs(UnmanagedType.LPStruct)> ByVal refiid As Guid, ByVal wParam As IntPtr) As <MarshalAs(UnmanagedType.Interface)> Object End Function !!!!User-Defined Types: None. !!!!Notes: None. !!!!Tips & Tricks: Please add some! !!!!Sample Code: // Get the ActiveX interface of some window of class "Internet Explorer_Server" IntPtr hWnd = GetThatWindow(); // from wherever uint nMsg = RegisterWindowMessage("WM_HTML_GETOBJECT"); UIntPtr lRes; if ( SendMessageTimeout(hWnd, nMsg, UIntPtr.Zero, IntPtr.Zero, SendMessageTimeoutFlags.SMTO_ABORTIFHUNG, 1000, out lRes) == IntPtr.Zero ) return null; return (mshtml.IHTMLDocument) ObjectFromLresult(lRes, typeof(mshtml.IHTMLDocument).GUID, IntPtr.Zero); See: http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q249232 !!!!Alternative Managed API: Do you know one? Please contribute it! Documentation: ObjectFromLresult@msdn on MSDN
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