Thank you very much for your reply

Ganesh_T wrote: This function is used to start the external exe... Actually, it all depends on the verb. The "open" verb is one of many that are used by ShellExecute(). "The largest fire starts but with the smallest spark." - David Crow "Judge not by the eye but by the heart." - Native American Proverb

MSDN (Microsoft's Developer web pages) will tell you everything you need to know. Also, you might want to try Google, using "BSTR" and/or "VARIANT" as your search parameters. msdn.microsoft.com www.google.com :) Hope that helps!

Thank you very much:)

Create your class derived from CSplitterWnd. add a funtion ChangeView to it. Use this class to split and change your view. ChangeView(int row, int col, CRuntimeClass* pViewClass) { ASSERT(pViewClass->IsDerivedFrom(RUNTIME_CLASS(CView))); CView* pView = STATIC_DOWNCAST(CView, GetPane(row, col)); CFrameWnd* pFrame = pView->GetParentFrame(); ASSERT(pFrame); // set up create context to preserve doc/frame etc. CCreateContext cc; memset(&cc, sizeof(cc), 0); cc.m_pNewViewClass = pViewClass; cc.m_pCurrentDoc = pView->GetDocument(); cc.m_pNewDocTemplate = cc.m_pCurrentDoc ? cc.m_pCurrentDoc->GetDocTemplate() : NULL; cc.m_pCurrentFrame = pFrame; DeleteView(row, col); // delete old view VERIFY(CreateView(row, col, // create new one pViewClass, CSize(0,0), // will fix in RecalcLayout &cc)); RecalcLayout(); // recompute layout // initialize the view CWnd* pWnd = GetPane(row, col); if (pWnd) pWnd->SendMessage(WM_INITIALUPDATE); } Regards Anil

manognya wrote: w can Idisable a button at run time depending on the inputs given by the user Is EnableWindow Api is of any Help! "Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow cheers, Alok Gupta VC Forum Q&A :- I/ IV Support CRY- Child Relief and You