C / C++ / MFC

pMainFrame->ShowWindow(SW_HIDE/*m_nCmdShow*/);
	pMainFrame->UpdateWindow();		
	pMainFrame->AlarmBanner();  //FirstDailog	
	pMainFrame->ToolTab(); //Second dialog

void CMainFrame::AlarmBanner()
{
	CAlarmBanner *oAbanner;
	oAbanner = new CAlarmBanner;
	oAbanner->Create(IDD_ALARMBANNER,this);
	oAbanner->ShowWindow(SW_SHOW);
}

void CMainFrame::ToolTab()
{
	CToolTab *otoolbar;
	otoolbar = new CToolTab;
	otoolbar->Create(IDD_TOOLBAR_DIALOG,this);
	otoolbar->ShowWindow(SW_SHOW);

}

BOOL WINAPI CreateProcessAsUser(
  __in_opt     HANDLE hToken,
  __in_opt     LPCTSTR lpApplicationName,
  __inout_opt  LPTSTR lpCommandLine,
  __in_opt     LPSECURITY_ATTRIBUTES lpProcessAttributes,
  __in_opt     LPSECURITY_ATTRIBUTES lpThreadAttributes,
  __in         BOOL bInheritHandles,
  __in         DWORD dwCreationFlags,
  __in_opt     LPVOID lpEnvironment,
  __in_opt     LPCTSTR lpCurrentDirectory,
  __in         LPSTARTUPINFO lpStartupInfo,
  __out        LPPROCESS_INFORMATION lpProcessInformation
);

typedef void (*function1_ptr) ();
function1_ptr function1=NULL;

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
 	

    HMODULE myDll = LoadLibrary("myfile.dll"); 

    if(myDll)
	{  
		function1 = (function1_ptr) GetProcAddress(myDll,"function1");  

		if(function1)  
			function1();

		FreeLibrary(myDll);
    }

	return 0;
}