CStringW and CStringA

 	CStringW wString1(L"Test1");<br />
<br />
	CStringW wFormat;<br />
	wFormat.Format(L"%s",wString1);<br />
<br />
	MessageBoxW(this->m_hWnd,wFormat,L"CStringW Test",MB_OK);<br />

<br />
    // simple formatting<br />
    BOOL __cdecl Format(LPCWSTR lpszFormat, ...)<br />
    {<br />
	    // format message into temporary buffer lpszTemp<br />
	    va_list argList;<br />
	    va_start(argList, lpszFormat);<br />
	    BOOL bRet = TRUE;<br />
<br />
		int iBufLen = 0;<br />
		iBufLen = ((wcslen(lpszFormat)+2) * sizeof(wchar_t));<br />
		wchar_t *wpBuff = new wchar_t[iBufLen];<br />
		::ZeroMemory(wpBuff, iBufLen); <br />
		if(!vswprintf(wpBuff, lpszFormat, argList))<br />
			bRet = FALSE;			<br />
<br />
	    // assign wpBuff into the resulting string and delete the temporary<br />
	    va_end(argList);<br />
		*this = wpBuff;<br />
		delete [iBufLen]wpBuff;<br />
		wpBuff = NULL;<br />
		<br />
	    return bRet;<br />
    }<br />

<br />
    HRESULT hr = GetRunningObjectTable(0, &pROT);<br />

<br />
class ATL_NO_VTABLE Ctestobj : <br />
	public CComObjectRootEx<CComSingleThreadModel>,<br />
	public CComCoClass<Ctestobj, &CLSID_testobj>,<br />
	public IDispatchImpl<Itestobj, &IID_Itestobj, &LIBID_COMTESTLib><br />
{<br />
private:<br />
	<br />
<br />
public:<br />
Ctestobj()<br />
{<br />
	<br />
		dwRegister = 0;<br />
		LPRUNNINGOBJECTTABLE pROT=NULL;<br />
		//Creating an own item moniker, and register the contolling IUnknown with this Item Moniker <br />
		LPMONIKER p_moniker=NULL;<br />
<br />
		HRESULT	hres =NULL;						<br />
				<br />
		hres = CreatePointerMoniker(this,p_moniker);<br />
<br />
		if (FAILED (hres)) <br />
		{<br />
			AfxMessageBox(_T("Could not create moniker!"));<br />
			return;<br />
		}				<br />
		<br />
		HRESULT hr = GetRunningObjectTable(0, &pROT);<br />
		if (SUCCEEDED (hr) && (pROT != NULL))<br />
		{<br />
			//Register the Dispatchobject with the ItemMoniker(p_unk)<br />
			<br />
			hr = pROT->Register(ROTFLAGS_REGISTRATIONKEEPSALIVE,this,p_moniker,&dwRegister);<br />
			if (FAILED (hr)) <br />
			{<br />
				TRACE1("Register an object and its identifying moniker in the ROT failed with %d",hr);<br />
				AfxMessageBox(_T("Registration failed"));<br />
			}<br />
			(void) pROT->Release();<br />
DECLARE_REGISTRY_RESOURCEID(IDR_TESTOBJ)<br />
<br />
DECLARE_PROTECT_FINAL_CONSTRUCT()<br />
<br />
BEGIN_COM_MAP(Ctestobj)<br />
	COM_INTERFACE_ENTRY(Itestobj)<br />
	COM_INTERFACE_ENTRY(IDispatch)<br />
END_COM_MAP()<br />
<br />
// Itestobj<br />
public:<br />
	STDMETHOD(testmeth)();<br />
};<br />