//VC6.0中用法
//AfxMessageBox("Unable to compress this DIB");
//VC2005中用法(笨)
CString str = _T("Unable to compress this DIB");
LPCWSTR sz = (LPCWSTR) str;
AfxMessageBox(sz);
//VC2005中用法
AfxMessageBox(L"Unable to compress this DIB");