c++获得程序自身所在的目录

void CMFCDlg::OnOK()
{
TCHAR szBuffer[_MAX_PATH];

::GetModuleFileName(AfxGetInstanceHandle(), szBuffer, _MAX_PATH);

CString Path(szBuffer);

//去掉程序名
Path = Path.Left(Path.ReverseFind('\\'));

AfxMessageBox(Path);
}

void CXXDlg::OnShowPath()
{
TCHAR path[MAX_PATH];
GetCurrentDirectory(
MAX_PATH,  // size of directory buffer
path       // directory buffer
);
AfxMessageBox(path);
}