// 전체 경로에서 파일명을 제거한 경로 추출
CString filepath_only;
UINT nIndex = 0, nLength = 0;
nLength = filename.GetLength();
nIndex = filepath.Find( filename, 0 );
filepath_only = filepath;
filepath_only.Delete( nIndex , nLength );
CString filepath_only;
UINT nIndex = 0, nLength = 0;
nLength = filename.GetLength();
nIndex = filepath.Find( filename, 0 );
filepath_only = filepath;
filepath_only.Delete( nIndex , nLength );
