edit控件文本垂直居中

CRect rect;
GetDlgItem(IDC_EDIT_TIME)->GetClientRect(&rect);
::OffsetRect(&rect,0,2);
::SendMessageA(((CEdit*)GetDlgItem(IDC_EDIT_TIME))->m_hWnd,EM_SETRECT,0,(LPARAM)&rect);

OffsetRect(
LPRECT lprc,
int dx,
int dy);