打开文件夹并选中文件，出错，问题在那里？
DECLARE INTEGER ShellExecute IN shell32.DLL INTEGER HWND,STRING, STRING lpszFile, STRING, STRING, INTEGER*ShellExecute(NULL,'open', 'explorer.exe', '/select,L:\X\Book1.xls', NULL ,SW_SHOWDEFAULT)
ShellExecute(NULL,"open","explorer.exe",'/select,L:\X\Book1.xls',NULL,true)
