shelexecute problem with the fourth parameter when using Mysql

shamociahong

ShellExecute (Application.Handle, 'open', PChar ('mysql.exe'), PCHAR ('mysql.exe -uroot -ppass meyle <d:\product\data.sql), PChar (' C:\Program Files\MySQL\MySQL Server 5.0\bin ') , SW_SHOWNORMAL);

or

ShellExecute (Application.Handle, 'open', PChar ('C:\Program Files\MySQL\MySQL Server 5.0\bin\mysql.exe'), PCHAR ('mysql.exe -uroot -ppass meyle <d:\product\data.sql), nil, SW_SHOWNORMAL);

Why can't I pass parameters?

shamociahong

Just introduced the fourth parameter of shellexecute on MSDN

Address of a null-terminated string that contains the application parameters. The parameters must be separated by spaces. If the lpFile member specifies a document file, lpParameters should be NULL.

Presumably, if the third parameter of a file parameter group is to be passed, the fourth parameter must be nil
I wonder if this is the case, my English level is limited