Want to implement a server-side printing function

My idea is to use the EXEC call external printing tools, but specifically do not know how to write, exec do not know how to debug, using the external tool is Pdfprint.exe is cmd below the printing tool, if you want to package, can say a bit

Reply to discussion (solution)

You can use the Exec or system
EXEC---Execute external program
Syntax: string exec (String command [, array &output [, int &return_var]])

The system---Executes the external program and displays the output

Syntax: string system (String command [, int &return_var])

The above is the use of EXEC, the example may be the following, as for

You can use the Exec or system
EXEC---Execute external program
Syntax: string exec (String command [, array &output [, int &return_var]])

The system---Executes the external program and displays the output

Syntax: string system (String command [, int &return_var])

The above is the use of EXEC, the example may be the following, as for


There is a problem, after exec, the entire Web page hangs directly, what to do?

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