usb端口的打印(30)

F

flyerer1

Unregistered / Unconfirmed
GUEST, unregistred user!
用Assignfile(prn,'lpt1');不行.该如何写?
 
F

flyerer1

Unregistered / Unconfirmed
GUEST, unregistred user!
用Assignfile(prn,'USB001');不行
 
H

haidy

Unregistered / Unconfirmed
GUEST, unregistred user!
是否可以虚拟出一个LPT2或COM3之类的?
 
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