Trích:
Nguyên văn bởi nmhai
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anh NMhai cho em hoi???
anh co noi khai bao thu vien
"
Khai báo hàm trong thư viện INPOUT32.DLL
Private Declare Sub Out32 Lib "INPOUT32.DLL" (ByVal PortAddress As Integer, ByVal DATA As Integer)
Private Declare Function Inp32 Lib "INPOUT32.DLL" (ByVal PortAddress As Integer) As Integer"
nghia la` sao
minh phai lam the nao`?
vi` em dung VC++ de xuat ra cong LPT nhug van bao lo "kong dinh nghia dc ha`m inp.... va` outp..."
anh co the huong dan cu the dum em...
em dang lam dung LPT de dieu khien LCD ma` giao tiep voi LPT lai bi loi.....
mong anh giu p.....