Hola amigos,
Encontre esto escrito para Dephi, se podra convertir a Harbour??
Salu2
function IsPrinter : Boolean;
Const
PrnStInt : Byte = $17;
StRq : Byte = $02;
PrnNum : Word = 0; { 0 para LPT1, 1 para LPT2, etc. }
Var
nResult : byte;
Begin (* IsPrinter*)
Asm
mov ah,StRq;
mov dx,PrnNum;
Int $17;
mov nResult,ah;
end;
IsPrinter := (nResult and $80) = $80;
End;