请问如何用WriteFile()将Byte型数据写到串口
我这样写的,不正确
Var
OverLapped:TOverLapped;
DataOut:Byte;
BufferSize:Integer;
cs:TCOMSTAT;
WriteFile(HComm,DataOut,cs.cbOutQue,BufferSize,@OverLapped);
我这样写的,不正确
Var
OverLapped:TOverLapped;
DataOut:Byte;
BufferSize:Integer;
cs:TCOMSTAT;
WriteFile(HComm,DataOut,cs.cbOutQue,BufferSize,@OverLapped);
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货