方式1:
hfile=CreateFile(L"\\$device\\COM10",GENERIC_READ|GENERIC_WRITE,0, NULL, OPEN_EXISTING, 0, NULL);
方式2:
hfile=CreateFile(L".//COM10",GENERIC_READ|GENERIC_WRITE,0, NULL, OPEN_EXISTING, 0, NULL);(我未成功)
请参看:http://blog.youkuaiyun.com/henhen2002/article/details/4485177
更多请参看:
http://blog.163.com/jlz_325/blog/static/191740009201281495833424/
常用的打开方式:
hfile=CreateFile((LPCWSTR)TEXT("COM9:"),GENERIC_READ|GENERIC_WRITE,0, NULL, OPEN_EXISTING, 0, NULL);