C++ windows下自动识别串口号_c++能检测windows串口增加

最后得到的是 端口号数字数组
摘抄自： https://blog.csdn.net/qq_37469992/article/details/82927956

void CBoard::getComPortName(std::vector<int> &PortName)
{
	PortName.clear();
	HKEY hKey;
	TCHAR portName[256];
	TCHAR commName[256];
	//打开串口注册表对应的键值  
	CString strKey = _T("Hardware\\DeviceMap\\SerialComm");
	if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE, strKey, NULL, KEY_READ, &hKey))
	{
		int i = 0;
		int mm = 0;
		DWORD  dwLong, dwSize;
		while (TRUE)
		{
			dwLong = dwSize = sizeof(portName);
			//枚举串口
			if (ERROR_NO_MORE_ITEMS == RegEnumValue(hKey, i, portName, &dwLong, NULL, NULL, (LPBYTE)commName, &dwSize))
			{
				break;
			}

			//commName = "COM7"
			int num = _wtoi(&commName[3]);
			
			PortName.push_back(num);
			i++;
		}
		//关闭注册表
		RegCloseKey(hKey);
	}
	else
	{
		MessageBox(NULL, _T("您的计算机的注册表上没有HKEY_LOCAL_MACHINE:Hardware\\DeviceMap\\SerialComm项"), _T("警告"), MB_OK);
	}
	//返回串口号
	
}
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