zhipuzi_pay_plugin/zhipuzi_pay_plugin/tool/CComHelper.cpp

#include "../pch/pch.h"
#include "CComHelper.h"


CComHelper::CComHelper()
{
}


CComHelper::~CComHelper()
{
}

std::vector<std::wstring> CComHelper::getComPort()
{
	std::vector<std::wstring> comVector;

	HKEY hKey;
	TCHAR portName[256], commName[256];

	// 打开串口注册表对应的键值  
	if (ERROR_SUCCESS == ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"Hardware\\DeviceMap\\SerialComm", 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, (PUCHAR)commName, &dwSize))
			{
				break;
			}

			comVector.push_back(commName);
			i++;
		}
		// 关闭注册表
		RegCloseKey(hKey);
	}
	else
	{
		MessageBox(NULL, L"您的计算机的注册表上没有HKEY_LOCAL_MACHINE:Hardware\\DeviceMap\\SerialComm项", L"警告", MB_OK);
	}

	// 返回串口号
	return comVector;
}