main.cpp

六种列举当前所有的串口方法

#include "stdafx.h"
#include "enumser.h"


void main()
{
  //Initialize COM (Required by CEnumerateSerial::UsingWMI)
  CoInitialize(NULL);

  //Initialize COM security (Required by CEnumerateSerial::UsingWMI)
  HRESULT hr = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_DEFAULT, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, NULL);
  if (FAILED(hr))
  {
    _tprintf(_T("Failed to initialize COM security, Error:%x\n"), hr);
    CoUninitialize();
    return;  
  }


  CUIntArray ports;

  _tprintf(_T("CreateFile method reports the following serial ports\n"));
  if (CEnumerateSerial::UsingCreateFile(ports))
  {
    for (int i=0; i<ports.GetSize(); i++)
      _tprintf(_T("COM%d\n"), ports.ElementAt(i));
  }
  else
    _tprintf(_T("CEnumerateSerial::UsingCreateFile failed, Error:%d\n"), GetLastError());


  _tprintf(_T("QueryDosDevice method reports the following serial ports\n"));
  if (CEnumerateSerial::UsingQueryDosDevice(ports))
  {
    for (int i=0; i<ports.GetSize(); i++)
      _tprintf(_T("COM%d\n"), ports.ElementAt(i));
  }
  else
    _tprintf(_T("CEnumerateSerial::UsingQueryDosDevice failed, Error:%d\n"), GetLastError());


  _tprintf(_T("GetDefaultCommConfig method reports the following serial ports\n"));
  if (CEnumerateSerial::UsingGetDefaultCommConfig(ports))
  {
    for (int i=0; i<ports.GetSize(); i++)
      _tprintf(_T("COM%d\n"), ports.ElementAt(i));
  }
  else
    _tprintf(_T("CEnumerateSerial::UsingGetDefaultCommConfig failed, Error:%d\n"), GetLastError());

  _tprintf(_T("Device Manager (SetupAPI) method reports the following serial ports\n"));
  CStringArray sFriendlyNames;
  if (CEnumerateSerial::UsingSetupAPI(ports, sFriendlyNames))
  {
    for (int i=0; i<ports.GetSize(); i++)
      _tprintf(_T("%s (COM%d)\n"), sFriendlyNames.GetAt(i), ports.ElementAt(i));
  }
  else
    _tprintf(_T("CEnumerateSerial::UsingSetupAPI failed, Error:%d\n"), GetLastError());

  _tprintf(_T("EnumPorts method reports the following serial ports\n"));
  if (CEnumerateSerial::UsingEnumPorts(ports))
  {
    for (int i=0; i<ports.GetSize(); i++)
      _tprintf(_T("COM%d\n"), ports.ElementAt(i));
  }
  else
    _tprintf(_T("CEnumerateSerial::UsingEnumPorts failed, Error:%d\n"), GetLastError());

  _tprintf(_T("WMI method reports the following serial ports\n"));
  if (CEnumerateSerial::UsingWMI(ports))
  {
    for (int i=0; i<ports.GetSize(); i++)
      _tprintf(_T("COM%d\n"), ports.ElementAt(i));
  }
  else
    _tprintf(_T("CEnumerateSerial::UsingWMI failed, Error:%d\n"), GetLastError());


  CoUninitialize();
}