private void MaintainPort()
{
WSDLogger.WriterDebugger("Start MaintainPort");
List <DeviceEntity> list = hc.GetHiddenDevice();
if (list != null && list.Count > 0)
{
IEnumerable <string> Ematchs = list.Select(p => p.DeviceID);
if (Ematchs != null && Ematchs.Count() > 0)
{
try
{
hc.SetState(Ematchs.ToArray(), false);
}
catch (Exception es)
{
WSDLogger.WriterDebugger("MaintainPortCOM端口出错." + es.ToString());
}
}
}
else
{
WSDLogger.WriterDebugger("没有发现隐藏COM端口.");
}
WSDLogger.WriterDebugger("End MaintainPort");
}
public void Start()
{
try
{
WSDLogger.WriterDebugger("OnStart");
hc = new HardwareClass();
//hc.AllowNotifications(this.ServiceHandle, true);
MaintainPort();
}
catch (Exception e)
{
WSDLogger.WriterDebugger("OnStart 发生错误" + e.ToString());
}
}
protected override void OnStart(string[] args)
{
try
{
WSDLogger.WriterDebugger("OnStart");
hc = new HardwareClass();
hc.AllowNotifications(this.ServiceHandle, true);
MaintainPort();
}
catch (Exception e)
{
WSDLogger.WriterDebugger("OnStart 发生错误" + e.ToString());
}
}
private bool ScanForHardwareChange()
{
int devInst = 0;
int status;
//得到设备管理树的根结点
status = CM_Locate_DevNodeW(ref devInst, string.Empty, CM_LOCATE_DEVNODE_NORMAL);
if (status != CR_SUCCESS)
{
WSDLogger.WriterError("CM_Locate_DevNodeW 失败");
return(false);
}
//刷新
status = CM_Reenumerate_DevNode(devInst, CM_REENUMERATE_ASYNCHRONOUS); //CM_REENUMERATE_ASYNCHRONOUS 异步方式可以立即响应
if (status != CR_SUCCESS)
{
WSDLogger.WriterError("CM_Reenumerate_DevNode 失败");
return(false);
}
return(true);
}
public List <DeviceEntity> GetHiddenDevice()
{
WSDLogger.WriterDebugger("Start GetHiddenDevice");
SP_DEVINFO_DATA DeviceInfoData = new SP_DEVINFO_DATA();
List <DeviceEntity> list = new List <DeviceEntity>();
List <DeviceEntity> listCurrent = new List <DeviceEntity>();
IntPtr hDevInfo = SetupDiGetClassDevs(GUID_DEVCLASS_PORTS, 0, IntPtr.Zero, DIGCF_NOSET);
if (hDevInfo.ToInt64() == -1)
{
WSDLogger.WriterDebugger("SetupDiGetClassDevs: 获取设备错误。");
}
else
{
DeviceInfoData.cbSize = Marshal.SizeOf(DeviceInfoData);
DeviceInfoData.devInst = 0;
DeviceInfoData.classGuid = System.Guid.Empty;
DeviceInfoData.reserved = 0;
var devs = SetupDiGetClassDevsExW(GUID_DEVCLASS_PORTS, null, IntPtr.Zero, DIGCF_NOSET, null, null, 0);
var devsNow = SetupDiGetClassDevsExW(GUID_DEVCLASS_PORTS, null, IntPtr.Zero, DIGCF_PRESENT, null, null, 0);
if (devsNow.ToInt64() != -1)
{
for (uint i = 0; SetupDiEnumDeviceInfo(devsNow, i, DeviceInfoData); i++)
{
DeviceEntity entity = new DeviceEntity();
StringBuilder DeviceName = new StringBuilder("", 254);
bool resName = SetupDiGetDeviceRegistryPropertyA(devs, DeviceInfoData, SPDRP_FRIENDLYNAME, 0, DeviceName, MAX_DEV_LEN, IntPtr.Zero);
if (!resName)
{
}
else
{
entity.DeviceName = DeviceName.ToString();
}
StringBuilder DeviceID = new StringBuilder("", 254);
if (CM_Get_Device_IDA(DeviceInfoData.devInst, DeviceID, 254, 0) == CR_SUCCESS)
{
entity.DeviceID = DeviceID.ToString();
}
listCurrent.Add(entity);
}
}
for (uint i = 0; SetupDiEnumDeviceInfo(devs, i, DeviceInfoData); i++)
{
DeviceEntity entity = new DeviceEntity();
StringBuilder DeviceID = new StringBuilder("", 254);
if (CM_Get_Device_IDA(DeviceInfoData.devInst, DeviceID, 254, 0) == CR_SUCCESS)
{
entity.DeviceID = DeviceID.ToString();
}
if (listCurrent.Exists(p => p.DeviceID == DeviceID.ToString()))
{
continue;
}
else
{
StringBuilder DeviceName = new StringBuilder("", 254);
bool resName = SetupDiGetDeviceRegistryPropertyA(devs, DeviceInfoData, SPDRP_FRIENDLYNAME, 0, DeviceName, MAX_DEV_LEN, IntPtr.Zero);
if (!resName)
{
}
else
{
entity.DeviceName = DeviceName.ToString();
}
StringBuilder Mfg = new StringBuilder("", 254);
bool resHardwareMfg = SetupDiGetDeviceRegistryPropertyA(devs, DeviceInfoData, SPDRP_MFG, 0, Mfg, MAX_DEV_LEN, IntPtr.Zero);
if (!resHardwareMfg)
{
}
else
{
entity.DevicePIDVID = Mfg.ToString();
}
StringBuilder realPath = new StringBuilder("", 2047);
bool resHardwareRealPath = SetupDiGetDeviceRegistryPropertyA(devs, DeviceInfoData, SPDRP_LOCATION_PATHS, 0, realPath, MAX_DEV_LEN, IntPtr.Zero);
if (!resHardwareRealPath)
{
}
else
{
entity.RealTimePath = realPath.ToString();
}
StringBuilder installState = new StringBuilder("", 64);
bool resHardwareInstallState = SetupDiGetDeviceRegistryPropertyA(devs, DeviceInfoData, SPDRP_INSTALL_STATE, 0, installState, MAX_DEV_LEN, IntPtr.Zero);
if (!resHardwareInstallState)
{
}
else
{
entity.InstallState = installState.ToString();
}
//bool isHidde = !SetupDiSelectDevice(devsNow, DeviceInfoData);
entity.IsHiddenDevice = true;
list.Add(entity);
}
}
SetupDiDestroyDeviceInfoList(devs);
SetupDiDestroyDeviceInfoList(devsNow);
ScanForHardwareChange();
}
WSDLogger.WriterDebugger("End GetHiddenDevice");
return(list);
}
