public string[] DevClassList()
{
List <string> HWList = new List <string>();
try
{
UInt32 RequiredSize = 0;
Guid guid = Guid.Empty;
Guid[] guids = new Guid[1];
bool res = SetupDiClassGuidsFromNameA("ports", ref guids[0], RequiredSize, ref RequiredSize);
if (res == false)
{
guids = new Guid[RequiredSize];
res = SetupDiClassGuidsFromNameA("ports", ref guids[0], RequiredSize, ref RequiredSize);
if (!res || RequiredSize == 0)
{
Debug.WriteLine("类型不正确");
}
}
if (res == true)
{
List <DeviceEntity> list = new List <Hardware.DeviceEntity>();
Guid myGUID = System.Guid.Empty;
IntPtr hDevInfo = SetupDiGetClassDevs(guids[0], 0, IntPtr.Zero, DIGCF_NOSET);
Debug.WriteLine("枚举设备 : " + Externs.GetLastError() + "---" + Marshal.GetLastWin32Error() + hDevInfo.ToInt64());
if (hDevInfo.ToInt64() == Externs.INVALID_HANDLE_VALUE)
{
throw new Exception("Invalid Handle");
}
else
{
Externs.SP_DEVINFO_DATA DeviceInfoData;
DeviceInfoData = new Externs.SP_DEVINFO_DATA();
DeviceInfoData.cbSize = Marshal.SizeOf(DeviceInfoData);
DeviceInfoData.devInst = 0;
DeviceInfoData.classGuid = System.Guid.Empty;
DeviceInfoData.reserved = 0;
StringBuilder DeviceID = new StringBuilder("", 254);
for (uint i = 0; Externs.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++)
{
if (CM_Get_Device_IDA(DeviceInfoData.devInst, DeviceID, 254, 0) == CR_SUCCESS)
{
HWList.Add(DeviceID.ToString());
}
}
}
Externs.SetupDiDestroyDeviceInfoList(hDevInfo);
}
}
catch (Exception ex)
{
throw new Exception("枚举设备列表出错", ex);
}
return(HWList.ToArray());
}
/// <summary>
/// 设置指定设备的状态
/// </summary>
/// <param name="match">设备名称</param>
/// <param name="bEnable">是否启用</param>
/// <returns></returns>
public bool SetState(string[] match, bool bEnable)
{
try
{
UInt32 RequiredSize = 0;
Guid guid = Guid.Empty;
Guid[] guids = new Guid[1];
bool res = SetupDiClassGuidsFromNameA("ports", ref guids[0], RequiredSize, ref RequiredSize);
if (res == false)
{
guids = new Guid[RequiredSize];
res = SetupDiClassGuidsFromNameA("ports", ref guids[0], RequiredSize, ref RequiredSize);
if (!res || RequiredSize == 0)
{
Debug.WriteLine("类型不正确");
}
}
if (res == true)
{
List <DeviceEntity> list = new List <Hardware.DeviceEntity>();
Guid myGUID = System.Guid.Empty;
IntPtr hDevInfo = SetupDiGetClassDevs(guids[0], 0, IntPtr.Zero, DIGCF_NOSET);
Debug.WriteLine("枚举设备 : " + Externs.GetLastError() + "---" + Marshal.GetLastWin32Error() + hDevInfo.ToInt64());
if (hDevInfo.ToInt64() == Externs.INVALID_HANDLE_VALUE)
{
throw new Exception("Invalid Handle");
}
else
{
Externs.SP_DEVINFO_DATA DeviceInfoData;
DeviceInfoData = new Externs.SP_DEVINFO_DATA();
DeviceInfoData.cbSize = Marshal.SizeOf(DeviceInfoData);
DeviceInfoData.devInst = 0;
DeviceInfoData.classGuid = System.Guid.Empty;
DeviceInfoData.reserved = 0;
UInt32 i;
StringBuilder DeviceID = new StringBuilder("", 256);
DeviceID.Capacity = Externs.MAX_DEV_LEN;
for (i = 0; Externs.SetupDiEnumDeviceInfo(hDevInfo, i, DeviceInfoData); i++)
{
//while (!Externs.SetupDiGetDeviceRegistryProperty(hDevInfo, DeviceInfoData, Externs.SPDRP_DEVICEDESC, 0, DeviceName, Externs.MAX_DEV_LEN, IntPtr.Zero))
//{
//}
if (CM_Get_Device_IDA(DeviceInfoData.devInst, DeviceID, 254, 0) == CR_SUCCESS)
{
bool bMatch = true;
foreach (string search in match)
{
if (!DeviceID.ToString().ToLower().Contains(search.ToLower()))
{
bMatch = false;
break;
}
}
if (bMatch)
{
OpenClose(hDevInfo, DeviceInfoData, bEnable, true);
}
}
}
Externs.SetupDiDestroyDeviceInfoList(hDevInfo);
}
}
}
catch (Exception ex)
{
throw new Exception("枚举设备信息出错！", ex);
return(false);
}
return(true);
}