private static Boolean GetConnectedStatus(IntPtr hdi, SetupAPI.SP_DEVINFO_DATA devInfoData)
{
Int32 DN_DEVICE_DISCONNECTED = 0x2000000;
UInt64 ulPropertyType = new UInt64();
Int32 dwSize = 4;
byte[] devst = new byte[4];
SetupAPI.DEVPROPKEY key = new SetupAPI.DEVPROPKEY();
key.fmtid = Guid.Parse("{4340a6c5-93fa-4706-972c-7b648008a5a7}");
key.pid = 2;
while (!SetupAPI.SetupDiGetDevicePropertyW(hdi, ref devInfoData, ref key, ref ulPropertyType, devst, dwSize, ref dwSize, 0))
{
int err = Marshal.GetLastWin32Error();
if (err == Kernel32.ERROR_INSUFFICIENT_BUFFER)
{
devst = new byte[dwSize];
}
else if (err == Kernel32.ERROR_INVALID_DATA)
{
break;
}
else
{
throw new Exception(err.ToString());
}
}
int status = BitConverter.ToInt32(devst);
return(!Convert.ToBoolean(status & DN_DEVICE_DISCONNECTED));
}
public static void GetDeviceNames(Guid guid)
{
IntPtr hdi = SetupAPI.SetupDiGetClassDevsW(ref guid, null, IntPtr.Zero, SetupAPI.DIGCF_PRESENT);
SetupAPI.SP_DEVINFO_DATA devInfoData = new SetupAPI.SP_DEVINFO_DATA();
devInfoData.cbSize = Marshal.SizeOf(devInfoData);
int i = 0;
while (SetupAPI.SetupDiEnumDeviceInfo(hdi, i, ref devInfoData))
{
i++;
String hwid = GetDeviceInfo(hdi, devInfoData, SetupAPI.SPDRP_HARDWAREID);
if (hwid.StartsWith("BTHLE\\Dev_"))
{
String friendlyName = GetDeviceInfo(hdi, devInfoData, SetupAPI.SPDRP_FRIENDLYNAME);
String deviceDesc = GetDeviceInfo(hdi, devInfoData, SetupAPI.SPDRP_DEVICEDESC);
String enumeratorName = GetDeviceInfo(hdi, devInfoData, SetupAPI.SPDRP_ENUMERATOR_NAME);
String status = GetConnectedStatus(hdi, devInfoData) ? "connected" : "paired";
Console.WriteLine("hwid: {0}\nfriendlyName: {1}\ndeviceDesc: {2}\nenumeratorName: {3}\nstatus: {4}\n\n", hwid, friendlyName, deviceDesc, enumeratorName, status);
}
}
}
public static void GetDevInfo(Guid guid)
{
IntPtr hdi = SetupAPI.SetupDiGetClassDevsW(ref guid, null, IntPtr.Zero, SetupAPI.DIGCF_PRESENT | SetupAPI.DIGCF_DEVINTERFACE);
Console.WriteLine(hdi);
SetupAPI.SP_DEVINFO_DATA dd = new SetupAPI.SP_DEVINFO_DATA();
dd.cbSize = Marshal.SizeOf(dd);
SetupAPI.SP_DEVICE_INTERFACE_DATA did = new SetupAPI.SP_DEVICE_INTERFACE_DATA();
did.cbSize = Marshal.SizeOf(did);
int i = 0;
while (SetupAPI.SetupDiEnumDeviceInterfaces(hdi, IntPtr.Zero, ref guid, i, ref did))
{
i += 1;
SetupAPI.SP_DEVICE_INTERFACE_DETAIL_DATA didd = new SetupAPI.SP_DEVICE_INTERFACE_DETAIL_DATA();
didd.cbSize = IntPtr.Size == 8 ? 8 : 4 + Marshal.SystemDefaultCharSize;
UInt32 nRequiredSize = 0;
SetupAPI.SetupDiGetDeviceInterfaceDetailW(hdi, ref did, ref didd, 256, ref nRequiredSize, ref dd);
Console.WriteLine(didd.DevicePath);
Communication(didd.DevicePath);
}
Console.WriteLine("\n\n");
}
private static String GetDeviceInfo(IntPtr hdi, SetupAPI.SP_DEVINFO_DATA devInfoData, Int32 propertyName)
{
StringBuilder buffer = new StringBuilder();
Int32 bufferSize = 0;
while (!SetupAPI.SetupDiGetDeviceRegistryPropertyW(hdi, ref devInfoData, propertyName, IntPtr.Zero, buffer, bufferSize, ref bufferSize))
{
int err = Marshal.GetLastWin32Error();
if (err == Kernel32.ERROR_INSUFFICIENT_BUFFER)
{
buffer = new StringBuilder(bufferSize);
}
else if (err == Kernel32.ERROR_INVALID_DATA)
{
break;
}
else
{
throw new Exception(err.ToString());
}
}
return(buffer.ToString());
}