protected override object[] Refresh()
{
var paths = new List<string>();
Guid hidGuid; NativeMethods.HidD_GetHidGuid(out hidGuid);
NativeMethods.HDEVINFO devInfo = NativeMethods.SetupDiGetClassDevs(hidGuid, null, IntPtr.Zero,
/*NativeMethods.DIGCF.AllClasses |*/ NativeMethods.DIGCF.DeviceInterface | NativeMethods.DIGCF.Present);
if (devInfo.IsValid)
{
try
{
NativeMethods.SP_DEVICE_INTERFACE_DATA did = new NativeMethods.SP_DEVICE_INTERFACE_DATA();
did.Size = Marshal.SizeOf(did);
for (int i = 0; NativeMethods.SetupDiEnumDeviceInterfaces(devInfo, IntPtr.Zero, hidGuid, i, ref did); i ++)
{
NativeMethods.SP_DEVICE_INTERFACE_DETAIL_DATA didetail = new NativeMethods.SP_DEVICE_INTERFACE_DETAIL_DATA();
didetail.Size = IntPtr.Size == 8 ? 8 : (4 + Marshal.SystemDefaultCharSize);
if (NativeMethods.SetupDiGetDeviceInterfaceDetail(devInfo, ref did, ref didetail,
Marshal.SizeOf(didetail) - (int)Marshal.OffsetOf(didetail.GetType(), "DevicePath"),
IntPtr.Zero, IntPtr.Zero))
{
paths.Add(didetail.DevicePath);
}
}
}
finally
{
NativeMethods.SetupDiDestroyDeviceInfoList(devInfo);
}
}
return paths.Cast<object>().ToArray();
}
protected override object[] Refresh()
{
var paths = new List <string> ();
Guid hidGuid;
NativeMethods.HidD_GetHidGuid(out hidGuid);
NativeMethods.HDEVINFO devInfo = NativeMethods.SetupDiGetClassDevs(hidGuid, null, IntPtr.Zero,
/*NativeMethods.DIGCF.AllClasses |*/ NativeMethods.DIGCF.DeviceInterface | NativeMethods.DIGCF.Present);
if (devInfo.IsValid)
{
try {
NativeMethods.SP_DEVICE_INTERFACE_DATA did = new NativeMethods.SP_DEVICE_INTERFACE_DATA();
did.Size = Marshal.SizeOf(did);
for (int i = 0; NativeMethods.SetupDiEnumDeviceInterfaces(devInfo, IntPtr.Zero, hidGuid, i, ref did); i++)
{
NativeMethods.SP_DEVICE_INTERFACE_DETAIL_DATA didetail = new NativeMethods.SP_DEVICE_INTERFACE_DETAIL_DATA();
didetail.Size = IntPtr.Size == 8 ? 8 : (4 + Marshal.SystemDefaultCharSize);
if (NativeMethods.SetupDiGetDeviceInterfaceDetail(devInfo, ref did, ref didetail,
Marshal.SizeOf(didetail) - (int)Marshal.OffsetOf(didetail.GetType(), "DevicePath"),
IntPtr.Zero, IntPtr.Zero))
{
paths.Add(didetail.DevicePath);
}
}
} finally {
NativeMethods.SetupDiDestroyDeviceInfoList(devInfo);
}
}
return(paths.Cast <object> ().ToArray());
}
public static bool SetupDiGetDeviceInterfaceDetail(HDEVINFO deviceInfoSet,
ref SP_DEVICE_INTERFACE_DATA deviceInterfaceData,
out SP_DEVICE_INTERFACE_DETAIL_DATA deviceInterfaceDetailData)
{
deviceInterfaceDetailData = new NativeMethods.SP_DEVICE_INTERFACE_DETAIL_DATA();
deviceInterfaceDetailData.Size = IntPtr.Size == 8 ? 8 : (4 + Marshal.SystemDefaultCharSize);
if (NativeMethods.SetupDiGetDeviceInterfaceDetail(deviceInfoSet,
ref deviceInterfaceData, ref deviceInterfaceDetailData,
Marshal.SizeOf(deviceInterfaceDetailData) - 4, IntPtr.Zero, IntPtr.Zero))
{
return(true);
}
else
{
deviceInterfaceDetailData = default(SP_DEVICE_INTERFACE_DETAIL_DATA);
return(false);
}
}
