private static bool SetupDiGetDeviceInterfaceDetail(IntPtr devices, ref HidPlatform.SP_DEVICE_INTERFACE_DATA deviceInterface, uint size, IntPtr data)
{
return(HidPlatform.SetupDiGetDeviceInterfaceDetail(
devices,
ref deviceInterface,
data,
size,
out size,
IntPtr.Zero
));
}
private static uint SetupDiGetDeviceInterfaceDetail(IntPtr devices, ref HidPlatform.SP_DEVICE_INTERFACE_DATA deviceInterface)
{
var size = default(uint);
HidPlatform.SetupDiGetDeviceInterfaceDetail(
devices,
ref deviceInterface,
IntPtr.Zero,
0,
out size,
IntPtr.Zero
);
return(size);
}
private static bool GetDevicePath(IntPtr devices, HidPlatform.SP_DEVICE_INTERFACE_DATA deviceInterface, uint size, out string devicePath)
{
var data = Marshal.AllocHGlobal((int)size);
try
{
var deviceDetail = new HidPlatform.SP_DEVICE_INTERFACE_DETAIL_DATA();
deviceDetail.Size = Marshal.SizeOf(deviceDetail);
Marshal.StructureToPtr(deviceDetail, data, false);
if (SetupDiGetDeviceInterfaceDetail(devices, ref deviceInterface, size, data))
{
devicePath = Marshal.PtrToStringAuto(data + 4);
return(true);
}
}
finally
{
Marshal.FreeHGlobal(data);
}
devicePath = default(string);
return(false);
}
