//[SecurityPermission(SecurityAction.Demand, UnmanagedCode = true)]
//private void findDevice(uint pid, uint vid)
//{
// Hid.HidD_GetHidGuid(out _hidGuid);
// hHidDeviceInfo = Setup.SetupDiGetClassDevs(ref _hidGuid, IntPtr.Zero, IntPtr.Zero, Setup.DIGCF_PRESENT | Setup.DIGCF_DEVICEINTERFACE);
// if (hHidDeviceInfo.ToInt32() > -1)
// {
// uint i = 0;
// while (!isValid && i < MAX_USB_DEVICES)
// {
// var hidDeviceInterfaceData = new SP_DEVICE_INTERFACE_DATA();
// hidDeviceInterfaceData.cbSize = Marshal.SizeOf(hidDeviceInterfaceData);
// if (Setup.SetupDiEnumDeviceInterfaces(hHidDeviceInfo, IntPtr.Zero, ref _hidGuid, (int)i, ref hidDeviceInterfaceData))
// {
// bool detailResult;
// int length=0, required=0;
// Setup.SetupDiGetDeviceInterfaceDetail(hHidDeviceInfo, ref hidDeviceInterfaceData, IntPtr.Zero, 0, ref length, IntPtr.Zero);
// var hidDeviceInterfaceDetailData = new PSP_DEVICE_INTERFACE_DETAIL_DATA();
// hidDeviceInterfaceDetailData.cbSize = 5; //DWORD cbSize (size 4) + Char[0] (size 1) for 32bit only!
// var hDeviceInterfaceDetailData = Marshal.AllocHGlobal(Marshal.SizeOf(hidDeviceInterfaceDetailData));
// Marshal.StructureToPtr(hidDeviceInterfaceDetailData, hDeviceInterfaceDetailData, true);
// detailResult = Setup.SetupDiGetDeviceInterfaceDetail(hHidDeviceInfo, ref hidDeviceInterfaceData, hDeviceInterfaceDetailData, (int)length, ref required, IntPtr.Zero);
// Marshal.PtrToStructure(hDeviceInterfaceDetailData, hidDeviceInterfaceDetailData);
// if (detailResult)
// {
// SafeFileHandle aHandle = Kernel32.CreateFile(hidDeviceInterfaceDetailData.DevicePath,
// Kernel32.GENERIC_READ |
// Kernel32.GENERIC_WRITE,
// Kernel32.FILE_SHARE_READ |
// Kernel32.FILE_SHARE_WRITE,
// IntPtr.Zero,
// Kernel32.OPEN_EXISTING,
// Kernel32.FILE_FLAG_OVERLAPPED,
// 0);
// base.handle = aHandle.DangerousGetHandle();
// if (base.handle.ToInt32() > -1)
// {
// HIDD_ATTRIBUTES hidDeviceAttributes = new HIDD_ATTRIBUTES();
// if (Hid.HidD_GetAttributes(this, ref hidDeviceAttributes))
// {
// if ((hidDeviceAttributes.VendorID == vid) && (hidDeviceAttributes.ProductID == pid))
// {
// isValid = true;
// ProductID = pid;
// VendorID = vid;
// VersionNumber = (uint)hidDeviceAttributes.VersionNumber;
// IntPtr buffer = Marshal.AllocHGlobal(126);//max alloc for string;
// if (HidD_GetProductString(this.handle, buffer, 126)) Name = Marshal.PtrToStringAuto(buffer);
// if (HidD_GetSerialNumberString(this.handle, buffer, 126)) SerialNumber = Marshal.PtrToStringAuto(buffer);
// Marshal.FreeHGlobal(buffer);
// var capabilities = new HIDP_CAPS();
// IntPtr hPreparsedData = IntPtr.Zero;
// if (Hid.HidD_GetPreparsedData(this, out hPreparsedData))
// {
// if (Hid.HidP_GetCaps(hPreparsedData, out capabilities)>0)
// FeatureReportLength = (ushort)capabilities.FeatureReportByteLength;
// Hid.HidD_FreePreparsedData(hPreparsedData);
// }
// break;
// }
// }
// else
// {
// Kernel32.CloseHandle(base.handle);
// }
// }
// }
// Marshal.FreeHGlobal(hDeviceInterfaceDetailData);
// }
// i++;
// }
// }
//}
public static IntPtr RegisterForUsbEvents(IntPtr hWnd, Guid gClass)
{
DEV_BROADCAST_DEVICEINTERFACE oInterfaceIn = new DEV_BROADCAST_DEVICEINTERFACE();
oInterfaceIn.dbcc_classguid = gClass;
oInterfaceIn.dbcc_devicetype = TOAPI.Setup.Setup.DBT_DEVTYP_DEVICEINTERFACE;
oInterfaceIn.dbcc_reserved = 0;
return User32.RegisterDeviceNotification(hWnd, oInterfaceIn, Setup.DEVICE_NOTIFY_WINDOW_HANDLE);
}