using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Windows.Forms;
using Microsoft.Win32.SafeHandles;
using System.IO.Ports;
 
public class Form
    {
        public string Mass_Storage_GUID = //USB Interface Guid
        
        const internal Int32 DIGCF_DEVICEINTERFACE = 0x10;
        SafeFileHandle deviceHandle;
        SetupAPI.new devInfo();
                
        void button1_Click(EventArgs e)
        {            
            System.new System.IntPtr deviceInfoSet;
            deviceInfoSet = ref myGuid,IntPtr.Zero,DIGCF_PRSENT|DIGCF_DEVICEINTERFACE);
 
            SetupAPI.new SP_Devcie_INTERFACE_DATA();
            false;
            "";
            
            
            MyDeviceInterfaceData.cbSize = do
            {
                success = IntPtr.Zero, ref MyDeviceInterfaceData);
 
                IntPtr detailDataBuffer;
                false;
                success2 = ref MyDeviceInterfaceData, ref bufferSize, Marshal.AllocHGlobal(bufferSize);
                IntPtr.Size == 4) ? (4   SetupAPI.SetupDiGetDeviceInterfaceDetail(deviceInfoSet, ref bufferSize, IntPtr pDevicepathName = IntPtr(detailDataBuffer.ToInt32()   4);
                devicePathName = Marshal.FreeHGlobal(detailDataBuffer);
                memberIndex  ;
            } "\\\\?\\usb#vid_0402&pid_5668#00101000100000000436#{a5dcbf10-6530-11d2-901f-00c04fb951ed}");//因為先前已得知裝置路徑
            //SetupAPI.SetupDiDestroyDeviceInfoList(deviceInfoSet);
 
            SafeFileHandle DeviceHandle;
            "//PIPE2"; SetupAPI.CreateFile(devicePathName, SetupAPI.GENERIC_WRITE, SetupAPI.FILE_SHARE_WRITE, SetupAPI.OPEN_EXISTING, 0, 0);
            
           SetupAPI.WinUsb_Initialize(DeviceHandle,int r = Byte[] buffer = Byte[13];
                      
            Byte[] Write_buffer = { 0x55, 0x53, 0x42, 0x43, 0xd0, 0xba, 0x5e, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
            false;
            SetupAPI.WriteFile(DeviceHandle, Write_buffer, Write_buffer.Length, IntPtr.Zero);
                Marshal.GetLastWin32Error();while (success3 == int j = MessageBox.Show(j.ToString());
                      
            success3 = ref i,int q = MessageBox.Show(q.ToString());            
          
            
        }
    }
}