Exemplos de USB_HCD_DRIVERKEY_NAME em C# (CSharp)

Exemplo n.º 1

 internal static extern Boolean DeviceIoControl(
     IntPtr hFile,
     Int32 dwIoControlCode,
     IntPtr lpInBuffer,
     Int32 nInBufferSize,
     ref USB_HCD_DRIVERKEY_NAME lpOutBuffer,
     Int32 nOutBufferSize,
     out Int32 nBytesReturned,
     IntPtr lpOverlapped
     );

Exemplo n.º 2

Arquivo: USB.cs Projeto: rambom/Source

        /// <summary>
        /// USB ROOT HUB设备路径
        /// </summary>
        /// <param name="PNPDeviceID">USB主控制器设备ID</param>
        /// <returns>USB ROOT HUB设备路径</returns>
        public static String GetUsbRootHubPath(String PNPDeviceID)
        {
            if (String.IsNullOrEmpty(PNPDeviceID))
            {
                return(null);
            }

            // 打开设备
            IntPtr hHCDev = Kernel32.CreateFile(
                "\\\\.\\" + PNPDeviceID.Replace('\\', '#') + "#{3ABF6F2D-71C4-462A-8A92-1E6861E6AF27}",
                NativeFileAccess.GENERIC_WRITE,
                NativeFileShare.FILE_SHARE_WRITE,
                IntPtr.Zero,
                NativeFileMode.OPEN_EXISTING,
                IntPtr.Zero,
                IntPtr.Zero);

            if (hHCDev == Kernel32.INVALID_HANDLE_VALUE)
            {
                return(null);
            }

            // 获取USB ROOT HUB名称
            Int32 nBytesReturned;
            USB_HCD_DRIVERKEY_NAME Buffer = new USB_HCD_DRIVERKEY_NAME();
            Boolean Status = DeviceIoControl(hHCDev,
                                             IOCTL_USB_GET_ROOT_HUB_NAME,
                                             IntPtr.Zero,
                                             0,
                                             ref Buffer,
                                             Marshal.SizeOf(Buffer),
                                             out nBytesReturned,
                                             IntPtr.Zero);

            // 关闭设备
            Kernel32.CloseHandle(hHCDev);
            return(Status ? Buffer.Name : null);
        }

Exemplo n.º 3

Arquivo: USB.cs Projeto: rambom/MySource

 internal static extern Boolean DeviceIoControl(
     IntPtr hFile,
     Int32 dwIoControlCode,
     IntPtr lpInBuffer,
     Int32 nInBufferSize,
     ref USB_HCD_DRIVERKEY_NAME lpOutBuffer,
     Int32 nOutBufferSize,
     out Int32 nBytesReturned,
     IntPtr lpOverlapped
     );

Exemplo n.º 4

Arquivo: USB.cs Projeto: rambom/MySource

        /// <summary>
        /// USB ROOT HUB设备路径
        /// </summary>
        /// <param name="PNPDeviceID">USB主控制器设备ID</param>
        /// <returns>USB ROOT HUB设备路径</returns>
        public static String GetUsbRootHubPath(String PNPDeviceID)
        {
            if (String.IsNullOrEmpty(PNPDeviceID)) return null;

            // 打开设备
            IntPtr hHCDev = Kernel32.CreateFile(
                "\\\\.\\" + PNPDeviceID.Replace('\\', '#') + "#{3ABF6F2D-71C4-462A-8A92-1E6861E6AF27}",
                NativeFileAccess.GENERIC_WRITE,
                NativeFileShare.FILE_SHARE_WRITE,
                IntPtr.Zero,
                NativeFileMode.OPEN_EXISTING,
                IntPtr.Zero,
                IntPtr.Zero);
            if (hHCDev == Kernel32.INVALID_HANDLE_VALUE) return null;

            // 获取USB ROOT HUB名称
            Int32 nBytesReturned;
            USB_HCD_DRIVERKEY_NAME Buffer = new USB_HCD_DRIVERKEY_NAME();
            Boolean Status = DeviceIoControl(hHCDev,
                IOCTL_USB_GET_ROOT_HUB_NAME,
                IntPtr.Zero,
                0,
                ref Buffer,
                Marshal.SizeOf(Buffer),
                out nBytesReturned,
                IntPtr.Zero);

            // 关闭设备
            Kernel32.CloseHandle(hHCDev);
            return Status ? Buffer.Name : null;
        }