void usb_dwnload(int len)
{
ret = DeviceIoControl (hf, // hDevice: THandle
IOCTL_Ezusb_ANCHOR_DOWNLOAD,// dwIoControlCode: DWORD
&mass_data, // lpInBuffer: Pointer
len, // nInBufferSize: DWORD
NULL, // lpOutBuffer: Pointer
0, // nOutBufferSize: DWORD
&nbyte, // var lpBytesReturned: DWORD
NULL); // lpOverlapped: POverlapped
if (ret==false)
{
ShowMessage("LoadError");
}
}