internal PipeList(WDU_PIPE_INFO pPipe0, WDU_ALTERNATE_SETTING
pActiveAltSetting, WDU_DEVICE_HANDLE hDev)
{
WDU_PIPE_INFO pipe_info;
DWORD dwPipeIndex = 0;
DWORD dwNumOfPipes = pActiveAltSetting.Descriptor.bNumEndpoints;
DWORD dwPipeSize = (DWORD)Marshal.SizeOf(typeof(WDU_PIPE_INFO));
//inserting the control pipe to the list
this.Insert(0, new UsbPipe(pPipe0, hDev));
//retrieving the rest of the pipes from the active alternating
//settings struct and inserting them into the pipes' list
for (dwPipeIndex = 0; dwPipeIndex < dwNumOfPipes; ++dwPipeIndex)
{
pipe_info = (WDU_PIPE_INFO)Convert.ChangeType
(Marshal.PtrToStructure(new
IntPtr(pActiveAltSetting.pPipes.ToInt64()
+ dwPipeIndex * dwPipeSize), typeof(WDU_PIPE_INFO)),
typeof(WDU_PIPE_INFO));
UsbPipe pipe = new UsbPipe(pipe_info, hDev);
this.Insert((int)dwPipeIndex + 1, pipe);
}
}
internal UsbPipe(WDU_PIPE_INFO pipe, WDU_DEVICE_HANDLE hDev)
{
m_pPipe = pipe;
m_hDev = hDev;
}
