public static unsafe Task <int> DeviceIoControlAsync(
SafeObjectHandle hDevice,
uint dwIoControlCode,
IntPtr inBuffer,
int nInBufferSize,
IntPtr outBuffer,
int nOutBufferSize,
CancellationToken cancellationToken = default(CancellationToken))
{
return(OverlappedAsync(hDevice, lpOverlapped =>
{
int pBytesReturned;
return Kernell32DllNativeMethods.DeviceIoControl(hDevice, dwIoControlCode, inBuffer, nInBufferSize, outBuffer,
nOutBufferSize, out pBytesReturned, lpOverlapped);
}, cancellationToken));
}
static unsafe bool DeviceIoControlCore(
SafeObjectHandle hDevice,
uint dwIoControlCode,
IntPtr inBuffer,
int nInBufferSize,
IntPtr outBuffer,
int nOutBufferSize,
out int pBytesReturned,
OVERLAPPED?lpOverlapped)
{
using (var overlapped = lpOverlapped.Pin())
{
return(Kernell32DllNativeMethods.DeviceIoControl(hDevice, dwIoControlCode, inBuffer, nInBufferSize,
outBuffer, nOutBufferSize, out pBytesReturned, (OVERLAPPED *)overlapped.Pointer));
}
}