internal unsafe TOut DeviceControlInputOutput <TIn, TOut>(DeviceIoControlCode controlCode, ref TIn inBuff) where TIn : unmanaged where TOut : unmanaged
{
TOut outBuff = new TOut();
DeviceControlInputOutput(controlCode, ref inBuff, ref outBuff);
return(outBuff);
}
internal unsafe TOut DeviceControlOutput <TOut>(DeviceIoControlCode controlCode) where TOut : unmanaged
{
TOut outBuff = new TOut();
DeviceControlOutput(controlCode, ref outBuff);
return(outBuff);
}
internal static extern bool DeviceIoControl(IntPtr hDevice,
DeviceIoControlCode dwIoControlCode,
IntPtr lpInBuffer,
int nInBufferSize,
IntPtr lpOutBuffer,
int nOutBufferSize,
out uint lpBytesReturned,
IntPtr lpOverlapped);
internal unsafe void DeviceControl(DeviceIoControlCode controlCode)
{
bool success = DeviceIoControl(handle, controlCode, null, 0, null, 0, out _, null);
if (!success)
{
throw new Win32Exception();
}
}
internal unsafe void DeviceControlInput <TIn>(DeviceIoControlCode controlCode, ref TIn inBuff) where TIn : unmanaged
{
fixed(void *inBuffP = &inBuff)
{
bool success = DeviceIoControl(handle, controlCode, inBuffP, (uint)Marshal.SizeOf <TIn>(), null, 0, out _, null);
if (!success)
{
throw new Win32Exception();
}
}
}
internal unsafe void DeviceControlOutput <TOut>(DeviceIoControlCode controlCode, ref TOut outBuff) where TOut : unmanaged
{
fixed(void *outBuffP = &outBuff)
{
bool success = DeviceIoControl(handle, controlCode, null, 0, outBuffP, (uint)Marshal.SizeOf <TOut>(), out _, null);
if (!success)
{
throw new Win32Exception();
}
}
}
internal unsafe uint DeviceControlOutput(DeviceIoControlCode controlCode, byte[] outBuff)
{
uint written = 0;
fixed(void *outBuffP = outBuff)
{
bool success = DeviceIoControl(handle, controlCode, null, 0, outBuffP, (uint)outBuff.Length, out written, null);
if (!success)
{
throw new Win32Exception();
}
}
return(written);
}
internal unsafe uint DeviceControlInputOutput <TIn>(DeviceIoControlCode controlCode, ref TIn inBuff, byte[] outBuff) where TIn : unmanaged
{
uint written = 0;
fixed(void *inBuffP = &inBuff)
{
fixed(byte *bufferP = outBuff)
{
bool success = DeviceIoControl(handle, controlCode, inBuffP, (uint)Marshal.SizeOf <TIn>(), bufferP, (uint)outBuff.Length, out written, null);
if (!success)
{
throw new Win32Exception();
}
}
}
return(written);
}
private static extern bool DeviceIoControl(SafeFileHandle hVol, DeviceIoControlCode controlCode, IntPtr inBuffer, int nInBufferSize, ref DISK_GEOMETRY outBuffer, int outBufferSize, ref int bytesReturned, IntPtr overlapped);
internal static extern unsafe bool DeviceIoControl(SafeFileObjectHandle handle, DeviceIoControlCode controlCode, void *inBuffer, uint inBufferLength, void *outBuffer, uint outBufferLength, out uint returnSize, void *lpOverlapped);
