System.IO.Ports.WinSerialStream.Write C# (CSharp) Méthode

		public override void Write (byte [] buffer, int offset, int count)
		{
			CheckDisposed ();
			if (buffer == null)
				throw new ArgumentNullException ("buffer");

			if (offset < 0 || count < 0)
				throw new ArgumentOutOfRangeException ();

			if (buffer.Length - offset < count)
				throw new ArgumentException ("offset+count",
							     "The size of the buffer is less than offset + count.");

			int bytes_written = 0;

			unsafe {
				fixed (byte* ptr = buffer) {
					if (WriteFile (handle, ptr + offset, count, out bytes_written, write_overlapped))
						return;
					if (Marshal.GetLastWin32Error() != FileIOPending)
						ReportIOError (null);
					
					if (!GetOverlappedResult(handle, write_overlapped, ref bytes_written, true))
						ReportIOError (null);
				}
			}

			// If the operation timed out, then
			// we transfered less bytes than the requested ones
			if (bytes_written < count)
				throw new TimeoutException ();
		}