/// <summary>
/// Send a whole file, given a prebuffer and a postbuffer, and if the 8 bytes length is sent before the real message.
/// </summary>
/// <param name="filepath">The path to the file</param>
/// <param name="preBuffer">A prefixed buffer</param>
/// <param name="postBuffer">A suffixed buffer</param>
/// <param name="withLengthPrefixed">if the 4 bytes length is sent before the real message</param>
/// <param name="preBufferIsBeforeLength">Weither the prebuffer is placed before the length prefix (if applicable)</param>
/// <returns>A Task</returns>
/// <remarks>If withLengthPrefixed is true, it's important for the receiving end to know that he is receiving a longer a 8 bytes length prefix. For the receiving end and within this class, you can set 'InfoHandler.ReadNextAsLong' to true to do so.</remarks>
public async Task SendFileAsync(string filepath, byte[] preBuffer = null, byte[] postBuffer = null, bool withLengthPrefixed = true, bool preBufferIsBeforeLength = false)
{
await InfoHandler.SendFileAsync(filepath, preBuffer, postBuffer, withLengthPrefixed, preBufferIsBeforeLength);
}