/// <summary>
/// Adds a new message to the message handle. If the current active message is empty it will be reused to carry this new message.
/// </summary>
/// <param name="insref">The reference for the instrument for which the message is created for.</param>
/// <param name="mref">The type of the message to create.</param>
/// <returns><see langword="true" /> if a new message was added to the message handle (or an empty message was reused) or <see langword="false" /> if there was an error.</returns>
/// <exception cref="ObjectDisposedException">The <see cref="Message"/> instance has been disposed.</exception>
/// <remarks>The corresponding native function is mdf_message_add.</remarks>
public bool Add(ulong insref, int mref)
{
ThrowIfDisposed();
return(_nativeImplementation.mdf_message_add(Handle, insref, mref) == 1);
}