/// <summary>Writes the <see cref="Options"/> object to the options line in the Touchstone file. If <see cref="TouchstoneKeywords.Version"/> in
/// <see cref="Keywords"/> is <see cref="FileVersion.Two"/>, the keywords will also be written to the file.</summary>
/// <remarks>This method may only be called once for a file. If it is not called explicitly, the first call to <see cref="WriteData(double, NetworkParametersMatrix)"/>
/// will implicitly call this method.</remarks>
public void WriteHeader()
{
if (headerWritten)
{
throw new InvalidOperationException("The header can only be written once.");
}
core = TouchstoneWriterCore.Create(this);
core.WriteHeader();
headerWritten = true;
}
/// <summary>Asynchronously writes the <see cref="Options"/> object to the options line in the Touchstone file. If <see cref="TouchstoneKeywords.Version"/> in
/// <see cref="Keywords"/> is <see cref="FileVersion.Two"/>, the keywords will also be written to the file.</summary>
/// <remarks>This method may only be called once for a file. If it is not called explicitly, the first call to <see cref="WriteDataAsync(double, NetworkParametersMatrix)"/>
/// will implicitly call this method.</remarks>
public async Task WriteHeaderAsync()
{
if (headerWritten)
{
throw new InvalidOperationException("The header can only be written once.");
}
core = TouchstoneWriterCore.Create(this);
await core.WriteHeaderAsync();
headerWritten = true;
headerWritten = true;
}
