/// <summary>
/// Sets the modal case for the specified analysis case.
/// If the specified modal case is not actually a modal case, the program automatically replaces it with the first modal case it can find.
/// If no modal load cases exist, an error is returned.
/// </summary>
/// <param name="modalCase">The modal case.</param>
/// <exception cref="CSiException"><see cref="CSiApiBase.API_DEFAULT_ERROR_CODE" /></exception>
public void SetModalCase(ModalEigen modalCase)
{
_appSet?.SetModalCase(CaseName, ModalCase);
_modalCase = modalCase;
}
/// <summary>
/// Retrieves the modal case assigned to the analysis case.
/// </summary>
/// <exception cref="CSiException"><see cref="CSiApiBase.API_DEFAULT_ERROR_CODE" /></exception>
public void FillModalCase()
{
_modalCase = new ModalEigen(_appGet?.GetModalCase(CaseName));
}