Function realize_needed_source

src/laybasic/laybasic/layLayerProperties.h:903–906

* @brief Tell, if a realize of the source properties is needed */

   *  @brief Tell, if a realize of the source properties is needed
   */
  bool realize_needed_source () const
  {
    return m_realize_needed_source;
  }

  /**
   *  @brief Marks the properties object as modified