The actual Windows Forms control for the preview display

Set by the host application to indicate the preferred color to be used for highlighting the current segment in the preview when NavigateToSegment(SegmentReference) is called.

RefreshPreview should be set to true in the controller if a full preview regeneration is needed

Full path to the source language file. This should be set by the application before the first call to Launch or Refresh.

Full path to the target language file that is overwritten when the preview is refreshed. This path is typically set once and stays unchanged during the lifetime of the preview.

Full path to the target language file, which should be set by the application before the first call to Launch or Refresh.