/// <summary>
/// Checks whether the specified configuration is valid and can be used.
/// If the configurationnis invalid, an appropiate exception is thrown.
/// Otherwise, the function simply returns.
/// </summary>
/// <param name="config">
/// The <see cref="Configuration"/> object to check.
/// </param>
private static void CheckSettings(Configuration config)
{
if (!Directory.Exists(config.BaseDir))
{
string foundDir = FindBaseDir();
if (foundDir != null && Directory.Exists(foundDir))
config.BaseDir = foundDir;
else
throw new Exception("No screenshot folder has been set.");
}
config.Save();
}