private void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
Tuple <Bitmap, int> options;
SequenceBuilder builder;
options = (Tuple <Bitmap, int>)e.Argument;
builder = new SequenceBuilder(options.Item1, options.Item2);
try
{
builder.Build();
e.Result = builder;
}
catch
{
builder.Dispose();
throw;
}
}