void worker_Load(object sender, System.ComponentModel.DoWorkEventArgs e)
{
WorkArguments args = ((WorkArguments)e.Argument);
CalcCbr cbr = new CalcCbr();
cbr.Worker = args.Worker;
cbr.LoadBook(args.File);
e.Result = new ResultArguments(cbr, args);
}
public ResultArguments(CalcCbr cbr, WorkArguments args)
{
this.Cbr = cbr;
this.WorkArguments = args;
}