public Summary(ChooseSource step1, ChooseTables step2, ChooseDestination step3)
{
InitializeComponent();
this.Step1 = step1;
this.Step2 = step2;
this.Step3 = step3;
}
/// <summary>
/// create new instance with given attributes
/// </summary>
/// <param name="source"></param>
public ChooseTables(ChooseSource source)
: this()
{
this.chooseSource = source;
}