private void MagicButton_Click(object sender, EventArgs e)
{
ClearButton_Click(this, null);
IEnumerable <string> subjects = DSTableCreator.GetInstance().GetSubjects();
FillListBox(subjects);
AddButton.Enabled = false;
}
public static DSTableCreator GetInstance()
{
if (dSTableCreator == null)
{
dSTableCreator = new DSTableCreator();
}
return(dSTableCreator);
}