private void BtnTabellenImp_Click(object sender, EventArgs e)
{
string filename = ClsDialog.Open(ClsFileExtentions.Tabellen);
ClsTabellendarstellungImpExp.ImportFromFile(filename);
}
private void BtnTabellenExp_Click(object sender, EventArgs e)
{
string filename = ClsDialog.Save(ClsFileExtentions.Tabellen);
ClsTabellendarstellungImpExp.ExportToFile(filename);
}
