private void insertStation(String name, int id)
{
TbStation s = new TbStation();
s.id = id;
s.Name = name;
stationPool = stationPool.Concat(new TbStation[] { s }).ToArray();
}
private void button2_Click(object sender, EventArgs e)
{
//when user add a station to be considered in prim's algorithm check wether the station
//is elegible to be added..
TbStation selectedItem = ((TbStation)selectedStationCombo.SelectedItem);
String errMsg;
if ((errMsg = checkIfValid(selectedItem.id)) != null)//iif error message is null it means successfully
//station is selected
{
popInvalidSelectionError(errMsg);
}
else
{
selectedStationContainer.Items.Add(selectedItem.Name);
}
}