/// <summary>
/// delete all the items from the right listbox and add to the left listbox if there are no duplicates
/// </summary>
private void allToLeft_Click(object sender, EventArgs e)
{
int[] LeftArr = ClassSom1.GetArrFromList(ListLeft);
int[] RightArr = ClassSom1.GetArrFromList(ListRight);
int Length = ClassSom1.LengthOfArrayWithoutDuplicates(RightArr, LeftArr);
LeftArr = ClassSom1.MoveAllItems(RightArr, LeftArr, Length);
ClassSom1.FillListFromArray(LeftArr, ListLeft);
ListRight.Items.Clear();
}
/// <summary>
/// delete the selected item in the left listbox and add in the right listbox
/// </summary>
private void selecToRight_Click(object sender, EventArgs e)
{
if (ListLeft.SelectedIndex != -1)
{
int[] LeftArr = ClassSom1.GetArrFromList(ListLeft);
int[] RightArr = ClassSom1.GetArrFromList(ListRight);
RightArr = ClassSom1.AddSingleItem(ListLeft.SelectedIndex, ListRight.Items.Count, LeftArr, RightArr);
LeftArr = ClassSom1.DeleteItem(ListLeft.SelectedIndex, ListLeft.Items.Count, LeftArr);
ClassSom1.FillListFromArray(LeftArr, ListLeft);
ClassSom1.FillListFromArray(RightArr, ListRight);
}
}