/// <summary>
/// event handler de geselecteerde stack laad en de andere stacks leeg maakt.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SelectRadiobutton(object sender, EventArgs e)
{
switch (((Control)sender).Text)
{
case "arraystack":
selectedStack = "arraystack";
listbox.Items.Clear();
MLstack = null;
Lstack = null;
break;
case "Liststack":
selectedStack = "Liststack";
listbox.Items.Clear();
MLstack = null;
Astack = null;
break;
case "MyListstack":
selectedStack = "MyListStack";
listbox.Items.Clear();
Astack = null;
Lstack = null;
break;
}
}
/// <summary>
/// functie die de text in de label verplaatst naar de listbox en de geselecteerde stack
/// daarna wordt de label weer geleegd
/// </summary>
private void Submitevent()
{
if (text != "" && text != "+" && text != "-" && text != "*" && text != "/")
{
listbox.Items.Add(Convert.ToDecimal(text));
switch (selectedStack)
{
case "arraystack":
if (Astack == null)
{
Astack = new ArrayStack <decimal>();
}
Astack.Push(Convert.ToDecimal(text));
break;
case "Liststack":
if (Lstack == null)
{
Lstack = new ListStack <decimal>();
}
Lstack.Push(Convert.ToDecimal(text));
break;
case "MyListStack":
if (MLstack == null)
{
MLstack = new MyListStack <decimal>();
}
MLstack.Push(Convert.ToDecimal(text));
break;
}
text = "";
label.Text = "";
}
}