/// <summary>
/// Adds value to the current stack
/// </summary>
public void AddToStack(bool getLastResult = false)
{
double input;
if (getLastResult)
{
// Get last calculated value
input = lastResult.GetValueOrDefault();
}
else
{
string currentInput = labelInput.Text;
bool successfullyParsed = double.TryParse(currentInput, out input);
// Check if set value is valid
if (currentInput == "" || !successfullyParsed)
{
return;
}
}
// Add value to listbox and update it
listBoxValues.Add(input);
UpdateListBox();
// Add to stack
switch (array)
{
case "ArrayStack":
arrayStack.Add(input);
break;
case "ListStack":
listStack.Add(input);
break;
case "MyListStack":
myListStack.Add(input);
break;
default:
break;
}
// Clear input field
labelInput.Text = "";
}
// Explained in Stack class
public override void Add(double?value)
{
if (item == null)
{
item = value;
}
else if (next == null)
{
// Create next and set item by calling Add
next = new MyListStack();
next.Add(value);
}
else
{
next.Add(value);
}
}