public Calculator()
{
InitializeComponent();
equal = 0;
tmp = 0;
action = PrevAction.Add;
clear = false;
}
public void RepopulateLinks()
{
if (this.PrevAction != null)
{
PrevAction.NextAction = this;
PrevAction.RepopulateLinks();
}
}
private void Esc()
{
equal = 0;
tmp = 0;
action = PrevAction.Add;
clear = false;
textBoxEqual.Text = "0";
textBoxActivity.Text = "";
}
private void Equal()
{
if (action != PrevAction.Equal && action != PrevAction.none)
{
Action();
action = PrevAction.Equal;
textBoxActivity.Text = Convert.ToString(equal);
textBoxEqual.Text = Convert.ToString(equal);
tmp = Convert.ToDouble(textBoxEqual.Text);
}
}
private void Division()
{
if (action == PrevAction.Equal)
{
textBoxActivity.Text += " / ";
}
else if (textBoxEqual.Text.Length != 0 && !clear)
{
textBoxActivity.Text += (textBoxEqual.Text + " / ");
textBoxEqual.Clear();
}
else
{
textBoxActivity.Text = textBoxActivity.Text.Remove(textBoxActivity.Text.Length - 3) + " / ";
}
Action();
action = PrevAction.Division;
clear = true;
tmp = 0;
textBoxEqual.Text = Convert.ToString(equal);
}