//Occurs when the New Canvas button is clicked. Cleans up any threads from previous
//drawers, then starts a new drawer.
private void button1_Click(object sender, EventArgs e)
{
//tells our threads to finish, then waits a moment for them to do so
isAlive = false;
Thread.Sleep(100);
isAlive = true;
if (canvas != null)
canvas.Close();
//creates a new CTracker using form values
canvas = new CTracker((int)numericUpDownWidth.Value, (int)numericUpDownHeight.Value);
canvas.Scale = (int)numericUpDownScale.Value;
canvas.Position = new Point(Location.X + Width, Location.Y);
//assigns our event handler to the event created in CTracker
canvas.Full += canvas_Full;
listView1.Items.Clear();
thList = new List<Thread>();
timer1.Enabled = true;
}
//custom constructor, initializes our class members
public Wanderer(Point startPoint, Color wColor, CTracker drawer)
{
pStack = new Stack<Point>();
pStack.Push(startPoint);
wanderColor = wColor;
canv = drawer;
rnd = new Random();
}
//custom constructor leveraging the base
public RandomWanderer(Point p, Color c, CTracker d)
: base(p, c, d)
{
}