//When clear button is clicked it clears the Canvas.
private void Clearbutton_Click(object sender, EventArgs e)
{
Canvaspanel.Invalidate();
//Clears all our data structures that hold the current lines and shapes on the canvas.
SBuilder.ClearListsOfShapes();
}
//Painter form constructor.
public PainterForm()
{
InitializeComponent();
//Creates graphics variable that is linked to the canvas we draw on.
graphics = Canvaspanel.CreateGraphics();
//Create and instance of the class that holds all the objects we need to use, pen, graphics etc.
SBuilder = new ShapesBuilder(graphics);
//Hide the dimensions sections, since the default drawing setting is drawing lines.
HideDimensionsSection();
}
