//Процесс рисования фигуры
private void canvas1_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && shape != null)
{
shape.Drawing(e.Location, this.canvas1);
}
}
static void Drawing(IDrawable drawingFigure)
{
drawingFigure.Drawing(5);
drawingFigure.DrawInColours();
}