private void insertToolStripMenuItem_Click(object sender, EventArgs e)
{
Random random = new Random();
ShapesList.AddShape(random.Next(1, Size.Width), random.Next(1, Size.Height), Color, Type);
Invalidate();
}
private void Form1_MouseDoubleClick(object sender, MouseEventArgs e)
{
ShapesList.AddShape(e.X, e.Y, Color, Type);
Invalidate();
}