private void setLineJoinToolStripMenuItem_Click(object sender, EventArgs e)
{
lastSelected = "setLineJoin";
OnPaintAction = cr =>
{
cr.LineWidth = 40.96;
cr.MoveTo(76.8, 84.48);
cr.RelLineTo(51.2, -51.2);
cr.RelLineTo(51.2, 51.2);
cr.LineJoin = LineJoin.Miter; /* default */
cr.Stroke();
cr.MoveTo(76.8, 161.28);
cr.RelLineTo(51.2, -51.2);
cr.RelLineTo(51.2, 51.2);
cr.LineJoin = LineJoin.Bevel;
cr.Stroke();
cr.MoveTo(76.8, 238.08);
cr.RelLineTo(51.2, -51.2);
cr.RelLineTo(51.2, 51.2);
cr.LineJoin = LineJoin.Round;
cr.Stroke();
};
Invalidate();
}