public static Color fillColor; //
public Form1()
{
InitializeComponent();
primitive = new Pencil(DrawPanel.CreateGraphics());
p = new Pen(Color.Black, (float)trackBarThickness.Value);
fillColor = Color.Black;
// buttonInvert.Click += MakeWork;
}
private void radioButtonLine_CheckedChanged(object sender, EventArgs e)
{
primitive = new Line(DrawPanel.CreateGraphics());
}