protected override void MouseMoved(MouseButtons bt, Point p) { if (_prev != PEMPTY) { Pic.LClearSquare(_prev, Width); } byte c; if (bt == System.Windows.Forms.MouseButtons.Left) { c = _colorA; } else if (bt == System.Windows.Forms.MouseButtons.Right) { c = _colorB; } else { Pic.LDrawSquare(p, _colorA, Width); return; } if (_prev == PEMPTY || IsNear(_prev, p)) { Pic.DrawSquare(p.X, p.Y, c, Width); } else { Pic.DrawSquareLine(_prev, p, c, Width); } }