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   源码介绍

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在HWindowControl控件上绘制ROI图形，比如圆，矩形和椭圆。

        private void button1_Click(object sender, EventArgs e)
        {
            HOperatorSet.SetColor(hWin, "red");
            hWindowControl1.Focus();
            HTuple r, c, radius;
            HObject circle;
            HOperatorSet.DrawCircle(hWin, out r, out c, out radius);
            HOperatorSet.GenCircle(out circle, r, c, radius);
            HOperatorSet.DispObj(circle, hWin);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            HOperatorSet.SetColor(hWin, "green");
            hWindowControl1.Focus();
            HTuple r, c, phi, len1, len2;
            HObject rectangle;
            hWindowControl1.Focus();
            HOperatorSet.DrawRectangle2(hWin, out r, out c, out phi, out len1, out len2);
            HOperatorSet.GenRectangle2(out rectangle, r, c, phi, len1, len2);
            HOperatorSet.DispObj(rectangle, hWin);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            HOperatorSet.SetColor(hWin, "yellow");
            hWindowControl1.Focus();
            HTuple r, c, phi, rad1, rad2;
            HObject ellipse;
            HOperatorSet.DrawEllipse(hWin, out r, out c, out phi, out rad1, out rad2);
            HOperatorSet.GenEllipse(out ellipse, r, c, phi, rad1, rad2);
            HOperatorSet.DispObj(ellipse, hWin);
        }