how to make objects are visble/invisble..

[priyareguri]

hi friends..am stroing graphics..for example rectangle,ellipse,line,round rect etc each graphic in seperate object..so now i want to make invisble/visble using button click events..plzzzzzzzz help me... txs in advance...

[Xmen Real]

I wrote a simple code for help

        Bitmap b1 = new Bitmap(256, 256);
        Bitmap b2 = new Bitmap(256, 256);
        Bitmap final = new Bitmap(256, 256);
        Graphics g = Graphics.FromImage(b1);
        g.DrawRectangle(Pens.Red, 0, 0, 150, 150);
        g.Dispose();
        g = Graphics.FromImage(b2);
        g.DrawEllipse(Pens.Black, 100, 100, 50, 50);
        g.Dispose();
        g = Graphics.FromImage(final);
        g.DrawImage(b1, new Point(0, 0)); // Delete this line if you dont want to draw b1 image
        g.DrawImage(b2, new Point(0, 0));
        g.Dispose();
        pictureBox1.BackgroundImage = final;

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