Saving all Drawn Objects into a Bitmap

Question

I have a Canvass (PictureBox) and Shapes, Images or Text can be drawn on it as seen int he picture below. What I want to do now is to save them all into one BITMAP File. I have no idea so how do I start?

PS: I'm using different Graphics object to draw each.

Answer 1

Found a workaround, this will save the drawings in my pictureBox/Canvass.

private void button2_Click(object sender, EventArgs e)
    {
        SaveFileDialog save = new SaveFileDialog();

            //Creates a filter fir saving the Project File
            save.Filter = "Image Files(*.jpg; *.jpeg; *.gif; *.bmp); *.PNG|*.jpg; *.jpeg; *.gif; *.bmp; *.PNG";     
            save.DefaultExt = ".bmp";
            save.AddExtension = true;

            if (save.ShowDialog() == DialogResult.OK)
            {
                using (var bmp = new Bitmap(pictureBox_Canvass.Width, pictureBox_Canvass.Height))
                {
                    pictureBox_Canvass.DrawToBitmap(bmp, new Rectangle(0, 0, bmp.Width, bmp.Height));
                    bmp.Save(save.FileName);
                }
            }
    }

SAMPLE OUTPUT