Check out example codes for "c# image". It will help you in understanding the concepts better.

Code Example 1

private void ImageExampleForm_Paint(object sender, PaintEventArgs e)
    // Create image.
    Image newImage = Image.FromFile("SampImag.jpg");
    // Create Point for upper-left corner of image.
    Point ulCorner = new Point(100, 100);
    // Draw image to screen.
    e.Graphics.DrawImage(newImage, ulCorner);

Learn ReactJs, React Native from