Solution for "A Graphics Object cannot be Created from an Image that has an Indexed Pixel Format"

try
{
    // create Image Object using rear image byte[]
    Image imag = Image.FromStream(new MemoryStream(imageR));
    // Derive BitMap object using Image instance, so that you can avoid the issue
    //"a graphics object cannot be created from an image that has an indexed pixel format"
    Bitmap img = new Bitmap(new Bitmap( imag ));
}
catch (Exception ex)
{
    MessageBox.Show(ex.Message);
}