public void TestFillRect()
{
const string outputFilePath = "../../Output/FillRect.png";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768-white.png");
thisImage.ImageFormat = NetImage.ImageFormats.PNG;
thisImage.Filename = outputFilePath;
thisImage.BackgroundColor = NetImage.DotNETARGBToVBScriptRGB(Color.Red.ToArgb());
thisImage.FillRect(10, 10, 20, 20);
thisImage.AutoClear = false; // Don't clear on save so we can still access raw image
thisImage.SaveImage();
var color1 = ((Bitmap)thisImage.RawNetImage).GetPixel(9, 9).ToArgb();
var color2 = ((Bitmap)thisImage.RawNetImage).GetPixel(10, 10).ToArgb();
var color3 = ((Bitmap)thisImage.RawNetImage).GetPixel(20, 20).ToArgb();
var color4 = ((Bitmap)thisImage.RawNetImage).GetPixel(21, 21).ToArgb();
Assert.AreEqual(Color.White.ToArgb(), color1);
Assert.AreEqual(Color.Red.ToArgb(), color2);
Assert.AreEqual(Color.Red.ToArgb(), color3);
Assert.AreEqual(Color.White.ToArgb(), color4);
}