/// <summary> /// Regenerate the preview image following changes to settings /// </summary> public void GeneratePreviewImage() { PNGQuant quantImg = new PNGQuant(originalImageData); quantImg.Colours = Colours; if (OrderedDither) { quantImg.Options |= PNGQuant.CompressorOptions.None; } quantImg.Start(); MemoryStream ms = new MemoryStream(quantImg.CompressedFile); pngQuantPreview = Image.FromStream(ms); }