public class GifOptions : ImageOptionsBase

Public Class GifOptions
	Inherits ImageOptionsBase

public ref class GifOptions : public ImageOptionsBase

type GifOptions =  
    class
        inherit ImageOptionsBase
    end

[C#]

string dir = "c:\\temp\\";

//Load an existing image (of type Gif) in an instance of Image class
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.gif"))
{
    //Export to BMP file format using the default options
    image.Save(dir + "output.bmp", new Aspose.Imaging.ImageOptions.BmpOptions());

    //Export to JPEG file format using the default options
    image.Save(dir + "output.jpg", new Aspose.Imaging.ImageOptions.JpegOptions());

    //Export to PNG file format using the default options
    image.Save(dir + "output.png", new Aspose.Imaging.ImageOptions.PngOptions());

    //Export to TIFF file format using the default options
    image.Save(dir + "output.tif", new Aspose.Imaging.ImageOptions.TiffOptions(Aspose.Imaging.FileFormats.Tiff.Enums.TiffExpectedFormat.Default));
}

[C#]

string dir = "C:\\aspose.imaging\\net\\misc\\ImagingReleaseQATester\\Tests\\testdata\\2548";
string inputFilePath = System.IO.Path.Combine(dir, "Multipage.cdr");
string outputFilePath = System.IO.Path.Combine(dir, "Multipage.cdr.gif");

Aspose.Imaging.ImageOptionsBase exportOptions = new Aspose.Imaging.ImageOptions.GifOptions();

using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(inputFilePath))
{
    exportOptions.MultiPageOptions = null;

    // Export only first two pages. These pages will be presented as animated frames in the output GIF.
    Aspose.Imaging.IMultipageImage multipageImage = image as Aspose.Imaging.IMultipageImage;
    if (multipageImage != null && (multipageImage.Pages != null && multipageImage.PageCount > 2))
    {
        exportOptions.MultiPageOptions = new Aspose.Imaging.ImageOptions.MultiPageOptions(new Aspose.Imaging.IntRange(0, 2));
    }

    if (image is Aspose.Imaging.VectorImage)
    {
        exportOptions.VectorRasterizationOptions = (Aspose.Imaging.ImageOptions.VectorRasterizationOptions)image.GetDefaultOptions(new object[] { Aspose.Imaging.Color.White, image.Width, image.Height });
        exportOptions.VectorRasterizationOptions.TextRenderingHint = Aspose.Imaging.TextRenderingHint.SingleBitPerPixel;
        exportOptions.VectorRasterizationOptions.SmoothingMode = Aspose.Imaging.SmoothingMode.None;
    }

    image.Save(outputFilePath, exportOptions);
}

[C#]

//Create an instance of MemoryStream
using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
{
    //Create an instance of GifOptions and set its various properties including the Source property
    Aspose.Imaging.ImageOptions.GifOptions gifOptions = new Aspose.Imaging.ImageOptions.GifOptions();
    gifOptions.Source = new Aspose.Imaging.Sources.StreamSource(stream);

    //Create an instance of Image
    using (Aspose.Imaging.RasterImage image = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Create(gifOptions, 500, 500))
    {
        //Get the pixels of image by specifying the area as image boundary
        Aspose.Imaging.Color[] pixels = image.LoadPixels(image.Bounds);

        //Loop over the Array and sets color of alrenative indexed pixel
        for (int index = 0; index < pixels.Length; index++)
        {
            if (index % 2 == 0)
            {
                //Set the indexed pixel color to yellow
                pixels[index] = Aspose.Imaging.Color.Yellow;
            }
            else
            {
                //Set the indexed pixel color to blue
                pixels[index] = Aspose.Imaging.Color.Blue;
            }
        }

        //Apply the pixel changes to the image
        image.SavePixels(image.Bounds, pixels);

        // save all changes.
        image.Save();
    }

    // Write MemoryStream to File
    using (System.IO.FileStream fileStream = new System.IO.FileStream(@"C:\temp\output.gif", System.IO.FileMode.Create))
    {
        stream.WriteTo(fileStream);
    }   
}