DirectX3D TextureLoader.FromFile not working with GIF??

(Sorry, only have 235 points)

I'm trying to execute line 23 (below). However, it draws a vague 'Error in the application' error message. I tried the same line with a BMP and PNG, both worked perfect. I need it to work in GIF format, however.

On MSDN it says, "This method supports the following file formats: .bmp, .dds, .jpg, .png, and .gif. ":

http://msdn.microsoft.com/en-us/library/ms130475.aspx

private Device device;
        private Texture texture;
 
        public Form1()
        {
            InitializeComponent();
 
            PresentParameters present;
            present = new PresentParameters();
            present.Windowed = true;
            present.SwapEffect = SwapEffect.Discard;
            device = new Device(0, DeviceType.Hardware, this.displayBox,
                CreateFlags.SoftwareVertexProcessing, present);
            device.DeviceReset += OnDeviceReset;
            OnDeviceReset(null, EventArgs.Empty);
        }
 
 
        private void OnDeviceReset(object sender, EventArgs e)
        {
            try
            {
                texture = TextureLoader.FromFile(device, Directory.GetCurrentDirectory() + "\\graphics\\tileset.gif", 0, 0, 1, Usage.None, Format.Unknown, Pool.Managed, Filter.None, Filter.None, Color.Magenta.ToArgb());
            }
            catch(Exception ex){
                MessageBox.Show(ex.Message.ToString());
            }
        }

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