private void AddTexture(BNTX bntx)
        {
            OpenFileDialog ofd = new OpenFileDialog();

            ofd.Filter = "Supported Formats|*.bftex;*.dds; *.png;*.tga;*.jpg;*.tiff|" +
                         "Binary Texture |*.bftex|" +
                         "Microsoft DDS |*.dds|" +
                         "Portable Network Graphics |*.png|" +
                         "Joint Photographic Experts Group |*.jpg|" +
                         "Bitmap Image |*.bmp|" +
                         "Tagged Image File Format |*.tiff|" +
                         "All files(*.*)|*.*";
            ofd.DefaultExt  = "bftex";
            ofd.Multiselect = true;

            if (ofd.ShowDialog() == DialogResult.OK)
            {
                foreach (string name in ofd.FileNames)
                {
                    bntx.AddTexture(name);
                    listView1.Items.Add(System.IO.Path.GetFileNameWithoutExtension(name));
                }
            }
        }