UnityEngine.WWW.LoadImageIntoTexture C# (CSharp) Method

        public extern void LoadImageIntoTexture(Texture2D tex);
        /// <summary>

        public void LoadTexture(String relativePath, ref Texture2D targetTexture)
        {
            var imageLoader = new WWW("file://" + root + relativePath);
            imageLoader.LoadImageIntoTexture(targetTexture);

            if (imageLoader.isDone && imageLoader.size == 0) allTexturesFound = false;
        }