Path  = "/New/pic.png";
    Token = "sl.B9UkyV2zUTP1LLTzgy6XcG5j_RdnQh84LmpC70BXg5rw9eXyYb0F7XGDXMiLrjc69YlZIFZqEi...";

    Result = OPI_Dropbox.DeleteObject(Token, Path);