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The company 's own documents supported the assertion that its food was high in fat , sugar and salt , which was linked by health education bodies with cancer , Ms Steel said . It was in the writing of one of my books that I realized that it would be really cool if all of my demo applications were to contain an About box that displayed certain information about me . Take it from me , neither is a very interesting or pleasant job to do on a large project . Sometimes , when you delete the caption bar , a destroywindow is called . The one I used to learn with was Mastering Turbo Assembler by Tom Swan , which I am sure is out of print .