The sandcastle tools are command-line based and have no gui front-end, project management features, or an automated build process. A visual studio integration package is also available for it so that help projects can be created and managed entirely from within visual studio. Sandcastle help file builder download. If you are new to sandcastle and the help file builder, see the topics in the getting started section to get familiar with it, set up your projects to canon file print 300 manual xml comments, and create a help file project. In october 2012, microsoft officially declared that they were ceasing support and development of sandcastle.Having bought a subscription, you can download this or other directories on our website. To download the file, click on the button below.