Walter, can you tell me how you would create a SDI application without using a single form as top-level?

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>SDI has nothing to do with top level forms. SDI stands for Singe Document Interface and is the opposite of the MDI, Multiple Document Interface. Therefore any window that is not MDI is automaticly a SDI form.
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>I don't know exactly where this confusion comes from, but I suspect it has something to do with the main FoxPro window, which is a MDI form. To create a SDI desktop form, we have the alternative of using another desktop window by the ShowWindow property.