See http://www.berezniker.com/content/pages/visual-foxpro/opening-url-default-web-browser. Just use a file name instead of URL.

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>I have a form with an image control. I would like to be able to doubleclick the control and load the file into a viewer like Windows Picture and Fax Viewer. I would appreciate a reference or two on how to do it.
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>Thanks,
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>Al Allison