>Is there any pattern or most-common-strategy to design an application to work on-line sometimes and off-line other times?
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>My application will be used by the central office on-line always. However, some other users will work from home and they will use it off-line.
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>I am looking for a strategy more than VFP features to do it.
Look at the state pattern ( GAMMA pg 305). Use in combination with VFP OFF line views.
I don't know of any VFP framework that supports it, so you'll need to work out one yourself.
Regards