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The Sub Table XPOR property

The attached shows the creation of a simple Object Type with one property - a Sub Table.  It then makes the interface for that Object Type - with a Grid form for the sub table list.  Finally we make an example object in an XPOR installation and demonstrate the sub table property in use.

Sub Table Properties

Sub Table Properties - what are they used for?  As mentioned, a Sub-Table is effectvely a list.  So, if an object has a property that is effectively a list, then this is the Property to use.  Here are some examples.

Recording Performance of a Fan object

Consider that we want to know the usage of a Desk Fan (for some reason!).  The fan is an object, - colour, diameter, style etc. But we would also include a Sub Table Property "Usage".  This would include fields for Time on, Time Off and Speed Setting.  Then we can enter this information each time we use the fan.