dBase IndexKey in VB with Accessfiles?

I must use an indexkey like left(y,x) from a dBase indexfile. How works it on Access Files? I try to set: idx.createFields("left(y,x)"), but this can't work!
How can I use functions in access indexkeys???
lucyjimmyAsked:
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cymbolicCommented:
This will not work in Access.  It ws a provision only in Dbase systems to place a function in a key expression, but not a real good idea for performance even there!  To simulate some of the same capability, I have had to reformat my .dbf files by breaking down larger fields that are really concatenated data, into unique shorter fields in the .dbf file.  Then you can run a normal index on the component pieces, or a multicolumn index as well in Access.

You just can't use an index that contains a function in Access. You have to find some way to work around it.
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lucyjimmyAuthor Commented:
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