>Hi everybody,
>
>We had the following code in one of the old program:
>
>

>if inlist(type("&ImageSource"), "M","Q","W") and len(&ImageSource)>1
>			cOFile = GenOFile(".jpg",.t.)
>			copy memo &ImageSource to (m.cOFile)
>			cOFile = E0Resize(m.cOFile, dpi)
>		endif

>
>
>Please note the line copy memo &ImageSource and check for the type above.
>
>That worked fine when ImageSource was something like 'tableName.photoColumnName'
>
>Now I want to change the above to be
>
>ImageSource = [someDecryptFunction('functionName', 'tableName', columnValue, 'photoColumnName')]
>
>The above code doesn't work anymore :(
>
>I can get the value using
>
>lcValue = evaluate(ImageSource)
>
>But what should I do with this value now? How can I copy that value into the file?
>
>Also, how can I check if the format of my ImageSource is still TableName.ColumnName or it's something more complex like that extra function?
>
>Thanks a lot in advance.

type() and vartype() evaluate expression into a internal try/catch block, a error return "U".
VFP doesn't execute UDF.
Uses a try/catch to simulate type() function.