Hi,
Please take a look at the function below. Basically I was trying to
make a flexible utility function that returned two values either as a
List in the return value or as individual (X, Y or X and Y) values.
It could then used as so:
get PDFGetXY(theDocumentRef,myXValue,myYValue)
or
get PDFGetXY(theDocumentRef,myXValue,empty)
or
get PDFGetXY(theDocumentRef,empty, myYValue)
or
put PDFGetXY(theDocumentRef,empty, empty) & cr after myXYList
However this doesn't seem to work, since it looks like there is no
way to tell if you are passing "empty" as apposed to a value that is
empty, e.g.
put empty into myXValue
put empty into myYValue
get PDFGetXY(theDocumentRef,myXValue,myYValue)
is the same as:
get PDFGetXY(theDocumentRef,empty, empty)
Does anyone know away around this or do I have to abandon my idea and
have two separate GetXY functions?
All the Best
Dave
------------------------------------------------------------------------
------------
--
-- PDFGetXY
--
------------------------------------------------------------------------
------------
function PDFGetXY theDocumentRef,@theXValue,@theYValue
local myXValue
local myYValue
put qrtPDF_GetX(theDocumentRef) into myXValue
put qrtPDF_GetY(theDocumentRef) into myYValue
if theXValue <> empty then
put myXValue into theXValue
end if
if theYValue <> empty then
put myYValue into theYValue
end if
return myXValue & "," & myYValue
end PDFGetXY
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