On 15 Mar 2007, at 14:35, Ken Ray wrote:
On Thu, 15 Mar 2007 11:59:10 +0000, Dave wrote:
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.
Sorry, Dave, but I don't see the difference... did you want to have
some different action performed if the constant "empty" is passed vs.
an empty variable? If so, what are the two different actions?
Well look at the function:
------------------------------------------------------------------------
------------
--
-- 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
If I just want the discrete Y value I'd like to be able to do this:
get PDFGetXY(theDocumentRef,empty,myYValue)
if I want just discrete X, then I'd like to be able to do:
get PDFGetXY(theDocumentRef, myXValue, empty)
if I want X and Y as two discrete values, then I'd like to be able to
do:
get PDFGetXY(theDocumentRef, myXValue, myYValue)
if I want X and Y as a List, I'd like to be able to do:
put PDFGetXY(theDocumentRef, empty, empty) & cr after myXYList
All the Best
Dave
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