Hi,
that did the trick. There was also one thing missing. I had to set
maximum_inputs and minimum_inputs to 1 and 0 to make it work.
regards
Adam
Hi Nico,
that's quite straight forward if you subclass from DrawOp.
otherwise:
you do an Iop and then you test for an input
say
Iop * myInputOp = dynamic_cast<Iop *>(input(0))
then test this myInputOp to break if false
that should do the trick.
Merry xmas
L.
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