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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>>That error message indicates that your input source object did not set "fFrameSize" properly. In particular, it set it to a value greater than "fMaxSize" - bad!<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>>A data source object *must* check "fMaxSize" before delivering data and setting "fFrameSize".<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ok, this is surely what I’m doing wrong, but I don’t quite understand what happens to the truncated bytes when the frame is bigger than fMaxSize, they seem to just get thrown away. Does fMaxSize change each time? DeliverFrame will get called again immediately but this will get the next frame. Don’t we need to send the rest of the frame on the next call to DeliverFrame? Am I missing something obvious here, sorry? - David<o:p></o:p></p></div></body></html>