Since using Qt5.x I get following error message : QAxBase: Error calling IDispatch member GetDrawingArea: Unknown error on my function: QList<QVariant> e3Sheet::getDrawingArea() { QList<QVariant> parameters; parameters << QVariant(); parameters << QVariant(); parameters << QVariant(); parameters << QVariant(); dynamicCall("GetDrawingArea(QVariant&,QVariant&,QVariant&,QVariant&)",parameters); return parameters; } All returned parameters (QVariant) are invalid now. The code worked perfect on Qt4.x I have already replaced LIBS += -lqaxcontainer by QT+= axcontainer at my Projectfile. I am currently using MinGW 5.3.0 and Qt5.11.2 Any ideas what is the fault?

@ mrjj Just compiled with 5.9.6: Same behaviour…

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ActiveQt dynamicCall error: Unknown error

Unsolved General and Desktop

21 Posts 3 Posters 3.8k Views 1 Watching

H hskoglund

@MJ_P
I see, I'm guessing something in E³ 's implementation of COM is not 100% kosher, perhaps Qt4 was more generous in this regard.
So alternative 2), a plunge into Classic Com seems to be only option then.
It's not that bad :-)

Maybe I can help, is there a demo version of something of E³ that I can download and test with?
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MJ_P

wrote on last edited by

#21

@hskoglund
I guess there is no demo version of E³ available.
The only option is to contact Zuken (manufacturer) and
ask for a limited testing license.
The last demo version without license was E³-2009.
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