Dear Openflipper,
In code, we are able to call the following instruction to switch the view mode from single to double.
 
RPC::callFunction("core", "MultiViewMode", 1);
 
However, I found that the combo of "Switch viewer layout" in the toolbar did not change.
It was still in the first item.
 
How could I change it in code?
 
Best Regards,
Xianyong Liu.