How to call a varible that is in the PluginEditor.cpp to a file called ShelvingLowPass.cpp?

[daniel]

This continues in this thread:

Cannot initialize a parameter of type 'double' with an lvalue of type 'float *'

Ah right, sorry for not answering in the previous thread… If you add a member to a class, it needs to be constructed. But AudioProcessorValueTreeState has no default constructor (that’s what it says). A default constructor is one without arguments. The AudioProcessorValueTreeState is one of the classes, that can’t work without some arguments, so you must supply them. There are two ways: a) default arguments in the declaration: class EqAudioProcessor : public AudioProcessor { // ... AudioP…