Midi keyboard component

I complie my code but it have error message of unknown type name “MidiKeyboardComponent”

Did you include the juce_audio_utils module in your project?

Rail

I use
#include “…/JuceLibraryCode/JuceHeader.h”
#include “PluginProcessor.h”

Yes, but the juce_audio_utils module needs to be added. It’s easiest via the Projucer

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Thank you so much I slove the problem, it works.