How to recompile leap motion plug in?

Development Modding
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1

I modified official leap motion plug in code and wanted to compile but I didnt work.
I tried rebuild engine and game code. There is no change,
Then in windows->developer tool->modules i clicked recompile in leapmotioncontrolleractor section, but it says:
Info ERROR: Rocket: No modules found to build?

2

can someone help?
After u modify plug in code, how to make it take effects?