Simple Button matrix 
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.. lv_example:: widgets/btnmatrix/lv_example_btnmatrix_1
  :language: c


Custom buttons 
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.. lv_example:: widgets/btnmatrix/lv_example_btnmatrix_2
  :language: c


Pagination 
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.. lv_example:: widgets/btnmatrix/lv_example_btnmatrix_3
  :language: c