Qt之下拉框QComboBox相關signal對比--activated與currentIndexChanged

1.函數說明 QComboBox的activated與currentIndexChanged兩個Signal都是改變選擇時觸發的信號,它們分別有兩個重載版本， void activated ( int index ) void activated ( const QString & text ) void currentIndexChanged ( int index ) void current

>>阅读原文<<