DECLARE_DELEGATE_RetVal_OneParam( ReturnValueType, DelegateName, Param1Type ) DECLARE_DYNAMIC_DELEGATE_RetVal_OneParam( ReturnValueType, DelegateName, Param1Type, Param1Name ) 例如: DECLARE_DELEGATE_RetVal_OneParam(bool, FIsMontagePlayingExceptSlots, const TArray<FName>&); 补充点: 多播委托与单播委...