实例化对象的方法不会运行，错误“变量（对象的名称）未初始化

/** There seems to be a problem with the intended method call from the performance class. The object is recognized as band but for some reason when i call band.begin() (band is the new performance object and begin its method) band is not recognized and it suggests it be initialized as a variable? */ /** There seems to be a problem with the intend