在下面的代码中,ActiveView是一个框架,寄存器是页面。我想将注册页面加载到ActiveView中,然后更改按钮上的文本。即使页面加载,调试器也会显示SetCloseButtonText中的ActiveView.Content == null。为什么会这样呢?ActiveView.Content.Equals(NewPage)) if (ActiveView.Content !ActiveView.Content = Ne
' does not exist on type '{ activeView: number; } | { totalViews: number; }'.Property 'activeView' does not exist on type '{ totalViews: number; }'.Property 'totalViews' does not exist on type '{ activeView: number; }'