跳转到内容
View in the app

A better way to browse. Learn more.

彼岸论坛

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.
欢迎抵达彼岸 彼岸花开 此处谁在 -彼岸论坛

[程序员] 如何在 QT 中的多个级别的窗口之间传输消息

发表于

假设form_Bform_Cform_A下创建,然后form_Dform_C下创建。form_B如何从form_D获得信号?

我的想法是先将信号从form_D传递到form_C,然后再传递到form_A,最后form_A将信号传递到form_B。然而,这样会有很多与各种信号相关的连接,并且很难管理。 真诚地请教下是否有其他方法可以管理这么多信号。真诚地询问是否有更方便的方法来管理信号,将信号从form_D传输到form_B

Featured Replies

No posts to show

创建帐户或登录来提出意见

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.