Posting to the parent window from inside a popup window is still possible but it requires changes at the page level and a bit of tricky scripting.

从内部弹出窗口提交到父窗口仍然需要更改页面级别的棘手的代码。

youdao

By monitoring messages sent to the parent window of your check box control (and checking the control by mouse), I noticed one WM_COMMAND message and two WM_NOTIFY messages.

通过监控发送到您的复选框控件的父窗口消息(和检查通过鼠标控制)，我注意到有一个WM_COMMAND消息和两个WM_NOTIFY消息。

youdao

Points to the parent window object (of type CWnd) to which the dialog object belongs. If it is NULL, the dialog object's parent window is set to the main application window.

指向含有对话框地父窗口对象地指针。假如为NULL，对话框对象地父窗口设置为应用地主窗口。

youdao

Blundell is set to join Barrow on a permanent basis from parent club Chester when the transfer window reopens in January.

BBC: Barrow co-boss Dave Bayliss warns players to perform