Note that for subclassing to occur, the dialog box must be painted at least once.

使用该方法动态子类化时对话框必须先被至少描绘一次。

youdao

Note that for subclassing to occur, the dialog box must be painted at least once.

使用该方法动态子类化时对话框必须先被至少描绘一次。

youdao