NSView subView在添加到superView后不可见 [英] NSView subView not visible after added to superView

问题描述

这是我的最后一个视窗

this is my final window

我添加了4个子视图（第2张图片中的最后4个）到基本视图。但不显示视图。在手动调整大小窗口后，子视图如下所示。

i added 4 subviews (last 4 in 2nd image) to the base view. but not displaying the view. after manual resizing window the subviews appeared as below.

如何可以修复它？

推荐答案

baseView.needsDisplay = YES;

- 或 -

subview.superview.needsDisplay = YES;

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