My shell has toolbar, navigation and main regions. While some menu item (foo) in toolbar selected, the navigation should be reloaded with parameter foo; and the ma开发者_如何学Pythonin region should be reset with the parameter. How to do it?
Take a look at RegionContext
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......
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