Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Parameter 'model' is unread.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Unboxing a possibly null value.

The variable 'e' is declared but never used

Parameter 'SettingModel setting' is captured into the state of the enclosing type and its value is also passed to the base constructor. The value might be captured by the base class as well.

Field 'TopView.hndl' is never assigned to, and will always have its default value null