Question

我的视图模型中有一些代码会更改应用程序语言，然后更改某些控件上的文本。

这是仪表板页面数据上下文设置为的DashboardViewModel：

ApplicationLanguages.PrimaryLanguageOverride = languageCode;
ResourceContext.GetForCurrentView().Reset();
ResourceContext.GetForViewIndependentUse().Reset();
NavigationService.Navigate(typeof(DashboardPage));

使用NavigationService.Navigate(typeof(DashboardPage));我试图强制页面刷新，但没有成功。我该怎么做？

Answer 1

这条线对我来说效果很好。

 await Task.Delay(100);
 Frame.Navigate(this.GetType());

Answer 2

如果您尝试导航到同一页面，

NavigationService.Navigate()没有做任何事情。

解决方法是在导航请求中添加一个参数来强制它。

NavigationService.Navigate(typeof(DashboardPage), "force refresh after language change");

Answer 3

我使用了一种类似于@Vincent的方法，但是使用了DateTime.Now.Ticks作为参数。这样可以确保参数值将有所不同，从而触发刷新。

NavigationService.Navigate(typeof(DashboardPage), DateTime.Now.Ticks);

Answer 4

这似乎可行：

{
  "name": "reactjs",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "@testing-library/jest-dom": "^5.11.4",
    "@testing-library/react": "^11.1.0",
    "@testing-library/user-event": "^12.1.10",
    "bootstrap": "^4.5.3",
    "react": "^17.0.1",
    "react-bootstrap": "^1.4.0",
    "react-dom": "^17.0.1",
    "react-scripts": "4.0.0",
    "web-vitals": "^0.2.4"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"

  },
  "proxy": "http://localhost:8080",
  "eslintConfig": {
    "extends": [
      "react-app",
      "react-app/jest"
    ]
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  }
}

UWP MVVM：更改语言后刷新页面

4 个答案: