在多语言计算机中检测当前的键盘语言/布局名称 [英] Detect current keyboard language/layout name in multi-language computer

问题描述

我正在尝试使用C＃开发一个应用程序，该应用程序需要检测用户选择的语言（键盘布局）。
但是我的计算机上安装了两种语言，即使我在运行应用程序之前更改了语言，代码也始终返回默认的一种语言。

I am trying to develop an application in C# which required to detect user selected language (keyboard layout). However two languages are installed on my computer, the code always returns the default one, even I change the language before run the application.

InputLanguage myCurrentLanguage = InputLanguage.InstalledInputLanguages[1]; // here I can see collection of languages 
InputLanguage myCurrentLanguage2 = InputLanguage.CurrentInputLanguage; // always return first or default one

是否有检测实际选择/运行语言的技术？

Is there any technique to detect the real selected / running language?

推荐答案

名称空间<$中的Thread.CurrentThread.CurrentCulture.TwoLetterISOLanguageName c $ c> System.Threading 返回您所称的默认区域性，并且与键盘布局无关。即在我的计算机上，这将返回 de ，即我用于日期和数字格式的区域性。但是，我使用的是US-ASCII键盘和 .Culture.Name 和 .LayoutName > System.Windows.Forms.InputLanguage.CurrentInputLanguage 返回 zh-CN 和 US

Thread.CurrentThread.CurrentCulture.TwoLetterISOLanguageName in the namespace System.Threading returns what you call the default culture and is not related to the keyboard layout. I.e. on my computer this returns "de", the culture I am using for date and number formatting. However, I am using an US-ASCII keyboard and .Culture.Name and .LayoutName from System.Windows.Forms.InputLanguage.CurrentInputLanguage return "en-US" and "US" respectively.

Thread.CurrentThread.CurrentCulture 提供了很多其他信息，例如 KeyboardLayoutId ， DisplayName （本地化区域性名称）， EnglishName ， DateTimeFormat 等。

Thread.CurrentThread.CurrentCulture gives a lot of additional information like KeyboardLayoutId, DisplayName (localized culture name), EnglishName, DateTimeFormat and more.

我做了一些测试，发现一个奇怪的行为。我显示了Windows语言栏并选择了辅助输入语言。但是，每当我启动一个测试WinForms应用程序时，输入语言就会自动切换回默认语言。启动该应用程序后，我将输入语言切换回了第二语言。

I made some tests and noticed a strange behavior. I displayed the Windows language bar and selected a secondary input language. But whenever I started a little test-WinForms application, the input language automatically switched back to the default language. Once the application was started, I switched back the input language to the secondary one. Now it stayed to this one.

在两种情况下，这都为我提供了正确的输入语言（显示在语言栏上）：

In both cases this gave me the correct input language (the one displayed on the language bar):

lblInputLanguage.Text = InputLanguage.CurrentInputLanguage.Culture.Name;
lblKeyboardLayout.Text = InputLanguage.CurrentInputLanguage.LayoutName;

此有关超级用户的线程可能会阐明一些问题：如何避免在Windows上键盘布局自动更改

This thread on superuser might shed some light on the problem: How to avoid keyboard layout automatically changing on windows

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