Get user culture, not thread culture

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When my application starts, it sets its own culture to CultureInfo.InvariantCulture but in some places, I want to use localized number formatting according to what the user has set in Windows. How can I do this? System.Globalization.CultureInfo.CurrentCulture only returns the thread's culture which is no longer the user's default.

I'm hoping for a more elegant way than storing the thread's default culture before changing it or creating a new thread just to read the culture out of it.

Maybe there's a built-in .Net wrapper for the Windows function GetUserDefaultLocaleName?

vb.net winforms .net c#
1 Answers

System.Globalization.CultureInfo has an internal property named UserDefaultCulture which is the equivalence of the Win32 GetUserDefaultLCID() as commented in .NET Source code:

//
// This is the equivalence of the Win32 GetUserDefaultLCID()
//
internal static CultureInfo UserDefaultCulture

So you can use it to get user default culture this way:

var property = typeof(System.Globalization.CultureInfo).GetProperty("UserDefaultCulture",
    System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic);
var culture = (System.Globalization.CultureInfo)property.GetValue(null);

Also as another option, you can create a new thread and use its CurrentCulture property:

var culture = new System.Threading.Thread(() => { }).CurrentCulture;
user_31108340
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