The member “CurrentCulture” is not recognized or is not accessible

Question

I have a Window with the following namespace

xmlns:sysglb=\"clr-namespace:System.Globalization;assembly=mscorlib\"

that contains a textbox

Answer 1

found similar suggestion in this topic: WPF StringFormat={0:C} showing as dollars

my application was working when I launched it and diplayed values with correct culture formatting, but designer could not find CultureInfo.CurrentUICulture and crashed

I used static property in helper class

public static class WpfHelpers
{
    public static CultureInfo CurrentCulture { get; set; }
}

and used it in bindings: ConverterCulture={x:Static helpers:WpfHelpers.CurrentCulture}

I set that property on Application startup

WpfHelpers.CurrentCulture =
Thread.CurrentThread.CurrentCulture =
Thread.CurrentThread.CurrentUICulture = new CultureInfo ...