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

Changing the project target framework to .NET Framework 4.6 or higher solves the issue.

Go to solution explorer and right-click on the affected Project -> Properties -> Application -> Target framework.