A simple tool and sample to change Estonian currency from Estonian Krone (kr) to Euro (€).
Applies to all versions of .NET, although by default is compiled with .NET 2.0 better support Windows XP and Windows Server 2003.
The sample creates a custom locale in the system using .NET Globalization which replaces the existing Estonian locale.
It also updates all users that have Estonian locale (et-EE) using Registry API.
Tool must be run as admin and has been compile to enforce it.
Although the sample is Estonia based, its a few minute effort to make it work with nay locale.