private bool IsUsingOnlyAnsiCharacters(string filePath, int tfsEncoding)
{
var utf8 = File.ReadAllText(filePath, Encoding.UTF8);
var cp1252 = File.ReadAllText(filePath, Encoding.GetEncoding(1252));
var tfs = File.ReadAllText(filePath, Encoding.GetEncoding(tfsEncoding));
if (utf8 == cp1252 && utf8 == tfs)
return true;
return false;
}
}