private string ValInfoTypeToString( ValidationInfo.ValInfoType vt )
{
switch( vt ) {
case ValidationInfo.ValInfoType.AppError: return "A";
case ValidationInfo.ValInfoType.Error: return "E";
case ValidationInfo.ValInfoType.Warning: return "W";
case ValidationInfo.ValInfoType.Pass: return "P";
case ValidationInfo.ValInfoType.Info: return "I";
default: return "?";
}
}