public bool IsValidFileName(string fileName)
{
IExtensionManager mgr = new FileExtensionManager();
return(mgr.IsValid(fileName) && Path.GetFileNameWithoutExtension(fileName).Length > 5);
}
protected virtual bool IsValid(string fileName)
{
FileExtensionManager mgr = new FileExtensionManager();
return(mgr.IsValid(fileName));
}
