static void deleteOldBackUps_NOTUSED_DEMO_ONLY()
{
return;
#if DEBUG
var keepCnt = 64;
#else
int keepCnt = 32;
#endif
#if ISO
var dir = IsoHelper.GetIsoFolder();
#else
var dir = Path.GetDirectoryName(MainVmJsonFile);
#endif
var all = new DirectoryInfo(dir).GetFiles($@"{typeof(MainVM).Name}.{DateTime.Now:yy.}*{_ext}");
var ttl = all.Count();
if (ttl <= keepCnt)
{
return;
}
var del = all.OrderBy(r => r.LastWriteTime).Take(ttl - keepCnt);
Debug.WriteLine($@">>Deleting: {dir} {typeof(MainVM).Name}.{DateTime.Now:yy.}*{_ext} { del.Count()} / {all.Count()}");
foreach (var f in del)
{
Debug.WriteLine($">>Deleting: {f}"); f.Delete();
}
}
void onF7(object o)
{
Process.Start("Explorer.exe", IsoHelper.GetIsoFolder());
}