private void btn_chooseWorld_Click(object sender, EventArgs e)
{
var ofd = new OpenFileDialog();
ofd.DefaultExt = ".sav";
ofd.Filter = "Gnomoria Save Games (.sav)|*.sav";
ofd.InitialDirectory = dir;
if (ofd.ShowDialog(this) == System.Windows.Forms.DialogResult.OK)
{
FileSelected.TryRaise(this, ofd.FileName, TreatAll, AprilFool);
}
}