void ClearEggEventFlagToolStripMenuItemClick(object sender, EventArgs e)
{
sav3file.clear_EggEvent_Flag();
MessageBox.Show("Egg Event flag cleared.");
FileIO.save_data(sav3file.Data, savfilter);
clearEggEventFlagToolStripMenuItem.Enabled = sav3file.has_EggEvent_Flag();
}