private void fixBugToolStripMenuItem_Click(object sender, EventArgs e)
{
if (afb == null)
{
afb = new aboutFixbug();
afb.MdiParent = this;
afb.FormClosed += afb_FormClosed;
afb.Show();
}
else
{
afb.Activate();
}
}
void afb_FormClosed(object sender, FormClosedEventArgs e)
{
afb = null;
//throw new NotImplementedException();
}
