private void chkActive_CheckedChanged(object sender, EventArgs e)
{
CheckBox Chk = (CheckBox)sender;
TabPage Page = null;
if (Chk == chkActive1) Page = WeaponAttack1;
if (Chk == chkActive2) Page = WeaponAttack2;
if (Chk == chkActive3) Page = WeaponAttack3;
foreach (Control Ctrl in Page.Controls)
{
if (Ctrl == sender)
continue;
Ctrl.Visible = Chk.Checked;
}
}