private void FlipView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
switch (FLPVW.SelectedIndex)
{
case 0:
{
T2.lead();
KW1.quitLead1();
} break;
case 1:
{
T2.quitLead();
KW1.lead1();
} break;
case 2:
{
T2.quitLead();
KW1.quitLead1();
KW2.lead2();
} break;
default:
break;
}
}