Надпись на лэйбле labelOhrPrc меняется на "ВЫКЛ" в соответствии с else, а звук alert продолжает играть

System.IO.Stream alert = assembly.GetManifestResourceStream(@"The_Guard_dog.vskrtie.wav");
System.IO.Stream tempalert = assembly.GetManifestResourceStream(@"The_Guard_dog.tempAlert.wav");
 
if ((ohrPrc == "0") & (checkBoxOhrPrc.Checked == true)) //охрана ПРЦ
{
labelOhrPrc.ForeColor = System.Drawing.Color.Green;
labelOhrPrc.Text = "НОРМА";
}
 
 
else if ((checkBoxOhrPrc.Checked == true) & (ohrPrc == "1"))
{
labelOhrPrc.ForeColor = System.Drawing.Color.Red;
labelOhrPrc.Text = "ВСКРЫТИЕ";
SoundPlayer player = new SoundPlayer(alert);
player.Play();
 
}
else
{
labelOhrPrc.ForeColor = System.Drawing.Color.Red;
labelOhrPrc.Text = "ВЫКЛ";

if ((Predeli.minPrc< intprc) & (intprc< Predeli.maxPrc) & (checkBoxTempPrc.Checked == true)) // слежение за temp ПРЦ
{
textboxTempPRC.ForeColor = System.Drawing.Color.Green;
}
else if (((Predeli.minPrc >= intprc) | (intprc >= Predeli.maxPrc)) & (checkBoxTempPrc.Checked == true))
{
textboxTempPRC.ForeColor = System.Drawing.Color.Red;
SoundPlayer player = new SoundPlayer(tempalert);
player.Play();
 
}
else
{
textboxTempPRC.ForeColor = System.Drawing.Color.Red;
}

{
     labelOhrPrc.ForeColor = System.Drawing.Color.Red;
     labelOhrPrc.Text = "ВЫКЛ";
     SoundPlayer player = new SoundPlayer(alert);
     player.Stop();
 
 }