#    This is the channel Pre Gate Size register  0x1n5c



    for {set i 0} {$i < $NumChans} {incr i} {
        variable Ch$i.PreGate 0
    }

proc GetPreGate {} {
   variable NumChans

    for {set i 0} {$i < $NumChans} {incr i} {
        variable Ch$i.PreGate
        set Ch$i.PreGate [ReadRegister Ch$i.PreGate]
    }
}

proc SetPreGate {w} {
   variable NumChans

      for {set i 0} {$i < $NumChans} {incr i} {

         if {$w < $NumChans && $w != $i} {continue}

         variable Ch$i.PreGate
         WriteRegister Ch$i.PreGate [set Ch$i.PreGate]
      }

}

    proc SavePreGate {} {
   variable NumChans

      for {set i 0} {$i < $NumChans} {incr i} {

           DBSetValue Ch$i.PreGate [ReadRegister Ch$i.PreGate]
      }
    }

    proc RestPreGate {} {
   variable NumChans

      for {set i 0} {$i < $NumChans} {incr i} {

           variable Ch$i.PreGate
           set Ch$i.PreGate  [DBGetValue Ch$i.PreGate]
           WriteRegister Ch$i.PreGate [set Ch$i.PreGate]
      }

    }

proc DrawPreGate {} {
   variable NumChans
   variable Name

   set html ""

   append html  "<p align=center>"
   append html  "<table cellpadding=0 cellspacing=0 border=1>"

   append html "<tr>"
   append html  "<td  align=center width=10%>Channel</td>"
   append html  "<td  align=center width=90%>Channel n Pre Gate Size (samples)</td>"
   append html  "</tr>"

for {set i 0} {$i < $NumChans} {incr i} {

   append html "<tr>"
   append html "<td align=center width=10%>$i</td>"
   append html "<td align=center width=90%><div id=\"Offset$i\"></div>&nbsp;</td>"
   append html  "</tr>"
}
   append html  "</table>"

   append html "<script>"

   append html "SliderID('PreGate');"

for {set i 0} {$i < $NumChans} {incr i} {
   append html "SelectSlider($i); SetSlider(0,256,25,120);"
   append html "MakeSlider(document.[set Name], $i, [set ::[set Name]::Ch$i.PreGate]);"
}

   append html "</script>"

   append html  "</p>"

   return $html
}