How to access the control chart variables

[#1]

Hi, I am trying to set the scale of the control chart to 0 whenever the LCL is lower then 0, does somebody knows how to do it?, I don’t know how to get the LCL from the report.
Thank a lot, Pniel

for(i=2, i<=ncol(tras), i++,
vcontrol=vListBox(
rrrr=Control Chart(
Sample Label( :Date ),
Group Size( 1 ),
KSigma( 3 ),
Chart Col( column(i), Individual Measurement )
);
//report(rrrr)[axisbox(1)]<//report(rrrr)[axisbox(1)]<);
vl<);
newFit = NewWindow(ControlChartMsg,vl);

[#2]

sory this is the code in order to change the scale to 0 i need the LCL

vcontrol=vListBox(
rrrr=Control Chart(
Sample Label( :Date ),
Group Size( 1 ),
KSigma( 3 ),
Chart Col( column(i), Individual Measurement ));

//report(rrrr)[axisbox(1)]<//report(rrrr)[axisbox(1)]<);
vl<

[#3]

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[#4]

tanks man this is the code