[amibroker] Programatically change parameters settings

[kar_avi]

Is it possible to change parameters settings through AFL and refresh
the chart once.

for example

ParamToggle("Plot Initial SL?" , "No|Yes",0);

Now considering this input as "Yes", it can plot Initial SL at entry
price. Now after breakeven, can it change the parameter to "No" and
refresh the chart to remove the initial SL and plot a Trailing SL or
other things that are required?

Thanks
Kar