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I want to use the PARAM function to interactively change a common
lookback period for 2 different indicators that appear in 2 different
panes. For simplicity, lets say I want an RSI plot in 2 different
panes. With the code below, I can change the lookback period for the
first plot by right clicking in the pane and using the slider.
periods = Param("periods", 10,1,25,1);
StaticVarSet("periods",periods);
Plot(RSI(periods), "RSI", colorRed);
With the following code for the second plot, the lookback period in
the second plot will change to that of the first plot, but only if I
manually Refresh (using the toolbar icon or menu or keyboard
shortcut).
periods = StaticVarGet("periods");
Plot( RSI(periods), "RSI", colorBlue);
I have been informed that, by adding the following code to the second
plot, I will not have to manually Refresh.
oAB = CreateObject("Broker.Application");
oAB.RefreshAll();
When I add this to the code of the second plot, I get an automatic
Refresh alright, but it is constant and nonstop. It is nearly
impossible to do anything else in Amibroker (the "Filling Symbol
Tree ... please wait" message is continually displayed for each
Refresh).
I hope there is way to have the Refresh triggered only one time when
the slider is moved to a new value, or at least to set the frequency
of the Refresh.
Help appreciated,
Tim Gadd
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