[amibroker] Strange behavior while displaying externally stored data...

["jtelang" <jtelang@xxxxxxxxx>]

TJ,

I'm using a ABTool-managed, externally stored table to store some 
calculated data for each symbol. When I try to display a value in the 
column from an indicator, I see a rather strange behavior. Say my 
indicator is something like following pseudo-code -

----------

handle = LoadTableAndGetHandle();
col = GetWhichColToDisplay();
val = 0; // Value to display

for( i = 0; i < BarCount; i++ ) {
  val = GetValFromTable(handle, i, col); // i being the row
}

-----------

When I first time insert this indicator, a plot gets created with 
values shown. However as soon as I click somewhere else in the chart, 
all values displayed drop to zero (may be because I initialized it to 
zero?). Then onwards, if I click "Edit Formula" again and hit Apply, 
the values flash on the chart for a fraction of a second, and then 
disappear.

I'm not sure if this is ABTool problem (I've posted a question on 
their list to figure out what the best way to display the values is), 
but what could cause the chart to behave this way? I've tried a 
number of things, such as defining handle as "handle[0]" to see if it 
loads the file only once, or just loading it inside the loop only 
when "i == 0" and then reusing the handle value, etc, but to no avail.

Any ideas?

TIA,

Jitu



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