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Use "AddColumn" with the "formatChar" specifier:
AddColumn(IIf(Buy, 66, IIf(Sell, 83, 45)), "Sig", formatChar, etc...);
Those numbers are the ASCII character codes in decimal for the letters
"B", "S", and "-" respectively. For a complete list, see here:
http://www.asciitable.com
Regards,
GP
--- In amibroker@xxxxxxxxxxxxxxx, "Buzz M. Ross" <buzzmr@xxx> wrote:
>
> If possible, I'd like to display different string characters in a
> column using AddTextColumn based upon some 'source' array values at
> particular bar index values. In essence, the kind of algorithmic
> code I'd like to implement follows. However, in attempting to do
> this, I get an AFL error 8 'type mismatch' verify message in the
> formula editor for the 'sig[i]' elements shown below.
>
> Is there any way 'conditional' text strings can be displayed in
> columns for any version of AB using AFL? I'm currently using version
> 4.74, which other than this particular problem, is good enough for
> most of my AB needs.
>
> Here's the intended algoritm:
> ----------------------------------------------------------
>
> Buy = .....; // generate 'Buy' array signals
> Sell = .....; // generate 'Sell' array signals
> Sell = Exrem(Sell,Buy); /* get rid of successive sell signals till
> next 'Buy' sig */
>
>
> /* Now, I want to create an array of text characters that correspond
> to the Buy and Sell signals that can be displayed in a text column */
>
> for( i = 0; i < BarCount; i++ )
> {
> sig[i] = "-"; // no signal present
> if( Buy[i] ) sig[i] = "B"; // Buy sig present
> if{ Sell[i] ) sig[i] = "S"; // Sell sig present
> }
>
> Filter = 1;
>
> AddTextColumn(sig,"Sig",2.3,colorYellow,IIf(Buy,colorDarkGreen,IIF
> (Sell,colorRed,colorBlack))); // colorize text cell appropriately
>
> ---------------------------------------
>
>
> I'd appreciate info on whether or not this is actually doable in AB,
> and if so, how to fix code above to work OR if this requires a more
> recent version of AB.
>
> Thanks!!
>
> Buzz
>
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