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Hello Eric,
The following few lines, taking from my program, may give you a good
start, particularly if you use 3 min charts. This code use the same
trendline, but update it with new information.
-- Harrison
www.HarrisonProgramming.com
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Vars: TL_ID1(-1), TL_LastUpdateTime(0);
Vars: StartDate(0), StartTime(0), StartPrice(0), EndDate(0), EndTime(0),
EndPrice(0) ;
If (LastBarOnChart and Time <> TL_LastUpdateTime ) then begin
{ Define StartDate, StartTime, StartPrice, EndDate, EndTime, EndPrice here }
{Draw two horizontal lines around prior 5 bars, and extend to current bar}
If (TL_ID1 = -1) then begin
TL_ID1 = TL_New(StartDate, StartTime, StartPrice, EndDate, EndTime,
EndPrice);
end
else begin
Value1 = TL_SetBegin(TL_ID1, StartDate, StartTime, StartPrice);
Value2 = TL_SetEnd(TL_ID1, EndDate, EndTime, EndPrice);
End;
TL_LastUpdateTime = Time;
End;
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ericzhou wrote:
>Hi List,
>
>Need some help on coding:
>
>Draw a new TL every three mintues and delele the old TL.
>
>Appreciate any help.
>
>Eric
>
>
>
>
>
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