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DelphiÖ®Tchart¿Ø¼þʹÓÃÐĵÃ
    ×î½üÔÚѧϰdelphi£¬×öÒ»¸öÈí¼þÁ·ÊÖ£¬Óõ½Tchart¿Ø¼þ£¬ÓÐЩ´ÖÂÔµÄʹÓÃÐĵ㬹©delphi³õѧÕ߲ο¼¡£
    TChartÊÇdelphiÀïÃæÒ»¸ö±ê×¼µÄͼÐÎÏÔʾ¿Ø¼þ¡£Ëü¿ÉÒÔ¾²Ì¬Éè¼Æ£¨at design time£©Ò²¿ÉÒÔ¶¯Ì¬Éú³É¡£¿ÉÏÂÔØSteema TeeChart 7£¬Ã»ÓÐÔ´´úÂ룬ÄÜÓþͺã¡
    ÓÉÓÚÎÒÒªÔÚͬһ¸öChart½çÃæÏÔʾ²»Í¬µÄͼÐΣ¬ÐèÒª¶¯Ì¬±à³Ìʵʱ»æÖÆÇúÏß¡£
    Ò»¡¢Ìí¼ÓSeries֮ǰ£¬ÒªÉ¾³ýÒÑÓеÄSeries£¬Ö»ÄÜ´ÓºóÍùǰɾ£¬·ñÔò³ö´í£º 
for i:=Chart1.SeriesCount-1 downto 0  do                    
  begin
    Chart1.Series[i].Free;
  end;
¶þ¡¢ÔËÐÐʱºò´´½¨Ò»¸öSeries, ÓжàÖÖ·½·¨¡£
1£®Var MySeries : TBarSeries ;
   MySeries := TBarSeries.Create( Self );
   MySeries.ParentChart := Chart1 ;
     2£®Chart1.AddSeries( TBarSeries.Create( Self ) );
     3£®Var MyClass : TChartSeriesClass;
        MyClass := TBarSeries ;
        Chart1.AddSeries( MyClass.Create( Self ) );
ÔÚÕâÀï¸ù¾Ý£¬Óõ½Ñ­»·½á¹¹¶¯Ì¬Ìí¼Ó¶àÌõSeries¡£
  for j:=0 to  NXUGMU-1 do
    begin
      series:=TFastLineSeries.Create(Chart1); 
      Chart1.AddSeries(Series);       //¶¯Ì¬Ôö¼Óseries
      series.LinePen.Width:=2;         //É趨Ïß¿í
      Chart1.Series[j].Title:='ËÙ¶È '+StrVelocity[j];  //¶¯Ì¬±êÌâ
      randomize;
    end;
Èý¡¢ÔÚchartÖл­³öµÄÇúÏßij¸öµãÉϱê¼Ç³ö¸ÃµãµÄÖµ
    series.Marks.Visible:=True;
    Series.Marks.Style:=smsValue;
ËÄ¡¢¹Ì¶¨TChartÖеÄ×ø±ê£¬²»Ê¹TChartÖеÄ×ø±ê¸úËæSeriesµÄ±ä»¯¶ø±ä»¯
//ÉèÖ


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