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Encoding:
Pascal/Delphi Source File  |  2001-09-10  |  977 b   |  45 lines
  1. unit DBChart_Speed;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   Base_DBChart, StdCtrls, TeEngine, Series, Db, DBTables, TeeProcs, Chart,
  8.   DBChart, ExtCtrls;
  9.  
  10. type
  11.   TDBChartSpeed = class(TBaseDBChart)
  12.     Table1: TTable;
  13.     Series1: TBarSeries;
  14.     CheckBox1: TCheckBox;
  15.     Label1: TLabel;
  16.     procedure CheckBox1Click(Sender: TObject);
  17.     procedure FormShow(Sender: TObject);
  18.   private
  19.     { Private declarations }
  20.   public
  21.     { Public declarations }
  22.   end;
  23.  
  24. implementation
  25.  
  26. {$R *.DFM}
  27.  
  28. procedure TDBChartSpeed.CheckBox1Click(Sender: TObject);
  29. begin
  30.   Table1.Active:=CheckBox1.Checked;
  31.   Label1.Visible:=CheckBox1.Checked;
  32.   if Table1.Active then
  33.      Label1.Caption:='Processed records: '+IntToStr(Table1.RecordCount);
  34. end;
  35.  
  36. procedure TDBChartSpeed.FormShow(Sender: TObject);
  37. begin
  38.   inherited;
  39.   CheckTable(Table1);
  40. end;
  41.  
  42. initialization
  43.   RegisterClass(TDBChartSpeed);
  44. end.
  45.