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Pascal/Delphi Source File  |  2001-09-10  |  1.7 KB  |  76 lines

  1. unit Tools_Nearest;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   Base, TeEngine, Series, TeeTools, ExtCtrls, TeeProcs, Chart, StdCtrls;
  8.  
  9. type
  10.   TNearestToolDemo = class(TBaseForm)
  11.     Series1: TPointSeries;
  12.     Label1: TLabel;
  13.     ComboBox1: TComboBox;
  14.     CheckBox1: TCheckBox;
  15.     CheckBox2: TCheckBox;
  16.     Button1: TButton;
  17.     ChartTool1: TNearestTool;
  18.     procedure FormCreate(Sender: TObject);
  19.     procedure CheckBox1Click(Sender: TObject);
  20.     procedure ComboBox1Change(Sender: TObject);
  21.     procedure CheckBox2Click(Sender: TObject);
  22.     procedure Button1Click(Sender: TObject);
  23.     procedure FormShow(Sender: TObject);
  24.   private
  25.     { Private declarations }
  26.   public
  27.     { Public declarations }
  28.   end;
  29.  
  30. implementation
  31.  
  32. {$R *.DFM}
  33.  
  34. Uses EditChar;
  35.  
  36. procedure TNearestToolDemo.FormCreate(Sender: TObject);
  37. begin
  38.   inherited;
  39.   Series1.FillSampleValues(6);
  40. end;
  41.  
  42. procedure TNearestToolDemo.CheckBox1Click(Sender: TObject);
  43. begin
  44.   ChartTool1.Active:=CheckBox1.Checked
  45. end;
  46.  
  47. procedure TNearestToolDemo.ComboBox1Change(Sender: TObject);
  48. begin
  49.   Case ComboBox1.ItemIndex of
  50.     0: ChartTool1.Style:=hsNone;
  51.     1: ChartTool1.Style:=hsCircle;
  52.     2: ChartTool1.Style:=hsRectangle;
  53.     3: ChartTool1.Style:=hsDiamond;
  54.   end;
  55. end;
  56.  
  57. procedure TNearestToolDemo.CheckBox2Click(Sender: TObject);
  58. begin
  59.   ChartTool1.DrawLine:=CheckBox2.Checked
  60. end;
  61.  
  62. procedure TNearestToolDemo.Button1Click(Sender: TObject);
  63. begin
  64.   EditChartTool(Self,ChartTool1)
  65. end;
  66.  
  67. procedure TNearestToolDemo.FormShow(Sender: TObject);
  68. begin
  69.   inherited;
  70.   ComboBox1.ItemIndex:=1;
  71. end;
  72.  
  73. initialization
  74.   RegisterClass(TNearestToolDemo);
  75. end.
  76.