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Pascal/Delphi Source File  |  2001-09-10  |  1.9 KB  |  83 lines
  1. unit PrintPreview_Multi;
  2.  
  3. interface
  4.  
  5. uses
  6.   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  7.   Base, TeePreviewPanel, ExtCtrls, TeeProcs, TeEngine, Chart, StdCtrls,
  8.   Series;
  9.  
  10. type
  11.   TPrintPreviewMulti = class(TBaseForm)
  12.     TeePreviewPanel1: TTeePreviewPanel;
  13.     Panel2: TPanel;
  14.     FirstChart: TChart;
  15.     SecondChart: TChart;
  16.     Series1: TLineSeries;
  17.     Series2: TPointSeries;
  18.     CheckBox1: TCheckBox;
  19.     CheckBox2: TCheckBox;
  20.     Label1: TLabel;
  21.     ComboBox1: TComboBox;
  22.     procedure FormCreate(Sender: TObject);
  23.     procedure CheckBox1Click(Sender: TObject);
  24.     procedure ComboBox1Change(Sender: TObject);
  25.     procedure FormShow(Sender: TObject);
  26.   private
  27.     { Private declarations }
  28.   public
  29.     { Public declarations }
  30.   end;
  31.  
  32. implementation
  33.  
  34. {$R *.DFM}
  35.  
  36. procedure TPrintPreviewMulti.FormCreate(Sender: TObject);
  37. begin
  38.   inherited;
  39.   Series1.FillSampleValues(8);
  40.   Series2.FillSampleValues(8);
  41.  
  42.   { change margins }
  43.   FirstChart.PrintProportional:=False;
  44.   SecondChart.PrintProportional:=False;
  45.  
  46.   FirstChart.PrintMargins:=Rect(2,2,60,60);
  47.   SecondChart.PrintMargins:=Rect(60,60,2,2);
  48.  
  49.   { add to preview }
  50.   TeePreviewPanel1.Panels.Add(FirstChart);
  51.   TeePreviewPanel1.Panels.Add(SecondChart);
  52.  
  53. end;
  54.  
  55. procedure TPrintPreviewMulti.CheckBox1Click(Sender: TObject);
  56. begin
  57.   With TeePreviewPanel1 do
  58.   begin
  59.     Panels.Clear;
  60.     if CheckBox1.Checked then Panels.Add(FirstChart);
  61.     if CheckBox2.Checked then Panels.Add(SecondChart);
  62.     Repaint;
  63.   end;
  64. end;
  65.  
  66. procedure TPrintPreviewMulti.ComboBox1Change(Sender: TObject);
  67. begin
  68.   if ComboBox1.ItemIndex=0 then
  69.      TeePreviewPanel1.Orientation:=ppoLandscape
  70.   else
  71.      TeePreviewPanel1.Orientation:=ppoPortrait;
  72. end;
  73.  
  74. procedure TPrintPreviewMulti.FormShow(Sender: TObject);
  75. begin
  76.   inherited;
  77.   ComboBox1.ItemIndex:=0;
  78. end;
  79.  
  80. initialization
  81.   RegisterClass(TPrintPreviewMulti);
  82. end.
  83.