ugcsdraw.pas

delphi编程控件

unit ugcsdraw;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  adbgrid, ExtCtrls, DBCtrls, StdCtrls, Buttons;

type
  TFAGridCustomDraw = class(TForm)
    Panel1: TPanel;
    AutoDBGrid1: TAutoDBGrid;
    DBNavigator1: TDBNavigator;
    BitBtn1: TBitBtn;
    Label1: TLabel;
    procedure AutoDBGrid1CustomDraw(Sender: TObject; ACanvas: TCanvas;
      AColumn: TAutoGridColumn; ARect: TRect; AFont: TFont;
      AIsSelected: Boolean; var AColor: TColor; CustomDraw: Boolean);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FAGridCustomDraw: TFAGridCustomDraw;

implementation

uses udm;

{$R *.DFM}

procedure TFAGridCustomDraw.AutoDBGrid1CustomDraw(Sender: TObject;
  ACanvas: TCanvas; AColumn: TAutoGridColumn; ARect: TRect; AFont: TFont;
  AIsSelected: Boolean; var AColor: TColor; CustomDraw: Boolean);
Var
  APopulation : Integer;
begin
  if AIsSelected then exit;
  APopulation := DM.ATCountry.FindField('population').AsInteger;
  if(APopulation > 10000000) then begin
    AColor := clYellow;
    AFont.Color := clBlue;
    AFont.Style := [fsBold];
  end;
end;

procedure TFAGridCustomDraw.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
  Action := caFree;
  FAGridCustomDraw := Nil;
end;

end.