afdate.pas

来自「delphi编程控件」· PAS 代码 · 共 56 行

unit afdate;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  afilter, StdCtrls, Mask, ADateCtl, filtcomp, adbgrid, ExtCtrls, Buttons;

type
  TFADateFilter = class(TForm)
    Panel1: TPanel;
    AutoDBGrid1: TAutoDBGrid;
    DateFilter1: TDateFilter;
    FilterLink1: TFilterLink;
    FilterLink2: TFilterLink;
    BitBtn1: TBitBtn;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure FormDestroy(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FADateFilter: TFADateFilter;

implementation

uses udm;

{$R *.DFM}

procedure TFADateFilter.FormCreate(Sender: TObject);
begin
  DM.ATEvents.Filter := 'event_date >= &dateb and event_date <= &datee';
  DateFilter1.BeginDate := DateFilter1.BeginDate - 1000;
end;

procedure TFADateFilter.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
  Action := caFree;
  FADateFilter := Nil;
  DM.ATEvents.Filter := '';
end;

procedure TFADateFilter.FormDestroy(Sender: TObject);
begin
  if Not (csDestroying in DM.ComponentState) then
    DM.ATEvents.Filter := '';
end;

end.