unit YearMonthSelect;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, BaseDialog, StdCtrls, ExtCtrls, Buttons;

type
  TfYearMonthSelect = class(TfBaseDialog)
    Bevel1: TBevel;
    Label1: TLabel;
    cobYear: TComboBox;
    Label2: TLabel;
    cobMonth: TComboBox;
    Label3: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  fYearMonthSelect: TfYearMonthSelect;

implementation

{$R *.dfm}

procedure TfYearMonthSelect.FormCreate(Sender: TObject);
var
  I,J:Integer;

begin
  inherited;
  I:=strToInt(formatdateTime('yyyy',Date()));
  I:=I-1;
  For J:=I to I+10 do
      cobYear.Items.Add(intTostr(J));
  cobYear.ItemIndex :=1;
  cobMonth.ItemIndex :=cobMonth.Items.IndexOf(formatdateTime('mm',date()));
end;

procedure TfYearMonthSelect.BitBtn1Click(Sender: TObject);
begin
  if cobYear.ItemIndex<0 then  begin
     application.MessageBox('叫匡拒