unit2.~pas

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unit Unit2;

interface

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

type
  TForm2 = class(TForm)
    Panel1: TPanel;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    Label1: TLabel;
    Label2: TLabel;
    SpinEdit1: TSpinEdit;
    SpinEdit2: TSpinEdit;
    Label3: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    SaveDialog1: TSaveDialog;
    procedure Button1Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;

implementation

{$R *.dfm}

procedure TForm2.Button1Click(Sender: TObject);
begin
  if SaveDialog1.Execute then
    Edit1.Text := SaveDialog1.FileName;
end;

procedure TForm2.BitBtn1Click(Sender: TObject);
begin
  if Edit1.Text = '' then
  begin
    showmessage('文件名为空！');
    Edit1.Text:='C:\Map1.map';
  end;
end;

end.