📄 unit12.pas
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unit Unit12;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm12 = class(TForm)
Label1: TLabel;
Edit1: TEdit;
Label2: TLabel;
Edit2: TEdit;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
b:boolean;
s1:string;
s2:string;
end;
var
Form12: TForm12;
implementation
{$R *.dfm}
procedure TForm12.Button1Click(Sender: TObject);
begin
if (trim(edit1.Text )<>'')and (trim(edit2.Text )<>'') then
begin
b:=true;
s1:=trim(edit1.Text );
s2:=trim(edit2.Text );
close;
end
else
begin
messagebox(self.Handle ,'不能为空!','提示',MB_OK or MB_ICONASTERISK);
edit1.text:='';
edit2.text:='';
edit1.SetFocus ;
end;
end;
procedure TForm12.Button2Click(Sender: TObject);
begin
begin
close;
end;
end;
end.
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