Delphi 之 标签组件(TLabel组件)

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    procedure FormCreate(Sender: TObject);
    procedure Label1MouseEnter(Sender: TObject);
    procedure Label1MouseLeave(Sender: TObject);
    procedure Label1Click(Sender: TObject);
    procedure Label2MouseEnter(Sender: TObject);
    procedure Label2MouseLeave(Sender: TObject);
    procedure Label2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  Label1.Alignment:= taCenter;


end;

procedure TForm1.Label1MouseEnter(Sender: TObject);
begin
  (sender as TLabel).Font.Style:= [fsUnderline];
end;

procedure TForm1.Label1MouseLeave(Sender: TObject);
begin
  (Sender as TLabel).Font.Style:=[];
end;

procedure TForm1.Label1Click(Sender: TObject);
begin
  if(Sender as TLabel).Name = ‘Label1‘ then
    Edit1.SetFocus
  else
    Edit2.SetFocus;
end;

procedure TForm1.Label2MouseEnter(Sender: TObject);
begin
  (Sender as TLabel).Font.Style:=[fsUnderline];
end;

procedure TForm1.Label2MouseLeave(Sender: TObject);
begin
  (Sender as TLabel).Font.Style:=[];
end;

procedure TForm1.Label2Click(Sender: TObject);
begin
  if(Sender as TLabel).Name = ‘Label2‘ then
    Edit2.SetFocus
  else
    Edit1.SetFocus;

end;

end.