unit1.pas

来自「Delphi7应用编程150例附书源码.rar」· PAS 代码 · 共 34 行

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
    Edit1.Clear;
    SetWindowLong(Edit1.Handle, GWL_STYLE,
                  GetWindowLong(Edit1.Handle, GWL_STYLE) or ES_NUMBER);
end;

end.