sendnotifymessageu.pas

来自「Delphi Win32核心API参考光盘源码 本书包含了常用的Windows」· PAS 代码 · 共 37 行

unit SendNotifyMessageU;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
  {send a message. this function will return immediately}
  SendNotifyMessage(HWND_BROADCAST, WM_CLEAR, 0, 0);

  {indicate that the function has returned}
  ShowMessage('Returned');
end;


end.