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WinAPI: GetFocus - 获取当前拥有焦点的窗口的句柄//声明:GetFocus: HWND; {无参数; 返回当前拥有焦点窗口的句柄}
//举例:unit Unit1;
interface
uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls;
type TForm1 = class(TForm) Button1: TButton; Memo1: TMemo; Edit1: TEdit; Timer1: TTimer; procedure Timer1Timer(Sender: TObject); end;
var Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Timer1Timer(Sender: TObject);var h: HWND;begin h := GetFocus; Text := IntToStr(h);end;
end.
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