TImage Doppelklick bei gesetzten OnClick Event

[hathor]

Ich habe hier was Schönes gefunden:
Es nennt sich TRIPLECLICK...
http://blog.unicornsoft.tk/2011/10/t...in-delphi.html

EXE und SOURCE sind im Anhang.

Delphi-Quellcode:

unit Unit2;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls, Vcl.StdCtrls;

type
  TForm2 = class(TForm)
    ListBox1: TListBox;
    TripleClickTimer: TTimer;
    Memo1: TMemo;
    procedure ListBox1DblClick(Sender: TObject);
    procedure ListBox1Click(Sender: TObject);
    procedure TripleClickTimerTimer(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private-Deklarationen }
        TripleClick : Boolean;
  public
    { Public-Deklarationen }
  end;

var
  Form2: TForm2;

implementation

{$R *.dfm}

procedure MM(s:string);  begin Form2.Memo1.Lines.Add(s); end;

procedure TForm2.FormCreate(Sender: TObject);
begin
Memo1.Lines.Add(' ListBox1Click: startet einen Timer');
Memo1.Lines.Add(' ListBox1DblClick: Auswertung');
end;

procedure TForm2.ListBox1Click(Sender: TObject);
begin
  TripleClick := TripleClickTimer.Enabled;
end;

procedure TForm2.ListBox1DblClick(Sender: TObject);
begin
  TripleClick := False;
  TripleClickTimer.Interval := GetDoubleClickTime();
  TripleClickTimer.Enabled := True;
  while TripleClickTimer.Enabled do
    begin
      Application.ProcessMessages;
    end;
  if TripleClick  then
    MM ('Triple click on item: ' + ListBox1.Items[ListBox1.ItemIndex])
  Else
    MM ('Double click on item: ' + ListBox1.Items[ListBox1.ItemIndex]);
end;

procedure TForm2.TripleClickTimerTimer(Sender: TObject);
begin
  TripleClickTimer.Enabled := False;
end;
end.