unit oefenopdr;

interface

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

type
  TmainForm = class(TForm)
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure TrayMessage(var Msg:TMessage);
  private
     icon1 : TIcon;
     trayicondata: TNotifyIconData;
    { Private declarations }
  public
    { Public declarations }
  end;

  const wm_icontray = wm_user + 1;

var
  mainForm: TmainForm;

implementation

{$R *.dfm}



procedure TmainForm.FormCreate(Sender: TObject);
begin
 with trayIconData do
  begin
    cbSize := SizeOf(trayicondata);
    Wnd := classes.AllocateHWnd(TrayMessage);
    uID := 0;
    uFlags := NIF_MESSAGE + NIF_ICON + NIF_TIP;
    uCallbackMessage := WM_ICONTRAY;
    StrPCopy(szTip, Application.Title);
    szTip := 'Een eenvoudige system tray applicatie';
    Application.ShowMainForm := false;
  end;
  icon1:=Ticon.Create;
  icon1.LoadFromFile('C:\Program Files\Stardock\Object Desktop\WindowBlinds\url\ip.ico');
  TrayIconData.hIcon := icon1.Handle;
  Shell_NotifyIcon(NIM_MODIFY, @TrayIconData);
end;

procedure TmainForm.FormDestroy(Sender: TObject);
begin
 Shell_NotifyIcon(NIM_DELETE, @TrayIconData);
end;

procedure TmainForm.TrayMessage(var Msg:TMessage);
begin
  case Msg.LParam of
  WM_LBUTTONDOWN:
  begin
    showMessage('Linker muisknop ingedrukt: let"s show the Form!');
    MainForm.Show;
  end;
  WM_RBUTTONDOWN:
  begin
    Showmessage('Rechter muisknop ingedrukt: let"s hide the form!');
    MainForm.Hide;
  end;
  end;
end;

end.