ITaskBarList3 OverlayIcon

[TiGü]

Ja, geht noch unter Windows 10.

Siehe Anhang.

Delphi-Quellcode:

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    btnOverlay: TButton;
    btnDeleteOverlay: TButton;
    procedure btnDeleteOverlayClick(Sender: TObject);
    procedure btnOverlayClick(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    FTaskBar: System.Win.Taskbar.TWinTaskbar;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.btnDeleteOverlayClick(Sender: TObject);
begin
  FTaskBar.SetOverlayIcon(0, '');
end;

procedure TForm1.btnOverlayClick(Sender: TObject);
var
  Icon: TIcon;
begin
  Icon := TIcon.Create;
  try
    Icon.LoadFromResourceName(HInstance, 'MAINICON');
  
    if Icon.Width >= 16 then
      FTaskBar.SetOverlayIcon(Icon.Handle, 'Beispiel');
  finally
    Icon.Free;
  end;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
  FTaskBar.Free;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  FTaskBar:= System.Win.Taskbar.TWinTaskbar.Create;
  FTaskBar.MainWindow := Self.Handle;
end;

end.