Reference TDrawPanel

  TDrawPanel = class(TSurfaceCustomControl)
  protected
    procedure Draw; override;
  public
    { Create a new draw panel }
    constructor Create(AOwner: TComponent); override;
  published
    property OnDraw;
    property Align;
    property Anchors;
    property BorderSpacing;
    property Constraints;
    property DragCursor;
    property DragMode;
    property Enabled;
    property ParentShowHint;
    property PopupMenu;
    property ShowHint;
    property TabStop;
    property Visible;
    property OnChangeBounds;
    property OnClick;
    property OnDblClick;
    property OnDragDrop;
    property OnDragOver;
    property OnEndDrag;
    property OnEnter;
    property OnExit;
    property OnMouseDown;
    property OnMouseEnter;
    property OnMouseLeave;
    property OnMouseMove;
    property OnMouseUp;
    property OnMouseWheel;
    property OnMouseWheelDown;
    property OnMouseWheelUp;
    property OnResize;
    property OnStartDrag;
  end;