Arabic ComboBox

This is code for Arabic ComboBox component you can change the "TComboBox" class to dervie new components as follow:

• "TEdit" for Edit box.
• "TListBox" for List Box.
• "TMemo" for Memo.

unit arab;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ExtCtrls,stdctrls;

type
  TACombo = class (TComboBox)
  private
    { Private declarations }
    procedure CreateParams(var Params: TCreateParams); override;
  end;


implementation

procedure TACombo.CreateParams(var Params: TCreateParams);
begin
  inherited CreateParams(Params);       { call the inherited first }
  with Params do
    ExStyle := ExStyle or WS_EX_RTLREADING or WS_EX_RIGHT;
end;

end.