这个是效果图，挺爽的吧

object Form1: TForm1
  Left = 192
  Top = 114
  Width = 979
  Height = 563
  Caption = 'Form1'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  PixelsPerInch = 96
  TextHeight = 13
  object RzButtonEdit1: TRzButtonEdit
    Left = 176
    Top = 104
    Width = 433
    Height = 21
    ImeName = '中文 (简体) - 搜狗拼音输入法'
    TabOrder = 0
    AltBtnKind = bkReject
    AltBtnVisible = True
    OnAltBtnClick = RzButtonEdit1AltBtnClick
    OnButtonClick = RzButtonEdit1ButtonClick
  end
end

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Mask, RzEdit, RzBtnEdt;

type
  TForm1 = class(TForm)
    RzButtonEdit1: TRzButtonEdit;
    procedure RzButtonEdit1AltBtnClick(Sender: TObject);
    procedure RzButtonEdit1ButtonClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.RzButtonEdit1AltBtnClick(Sender: TObject);
begin
  ShowMessage('我是ALT');
end;

procedure TForm1.RzButtonEdit1ButtonClick(Sender: TObject);
begin
  ShowMessage('我是BTN');
end;

end.