def ShowMessageDialog(self):
        # 创建消息对话框
        dlg = wx.MessageDialog(self, 
                                "This is a message dialog example.\nWould you like to proceed?", 
                                "Confirmation", 
                                wx.YES_NO | wx.CANCEL | wx.ICON_QUESTION)

        # 显示对话框并处理用户选择
        result = dlg.ShowModal()
        if result == wx.ID_YES:
            wx.MessageBox("You clicked Yes!", "Info")
        elif result == wx.ID_NO:
            wx.MessageBox("You clicked No!", "Info")
        elif result == wx.ID_CANCEL:
            wx.MessageBox("You clicked Cancel!", "Info")

        dlg.Destroy()  # 销毁对话框

    def on_show_dialog(self, event):
        # 创建 GenericMessageDialog
        dlg = GMD.GenericMessageDialog(self, 
                                       "This is a message.", 
                                       "Message Title",
                                       style=wx.OK | wx.CANCEL)

        # 设置图标（可选）
        dlg.SetYesNoCancelBitmaps(wx.ArtProvider.GetBitmap(wx.ART_INFORMATION, wx.ART_MESSAGE_BOX))

        # 显示对话框
        result = dlg.ShowModal()
        if result == wx.ID_OK:
            print("OK button clicked")
        elif result == wx.ID_CANCEL:
            print("Cancel button clicked")

        dlg.Destroy()

class MessageUtil:
    """
    封装了常用的消息对话框，以方便使用常用对话框消息。
    包括提示信息、警告信息、错误信息、确认信息、询问信息、输入信息、
    选择信息、多选信息、文件选择信息、目录选择信息、字体选择信息、颜色选择信息、进度条信息等。
    """

    @staticmethod
    def show_message(parent, message, caption, style):
        """显示消息对话框-使用GenericMessageDialog实现"""
        dlg = GMD.GenericMessageDialog(parent, message, caption, style)
        dlg.SetIcon(images.appIcon.GetIcon())  # 设置窗口图标

        result = dlg.ShowModal()
        dlg.Destroy()
        return result

    @staticmethod
    def show_message2(parent, message, caption, style):
        """显示消息对话框-使用wx.MessageDialog 实现"""
        dlg = wx.MessageDialog(parent, message, caption, style)

        result = dlg.ShowModal()
        dlg.Destroy()
        return result

    # 常用消息对话框的标题
    CAPTION_TIPS = "提示信息"
    CAPTION_WARNING = "警告信息"
    CAPTION_ERROR = "错误信息"
    CAPTION_CONFIRM = "确认信息"
    
    @staticmethod
    def show_tips(parent, message, caption=CAPTION_TIPS):
        """显示一般的提示信息"""
        return MessageUtil.show_message(
            parent, message, caption, wx.OK | wx.ICON_INFORMATION
        )
    @staticmethod
    def show_warning(parent, message, caption=CAPTION_WARNING):
        """显示警告信息"""
        return MessageUtil.show_message(
            parent, message, caption, wx.OK | wx.ICON_WARNING
        )

    @staticmethod
    def show_error(parent, message, caption=CAPTION_ERROR):
        """显示错误信息"""
        return MessageUtil.show_message(parent, message, caption, wx.OK | wx.ICON_ERROR)  

    @staticmethod
    def show_yes_no_tips(parent, message, caption=CAPTION_TIPS):
        """显示询问用户信息，并显示提示标志"""
        return MessageUtil.show_message(
            parent, message, caption, wx.YES_NO | wx.ICON_INFORMATION
        )

    @staticmethod
    def show_yes_no_warning(parent, message, caption=CAPTION_WARNING):
        """显示询问用户信息，并显示警告标志"""
        return MessageUtil.show_message(
            parent, message, caption, wx.YES_NO | wx.ICON_WARNING
        )

    @staticmethod
    def show_yes_no_error(parent, message, caption=CAPTION_ERROR):
        """显示询问用户信息，并显示错误标志"""
        return MessageUtil.show_message(
            parent, message, caption, wx.YES_NO | wx.ICON_ERROR
        )

    @staticmethod
    def show_input_dialog(parent, message, caption, default_value):
        """显示输入对话框"""
        dlg = wx.TextEntryDialog(parent, message, caption, default_value)
        result = dlg.ShowModal()
        if result == wx.ID_OK:
            return dlg.GetValue()
        else:
            return None

    @staticmethod
    def show_choice_dialog(parent, message, caption, choices):
        """显示选择对话框"""
        dlg = wx.SingleChoiceDialog(parent, message, caption, choices)
        result = dlg.ShowModal()
        if result == wx.ID_OK:
            return dlg.GetStringSelection()
        else:
            return None

    @staticmethod
    def show_multi_choice_dialog(parent, message, caption, choices):
        """显示多选对话框"""
        dlg = wx.MultiChoiceDialog(parent, message, caption, choices)
        result = dlg.ShowModal()
        if result == wx.ID_OK:
            return dlg.GetSelections()
        else:
            return None

MessageUtil.show_tips(None, "This is a test program.", "关于")