/// <summary>
/// 生成自定义异常消息
/// </summary>
/// <param name="ex">异常对象</param>
/// <returns>异常字符串文本</returns>
private static void ExceptionHandler(Exception ex)
{
string error = ErrorWrapper.GetExceptionDesc(ex);
ErrorWrapper errorWrapper = ErrorWrapper.Instance;
errorWrapper.AppendError(error);
errorWrapper.ShowDialog();
}