C#文件加密方法汇总

                thread.Start();
            }
        }
        #endregion

        #region 解密文件
        private void btnDecrypt_Click(object sender, EventArgs e)
        {
            #region 验证
            if (txtPwd.Text == "")
            {
                MessageBox.Show("密码不能为空", "提示");
                return;
            }
            #endregion

            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                Thread thread = new Thread(new ParameterizedThreadStart(delegate(object obj)
                {
                    try
                    {
                        InvokeDelegate invokeDelegate = delegate()
                        {
                            pbFile.Value = 0;
                            lblProgressFile.Text = "0%";
                            pbDir.Visible = false;
                            lblProgressDir.Visible = false;