private void 导出消息接收记录调试用ToolStripMenuItem_Click(object sender, EventArgs e)
{
SaveFileDialog exportAllReceived = new SaveFileDialog();
exportAllReceived.Filter = "txt files (*.txt)|*.txt";
exportAllReceived.FilterIndex = 1;
exportAllReceived.RestoreDirectory = true;
if (exportAllReceived.ShowDialog() == DialogResult.OK)
{
File.WriteAllText(exportAllReceived.FileName, TextEncrypt(AllReceived, SecretKey), Encoding.UTF8);
}
}