定时截图且定时发送（Timing screenshots and sending them regularly）

专家或指标主要功能：

1、该指标截取活动终端图表的屏幕截图；

2、设定时间间隔（如每隔15分钟或30分钟或240分钟等）自动截图，分钟为单位；

3、每截图一次，就通过邮件将截图发送出去。

Main functions of experts or indicators:

1. The indicator takes screenshots of the active terminal chart;

2. Set a time interval (e.g. every 15 minutes or 30 minutes or 240 minutes) for automatic screenshots in minutes;

3. Each screenshot is sent out by mail.