C # download files in a local area network shared folder

Inside the company's LAN, there is a host that shares several folders for use by the following clients.

Want to use this folder to upload the latest version of the WinForm program, each time you run EXE to detect the local area network software version to update the EXE.

Here is an example of downloading a TXT file in a local area network shared folder in a case:

Problem:

    Now click on the Button1 to achieve access to the fixed IP: 10.19.96.215 files in the shared folder. The path to the shared folder in the machine is C:\gongxiang  with the Abc.txt file. So in private void Button1_Click (object sender, EventArgs e)
        {

        }
How should I write the code?

C # download files in a local area network shared folder