How to get the STDOUT from third part exe with c# process

1.I want to use Process.start() to open the third part exe .

2. when the Process.start() executed the third part exe can running well ,but I can get the result from the third part exe via process.StandardOutput.ReadToEnd()
3.before the exe start my console terminal title is normal as below 

4.after started ,the title as below 

5.then I try to get the result it will return ""

6.this is my code