Run dos command that starts program and program stay open

Question

I'm running the following code,
string m_file= "c:\program\program.exe" ;// runs a program
Process myProcess = new Process();
myProcess.StartInfo.FileName = @programtextBox.Text.Trim();
myProcess.StartInfo.Arguments = m_file;
String m_arguments = myProcess.StartInfo.Arguments.ToString().Trim();
myProcess.Start();
It works fine except I need the program to stay open that this command starts. But it closes while it's in the process of starting.

Answer 1

I had a mistake in what I posted in my code. Here it is again with corrections, and more detail.
string m_run= "c:\my programs\adobe\photoshope.exe" //This is saved in the program and can be set to any program the user wants to use. it's saved in the programtextBox.Text noted eailer, which is saved to the hard drive.
string m_file= "c:\file\anypicture.jpg" ;// picture that is selected in the interface.
Process myProcess = new Process();
myProcess.StartInfo.FileName = m_run;
myProcess.StartInfo.Arguments = m_file;
String m_arguments = myProcess.StartInfo.Arguments.ToString().Trim();
myProcess.Start();
This is a windows form program.
It looks to me like you're either redacting or modifying your actual code before posting.  I could be wrong about that, but I'm pretty sure because:
If you were calling Process.Start() against program files/adobe/photoshope.exe I believe that you'd get a Win32 Exception since I don't think that file exists in any photoshop installation.
I sincerely doubt that you're actually working with "file/anypicture.jpg."
I'm confused by the declaration of m_arguments which is never used.  I assume it is in fact used somewhere in your code.
Finally, you have stated that the program to open files with is pre-defined, so I suspect that data is actually being pulled from a variable instead of from a hard string as in your "example."
If that's the case then you might as well go shoot yourself in the foot, since that would do exactly as much good as asking for help with broken code and then posting pseudo-code instead of what doesn't work.  It's like telling an auto mechanic your
car dies every time you hit 22 miles per hour, while delivering your bicycle for service.
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