I run an EXE program from a Windows Service but I can't see form C#? -

i run program windows service

private process runapp(string _applocation)     {         //create process         process _ret = new process();          _ret.startinfo.filename = _applocation;         //run administrator.         _ret.startinfo.verb = "runas";         //window = normal         _ret.startinfo.windowstyle = processwindowstyle.normal;         _ret.startinfo.createnowindow = false;          _ret.start();         return _ret;     } 

i see in task manager. working can't see window.

(if can not see can change parent , see it)i try this: create new midichildwindow project and:

    [dllimport("user32.dll", setlasterror = true)]     static extern intptr setparent(intptr hwndchild, intptr hwndnewparent);     [dllimport("user32.dll")]     static extern bool showwindow(intptr hwnd, int ncmdshow);      private void getlisteners()     {         process[] memory = process.getprocesses();          foreach (process _prc in memory)         {             if (_prc.processname == "myrunnedapplication")             {                 setparent(_prc.mainwindowhandle, this.handle);                 showwindow(_prc.mainwindowhandle, 1);             }         }     } 

but not work. runned application child windows service , can not change it.

how see it? (sory bad english)