windows - How to use a process already running in tasklist -


under windows 7, need run file, "file_name", myapp.exe through command line. when call myapp , file_name full paths, opens new instance of myapp (it not single-instanced). @ possible use running instance of myapp, if there 1 (as if dragged , dropped file_name myapp's window) ?

i know how check if myapp.exe running using tasklist. in case there running instance, don't know can kind of application handle through can call file_name, without opening new myapp.exe.

thanks!


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