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We have a product that is a C# console app. Is it possible to restrict it to run from the command line only? In other words, users wouldn’t be able to call it from a script or another app.
If it is, some example code would be much appreciated. Thanks.
You can check the process that created your application using the code given here: http://msdn.microsoft.com/en-us/netframework/aa569609.aspx#Question3 . To be started at the DOS command line the parent process should be cmd.exe. Note however as pointed out by Colin this can be bypassed easily using a batch script. You can disable that as well by making sure that the command prompt arguments to cmd.exe are null. For this you will need to use WMI :
http://skysanders.net/subtext/archive/2010/04/11/using-wmi-to-fetch-the-command-line-that-started-all.aspx
You should also check the cmd.exe image is from system32 folder.