Well you could do that when your software first loads. Maybe on first run save the current date to application settings and then each run after that have it count the number of days between the current date and the saved date and if its more than 30 exit/shutdown/diable your software from use. You ...

BEFORE EVERYTHING,I CAN SAY,I SAW THE APPLICATION MANAGER IN 'codenstuff'.But it's in vb,i am working on C#.net.Now let me tell you my issue. I am writing an application that I want to give to customers. What is the best solution to create a trail period of 1 month.My preferred method is to disable ...