if it's valid continue otherwise message the user. If license file exists, open, dycript and validate it. ( How to encrypt and decrypt a file by using Visual C#)ģ. if it's invalid, message the user otherwise encrypt product key and license key in two lines and store in a license file e.g. like you should validate license key by reverse algorithm for example after OK. then the user should enter this to theĭialog and click OK. you can use reverse algorithm and send ' 30600102' as license key to the user. User should send you this product key and you should apply an algorithm on it and finally send it to the user as license key. you can use ' 20100603' (current date) as the product key. generate a pruduct key and fill the dialog by it. If license file doesn't exist, open a dialog containing two text boxes, one for the product key another for license key. When the user tries to run the application, check for license file existence in the current folder.Ģ. However, in summary the solution is as below:ġ. I'll try later to post a complete solution to my blog when I have more free time. The complete process is almost long and complicated.
0 kommentar(er)
