FAQ: How to protect your C# program with License Shield SDK?
If you are an C# Developer and looking for a solution to protect your C# applicaton, you can try our License Shield SDK. With a few function call in C#, it helps you "add trial features" in your C# projects easily and quickly.
C#
namespace LicenseShieldDemo
{
public partial class MainForm : Form
{
public MainForm()
{
InitializeComponent();
}
private void btExit_Click(object sender, EventArgs e)
{
Close();
}
private void MainForm_Load(object sender, EventArgs e)
{
// Replace with your purchased License Key once you get one
LicenseShieldSDK.SetLicenseKey("Your-License-Key");
// Set the parameters of the algorithm. NOTE: KeyBuilder should also use this parameter.
LicenseShieldSDK.SetAppKeys("My First Program", 34, 35, 1000);
// Set the Pop-up Window (Register Window) displays information.
LicenseShieldSDK.SetAppRegWin("My First Program v1.00",
"Copyright (C) 2012, Your Company. All rights reserved.",
"You are using a unregistered version of My First Program. \r\n" +
"If you want to using full functions, you must purchase a license.",
"http://www.adeptshare.com/purchase.html");
// Set TrialMode of Applicaton
LicenseShieldSDK.SetAppTrialMode(1, 10);
// Pop-up Register Window, Should be last line of your protection code
LicenseShieldSDK.ShowAppRegWin();
}
}
}
See Also:
- How to make a 14 day Trial limit in my VB application?
- How to use License Shield SDK to add trial features in Delphi project?
- How to make a 14-day Trial limit in my Delphi Programs?
- How to protect your VB program via License Shield SDK?
- How to use License Shield SDK to add trial features in C++ Builder project?

