By following this step-by-step guide, you've successfully built a VB.NET and drag-and-drop app, published it as a standalone application, and packaged it into an installer using NSIS.

9. References

1. NSIS (Nullsoft Scriptable Install System) Official Documentation https://nsis.sourceforge.io/Docs
2. NSIS Wiki – Scripting Reference and Examples https://nsis.sourceforge.io/Main_Page
3. Microsoft Learn – Deploying .NET Applications https://learn.microsoft.com/en-us/dotnet/core/deploying/
4. Packaging and Distributing .NET Desktop Applications https://learn.microsoft.com/en-us/visualstudio/deployment/
5. NSIS vs MSI vs ClickOnce Comparison – Stack Overflow Discussion https://stackoverflow.com/questions/2468679/
6. Using NSIS to Create an Installer for Your .NET Application – CodeProject https://www.codeproject.com/Articles/11971/Using-NSIS-to-make-an-installer-for-your-net-app