Category Archives: Uncategorized

Microsoft WinUI 3/WPF/UWP/Windows Forms/MFC/GDI

  • Win32 (USER32/GDI32)
  • .NET 6 (WPF/WinForms)


.NET Multi-Platform App UI (.NET MAUI)
Graphics Device Interface (GDI)
Windows Presentation Foundation (WPF)
Windows Forms

Windows App SDK
Windows UI Library



What is WinUI?

Was ist Windows Presentation Foundation (WPF)?
Tutorial: Erstellen einer einfachen Anwendung mit C# (WPF)
Tutorial: Erstellen Ihrer ersten Anwendung für die Universelle Windows-Plattform in Visual Studio mit XAML und C# (UWP)
Windows UI Library in the Windows App SDK (WinUI 3)

Capability/feature WinUI 3 UWP XAML & WinUI 2 WPF WinForms MFC
Windows app types supported Desktop UWP Desktop Desktop Desktop
Windows versions supported Win10, 1809+

Win11 (all)

Win10, 1703+

Win11 (all)

Windows XP or higher Windows XP or higher Windows XP or higher
Native C/C++
.NET 5 Support
(Chromium-based engine)
✓ * ✓ *
Built-in Fluent Design controls
Built-in support for modern input
(e.g. touch, pen, gamepad)
Uses latest DirectX version for graphics performance
High performance data binding


WinForms vs WPF vs UWP: Expectations vs. Reality


C# Compare Windows Forms vs WPF vs UWP
WinForm vs WPF vs UWP vs Console – The C# Desktop UI Showdown (and the future with .NET 5)

IES File

What Is an IES File?
A file with the IES file extension is an IES Photometric file that stands for Illuminating Engineering Society. They are plain text files that contain data on light for architectural programs that can simulate light.

Lighting manufacturers might publish IES files to describe how various structures are affected by their product. The program using the file can interpret it to understand how to display the correct lighting patterns on things like roads and buildings. – IESviewer (Andrey Legotin)
The photometric data files (IES, LDT) commonly used by lighting fixture manufacturers to distribute the photometric information about their products.

EASY BUTTON Understanding IES (Illuminating Engineering Society)
An IES file is basically the measurement of distribution of light (intensity) stored in ASCII format.

IES Light Profiles, An overview of setting up and using IES textures with lights.

CNDL, An open source IES lighting creation tool, An easy to use program that generates custom IES files

IES lights with VRay (YouTube)