Smoothing a hand-drawn curve
See the question and my original answer on StackOverflowMaybe this WPF+Bezier-based article is a good start: Draw a Smooth Curve through a Set of 2D Points with Bezier Primitives
Simon Mourier's blog (1807 answers on StackOverflow) about Microsoft technologies C#, C/C++, .NET, WinRT, WinUI3, AOT, P/Invoke, COM, Interop, DirectX, Direct2D, Windows, ...