This directory is self-contained. It adds a native WPF implementation without changing the repository's existing WinForms library, WinForms demo, legacy WPF host demo, or original solution.

• ST.Library.UI.WPF: dependency-free native WPF controls rendered through the original System.Drawing.Graphics contract and presented by a DPI-aware WPF WriteableBitmap.
• WpfNodeEditorDemo: full-window node canvas with context menus, automatic layout, save/open actions, an execution command, and a node-anchored reflection property panel provided by the ColorVision.UI 1.5.7 NuGet package.
• STNodeEditor.Wpf.sln: standalone solution for the two projects above.

The control library has no NuGet dependency and does not reference System.Windows.Forms, WindowsFormsIntegration, or a third-party rendering package. The demo uses a native WPF visual tree with no WindowsFormsHost; only the demo references ColorVision.UI for its reflection-based property editors and theme resources.

Node creation is available from the integrated + button and the canvas context menu, so the demo does not reserve space for a node tree. Selecting one node opens its reflected STNodePropertyAttribute properties beside the node while leaving the rest of the window available to the canvas.

The demo uses direct cursor-centered wheel zoom in 0.05 steps across the editor's full 0.2 to 5.0 scale range. The canvas lock button controls blank-area left-drag explicitly: unlocked pans the canvas, locked draws a selection rectangle, and middle-button drag always pans. Manual lock state is not changed by clicking a node.

The demo keeps the historical WpfNodeEdittorDemo assembly name so existing STND files retain the same node module identity; only the project folder and UI namespace use the corrected spelling.

Open STNodeEditor.Wpf.sln, select WpfNodeEditorDemo, and press F5. From PowerShell, the equivalent commands are:

dotnet build .\STNodeEditor.Wpf.sln
dotnet run --project .\WpfNodeEditorDemo\WpfNodeEditorDemo.csproj

The WPF library targets both net8.0-windows and net10.0-windows; the demo targets net8.0-windows and runs as x64 because the published ColorVision.UI assemblies are AMD64. This does not alter the target framework or source of any existing project.