Embed Unity3D app inside WPF *without* having it take up the whole window

Question

I am trying to adapt the code posted in this question: https://stackoverflow.com/a/44059700

to allow me to embed a Unity3D app inside a WPF app.

This is my s

Answer 1

Use a WindowsFormsHost or HwndHost control in your WPF. The hwnd is in the host control's Handle property. So you can change this line to put Unity in just the host control.

process.StartInfo.Arguments = "-parentHWND " + hwndHost.Handle.ToInt32() + " " + Environment.CommandLine;

And remove the code that gets the hwnd for the floating frame

HwndSource source = (HwndSource)HwndSource.FromVisual(p);