Yes, it ist the default MS WebBrowser control (MS WebBrowser class documentation) embedded in a simple VB.Net application. This application is only navigating to the mentionend URL.
Yes, the ThreeJS example is running after adding the tag <meta charset="utf-8" http-equiv="X-UA-Compatible" content="IE=edge">.
Other libraries such as Openlayers run reasonably well. However, Openlayers does not respond to mouse events; these must be intercepted in VB and dealt with in JS.
I had to shorten the links so that the editor accepts the input:
An error occurred while rendering. Rendering has stopped.
TypeError: The property “update” of an undefined or null reference cannot be retrieved.
. at Viewer.prototype._onTick (…/cesiumjs/releases/1.70.1/Build/CesiumUnminified/Cesium.js:300085:5) at Event.prototype.raiseEvent (…/cesiumjs/releases/1.70.1/Build/CesiumUnminified/Cesium.js:13927:9) at Clock.prototype.tick …/cesiumjs/releases/1.70.1/Build/CesiumUnminified/Cesium.js:50085:5) at CesiumWidget.prototype.render (…/cesiumjs/releases/1.70.1/Build/CesiumUnminified/Cesium.js:293826:7) at render (…/cesiumjs/releases/1.70.1/Build/CesiumUnminified/Cesium.js:293111:13)