Run time application for .Net can render and handle more than 10,000 dynamic entities at a time on Map or scene?
In general yes. But it will depend on several factors such as the frequency of updates to the entity geometries and/or attributes.
For more info see:
Maps and scenes—ArcGIS Runtime SDK for .NET (WPF) | ArcGIS for Developers
Features and graphics—ArcGIS Runtime SDK for .NET (WPF) | ArcGIS for Developers
Performance considerations—ArcGIS Runtime SDK for .NET (WPF) | ArcGIS for Developers
arcgis-runtime-demos-dotnet/src/GeoEventServerSample at master · Esri/arcgis-runtime-demos-dotnet · GitHub
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