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I have recently updated my SciChart assemblies to version

However, I use the SciChart3DInteractionToolbar, defined in SciChart.Examples.ExternalDependencies. This now appears to be incompatible with the recent nightly release and I get the error

Could not load file or assembly ‘SciChart.Charting3D, Version=

Is there a new ExternalDependancies dll available that I could use.

I can’t understand this issue because when I update the SciChart_SparseImpulseSeries3D example project to use the same new Scichart version this runs okay.

Any help in resolving this issue is gladly appreciated.



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Hi Marc,

First up, SciChartInteractionToolbar and SciChart3DInteractionToolbar are not actually controls that we support, they are shipped with the SciChart WPF Examples Suite and intended for demonstrating scichart only.

Secondlly SciChartInteractionToolbar/SciChart3DInteractionToolbar references the SciChart DLLs and require the same version to be referenced as your application. That’s why it’s not working if you update the SciChart version.

However, there is a workaround.

  1. You can get the SciChart.ExternalDependencies.dll from our latest installer, by default installed to the C:/Program Files (x86)/SciChart Ltd/SciChart SDK/ExamplesBin folder

  2. OR, you can actually view the source for the SciChartInteractionToolbar / SciChart3DInteractionToolbar as we ship the full source for the examples app. This is installed by default to C:\Users\%CurrentUser%\AppData\Roaming\SciChart SDK.

If you want to use our source just copy it in to your application and compile it. It is licensed without warranty / as-is.

Best regards,

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H Andrew,

I re-compiled the ExternalDependancies using the latest SciChart nightly released and this now works well.



  • Andrew Burnett-Thompson
    Hi Marc, I’m glad to hear it! May I suggest also not using all of ExternalDependencies – this contains some embedded resources which are quite large (>10Megs) which are example data for our examples app. Best regards, Andrew
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