Thrown when an attempt is made to install an extension that is a system component.
Assembly: Microsoft.VisualStudio.ExtensionManager (in Microsoft.VisualStudio.ExtensionManager.dll)
Although this API supports the Extension Manager infrastructure, we recommend that you do not use it because it is subject to change.
An extension is considered a system component by the extension manager service if the element of its VSIX manifest has a value of true.
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.