Note: These APIs are publicly available as of Windows 1803 (10.0.17134.48). You can build your project against these APIs, but the DLL for linking is missing from the SDK. You should use the latest SDK and associated DLL released with Windows Insider to run your application
HRESULT WINAPI GetVpCount( _In_ VM_SAVED_STATE_DUMP_HANDLE VmSavedStateDumpHandle, _Out_ UINT32* VpCount );
Supplies a handle to a dump provider instance.
Returns the Virtual Processor count.
If the operation completes successfully, the return value is
Queries for the Virtual Processor count for a given VmSavedStateDump.