In this post, you’ll learn more about the Error ERROR_GRAPHICS_SOURCE_NOT_IN_TOPOLOGY – 0xC0262339 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_GRAPHICS_SOURCE_NOT_IN_TOPOLOGY – 0xC0262339
Win32 COM Error Error Description
Specified source is not part of the specified VidPN’s topology.