In this post, you’ll learn more about the Error ERROR_GRAPHICS_PINNED_MODE_MUST_REMAIN_IN_SET – 0xC0262312 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_GRAPHICS_PINNED_MODE_MUST_REMAIN_IN_SET – 0xC0262312
Win32 COM Error Error Description
Pinned mode must remain in the set on VidPN’s cofunctional modality enumeration.