HRESULT 0x00040103 (VFW_S_NO_MORE_ITEMS): meaning and diagnosis

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VFW_S_NO_MORE_ITEMS reports that a Video for Windows or DirectShow enumeration completed and has no additional item to return.

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DRAGDROP_S_USEDEFAULTCURSORS	DATA_S_SAMEFORMATETC

VFW_S_NO_MORE_ITEMS

DirectShow enumeration reached the end

VFW_S_NO_MORE_ITEMS is HRESULT 262403 (0x00040103) from Video for Windows. The documented description is “The end of the list has been reached.” The high-order severity bit is clear, so this is a success result, but it carries more information than plain S_OK.

A Video for Windows or DirectShow list operation completed and has no additional item to return.

Evidence to preserve

Preserve enumerator type and owner.
Preserve requested and returned item counts.
Preserve enumeration position.
Preserve filter graph generation or device-change timestamp.
Preserve released interface references.

Where the result is encountered

This result can appear in filter, media-type, or device enumeration in legacy media code; record the producing interface and method.
This result can appear in iteration over component-owned collections; record the producing interface and method.
It can appear in compatibility layers that use VFW-specific success values; record the producing interface and method.

State to verify

The central question is whether all items already returned were consumed and the end position belongs to the same enumeration snapshot.

Diagnostic sequence

Capture the raw HRESULT 0x00040103 immediately after the returning method and record whether the caller used SUCCEEDED, FAILED, equality testing, or exception translation.
Verify the method-specific state: all items already returned were consumed and the end position belongs to the same enumeration snapshot.

Difference from nearby HRESULT values

S_FALSE is a generic COM end or false result; it is the media-component-specific end marker.

Correct handling, retry, and recovery

Stop the enumeration normally and keep previously returned items. Do not retry from the beginning unless the underlying collection changed or the caller intentionally requests a new snapshot.

Practical validation scenario

A diagnostic tool enumerates registered media components, consumes every returned entry, and receives it. It closes the enumerator and reports the completed count rather than an error.

Developer and administrator guidance

References

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