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NS_E_WMP_UI_OBJECTNOTFOUND
What this HRESULT means
The additional test for the UI object not found condition is to record object type/ID, construction order and the first earlier error that prevented creation; that evidence is more useful than reinstalling the Player or changing several unrelated settings at once.
State worth preserving
Capture the UI object not found state before the Player advances, reloads, rescans or destroys the owning object:
- What to verify: record object type/ID, construction order and the first earlier error that prevented creation.
- Artifact: control type, object ID and parent/child relation for the UI object not found reproduction.
- State: resource path, decoded dimensions and transparency/mapping attributes for the UI object not found reproduction.
- Object identity: event name, first handler and any duplicate handler declaration for the UI object not found reproduction.
- Underlying evidence: skin archive path, member list and selected.wms definition for the UI object not found reproduction.
- Correlation: THEME/version declaration and currentViewID for the UI object not found reproduction.
Reproduce without destroying evidence
- Preserve
0xC00D0FE5, the ErrorItem context and the object instance involved in UI object not found. - Compare the failing UI object not found artifact with a known-good artifact that differs only in the suspected property.
Related HRESULTs with different meanings
| Result | Different condition |
|---|---|
NS_E_WMP_UI_PASSTHROUGH | the skin hit-test path returned its internal pass-through result rather than selecting a control |
NS_E_WMP_UI_SECONDHANDLER | a second handler is declared for an event that already has one |
NS_E_WMP_UI_NOSKININZIP | the skin archive contains no.wms definition file discoverable by the loader |
Technical references
- Windows Media Player skins — API or format context.
- Skin definition file structure — documentation for this result.
- Skin definition XML structure — normative or platform material relevant to this result.
- Skin files and package contents — API or format context.
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