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NS_E_WMP_UI_SUBELEMENTNOTFOUND
How to classify this WMP result
The additional test for the UI subelement not found condition is to record parent type/ID, requested subelement and parsed child list; that evidence is more useful than reinstalling the Player or changing several unrelated settings at once.
State worth preserving
Capture the UI subelement not found state before the Player advances, reloads, rescans or destroys the owning object:
- What to verify: record parent type/ID, requested subelement and parsed child list.
- Artifact: resource path, decoded dimensions and transparency/mapping attributes for the UI subelement not found reproduction.
- State: event name, first handler and any duplicate handler declaration for the UI subelement not found reproduction.
- Object identity: skin archive path, member list and selected.wms definition for the UI subelement not found reproduction.
- Underlying evidence: THEME/version declaration and currentViewID for the UI subelement not found reproduction.
- Correlation: control type, object ID and parent/child relation for the UI subelement not found reproduction.
Reproduce without destroying evidence
- Start with the symbolic HRESULT; do not diagnose UI subelement not found from the final dialog alone.
- Record the bytes or object state that produced UI subelement not found before automatic recovery mutates it.
Related HRESULTs with different meanings
| Result | Different condition |
|---|---|
NS_E_WMP_UI_NOTATHEMEFILE | the XML is readable but does not define a WMP THEME document |
NS_E_WMP_UI_VERSIONPARSE | the WMP skin version processing instruction cannot be parsed |
NS_E_WMP_UI_VERSIONMISMATCH | the skin requires a UI engine version different from the installed WMP skin runtime |
Technical references
- Windows Media Player skins — documentation for this HRESULT.
- Skin definition file structure — normative or platform material relevant to this HRESULT.
- Skin definition XML structure — API or format context.
- Skin files and package contents — documentation for this HRESULT.
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