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STATUS_GRAPHICS_PATH_CONTENT_GEOMETRY_TRANSFORMATION_NOT_PINNED
The path has no selected content transformation
A VidPN present path can have a selected, or pinned, content-geometry transformation. This status means the path was expected to have that selection, but no transformation is currently pinned.
This often appears in the same class of sequencing bugs as an unpinned source or target mode. A path can contain candidate attributes, but commit-sensitive operations require one chosen transformation. Rebuilding or augmenting topology without repinning path attributes can leave this gap.
What to check
- Check the path attributes after topology augmentation and before commit.
- Repin transformation data when a path is recreated; do not assume previous path attributes survive handle replacement.
- Distinguish no pinned transformation from a pinned transformation that is unsupported.
References
- Microsoft: optimized screen rotation support
- Microsoft: VidPN objects and interfaces
- Microsoft: Introduction to Video Present Networks
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