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MILERR_NO_REDIRECTION_SURFACE_AVAILABLE
MILERR_NO_REDIRECTION_SURFACE_AVAILABLE is a Windows Media Integration Layer (MIL) HRESULT. It indicates that MIL cannot obtain the redirection surface required to compose or redirect the requested content.
Diagnostic discriminator: Correlate redirection-surface allocation with compositor state, device memory, and visual or window lifetime. If releasing and recreating the target yields a surface for the same content, resource availability or ownership is the relevant cause.
What to check for MILERR_NO_REDIRECTION_SURFACE_AVAILABLE
- Check device memory pressure, compositor state, and the lifetime of the target window or visual.
- Release unneeded surfaces and avoid creating redundant large render targets.
- Handle display or device changes by recreating redirection resources when the owning surface changes.
Microsoft documentation about WPF hardware-accelerated rendering
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