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MILERR_INSUFFICIENTBUFFER
MILERR_INSUFFICIENTBUFFER is a Windows Media Integration Layer (MIL) HRESULT. It indicates that the caller supplied insufficient storage for a rendering, geometry, glyph, or related MIL result.
Diagnostic discriminator: Use the API sizing contract to obtain the required length and retry with checked allocation in the documented units. If the measured capacity succeeds for the same request, do not classify this as process-wide memory pressure.
What to check for MILERR_INSUFFICIENTBUFFER
- Obtain or calculate the required size before allocating the destination buffer.
- Confirm that all buffer sizes and offsets are expressed in the units required by the API.
- Handle variable-size output without relying on a fixed buffer inherited from another display configuration.
Microsoft documentation about WPF hardware-accelerated rendering
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