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Defines the cache options used by the IThumbnailStreamCache interface.
Syntax
typedef enum ThumbnailStreamCacheOptions {
ExtractIfNotCached = 0,
ReturnOnlyIfCached = 0x1,
ResizeThumbnail = 0x2,
AllowSmallerSize = 0x4
} ;
Constants
ExtractIfNotCachedValue: 0 Return the cached thumbnail if it is already cached, otherwise extract the thumbnail to the cache. |
ReturnOnlyIfCachedValue: 0x1 Return the thumbnail only if it is already cached. |
ResizeThumbnailValue: 0x2 Resize the thumbnail to match the requested size. |
AllowSmallerSizeValue: 0x4 Can return a cached thumbnail that is smaller than the requested size. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 10 [desktop apps only] |
| Minimum supported server | Windows Server 2016 [desktop apps only] |
| Header | thumbnailstreamcache.h |