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API > API/Runtime > API/Runtime/Core > API/Runtime/Core/Async > API/Runtime/Core/Async/IMappedFileHandle
References
| Module | Core |
| Header | /Engine/Source/Runtime/Core/Public/Async/MappedFileHandle.h |
| Include | #include "Async/MappedFileHandle.h" |
IMappedFileRegion &42; MapRegion
&40;
int64 Offset,
int64 BytesToMap,
bool bPreloadHint
&41;
Remarks
Map a region of the file. the mapped region interface. Returns nullptr on failure.
Parameters
| Name | Description |
|---|---|
| Offset | Offset into the file to start mapping. |
| BytesToMap | Number of bytes to map. Clamped to the size of the file. |
| bPreloadHint | If true, preload the data. This is only a hint and might be ignored, see IMappedFileRegion::PreloadHint |