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An IAsyncReadFileHandle that returns only failed results, used when a function has failed but needs to return a non-null IAsyncReadFileHandle.
| Name | FAsyncReadFileHandleNull |
| Type | class |
| Header File | /Engine/Source/Runtime/Core/Public/Async/AsyncFileHandleNull.h |
| Include Path | #include "Async/AsyncFileHandleNull.h" |
Syntax
class FAsyncReadFileHandleNull : public IAsyncReadFileHandle
Implements Interfaces
Functions
Public
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
| Async/AsyncFileHandleNull.h | |||
IAsyncReadFileHandle
(
const IAsyncReadFileHandle& |
Non-copyable. | Async/AsyncFileHandleNull.h |
Overridden from IAsyncReadFileHandle
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
virtual IAsyncReadRequest * ReadRequest
(
int64 Offset, |
Submit an async request and/or wait for an async request | Async/AsyncFileHandleNull.h | |
virtual IAsyncReadRequest * SizeRequest
(
FAsyncFileCallBack* CompleteCallback |
Request the size of the file. This is also essentially the existence check. | Async/AsyncFileHandleNull.h | |
virtual bool UsesCache() |
Return true if this file is backed by a cache, if not, then precache requests are ignored. | Async/AsyncFileHandleNull.h |