FOutputDeviceFile | Unreal Engine 5.2 Documentation

Inheritance Hierarchy


Module	Core
Header	/Engine/Source/Runtime/Core/Public/Misc/OutputDeviceFile.h
Include	#include "Misc/OutputDeviceFile.h"

class FOutputDeviceFile : public FOutputDevice

File output device (Note: Only works if ALLOW_LOG_FILE && !NO_LOGGING is true, otherwise Serialize does nothing).

	Type	Name	Description
		FOutputDeviceFile ( const TCHAR* InFilename, bool bDisableBackup, bool bAppendIfExists, bool bCreateWriterLazily, TFunction< void(const TCHAR*)> FileOpenedCallback )	Constructor, initializing member variables.Constructor, initializing member variables.

	Type	Name	Description
		~FOutputDeviceFile ()	Destructor to perform teardown

Type	Name	Description
void	CreateBackupCopy ( const TCHAR* Filename )	Creates a backup copy of a log file if it already exists
const TCHAR *	GetFilename ()	Returns the filename associated with this output device
void	IncludeCategory ( const FName& InCategoryName )	Add a category name to our inclusion filter.
bool	IsBackupCopy ( const TCHAR* Filename )	Checks if the filename represents a backup copy of a log file
bool	IsOpened ()
void	Serialize ( const TCHAR* Data, ELogVerbosity::Type Verbosity, const FName& Category )
void	Serialize ( const TCHAR* Data, ELogVerbosity::Type Verbosity, const FName& Category, const double Time )	Serializes the passed in data unless the current event is suppressed.
void	SetFilename ( const TCHAR* InFilename )	Sets the filename that the output device writes to.

Type	Name	Description
bool	CanBeUsedOnAnyThread ()
bool	CanBeUsedOnPanicThread ()	The return value is cached by AddOutputDevice because calling this during a panic may fail.
void	Flush ()	Flush the write cache so the file isn't truncated in case we crash right after calling this function.
void	TearDown ()	Closes output device and cleans up.

	Type	Name	Description
	FCategoryInclusionInternal