Functions
EFI_STATUS EFIAPI	ChooseFile (IN EFI_DEVICE_PATH_PROTOCOL RootDirectory, IN CHAR16 FileType, IN CHOOSE_HANDLER ChooseHandler, OUT EFI_DEVICE_PATH_PROTOCOL **File)

Detailed Description

This library class defines a set of interfaces for how to do file explorer.

Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Function Documentation

EFI_STATUS EFIAPI ChooseFile	(	IN EFI_DEVICE_PATH_PROTOCOL *	RootDirectory,
		IN CHAR16 *	FileType,
		IN CHOOSE_HANDLER	ChooseHandler,
		OUT EFI_DEVICE_PATH_PROTOCOL **	File
	)

Choose a file in the specified directory.

If user input NULL for the RootDirectory, will choose file in the system.

If user input *File != NULL, function will return the allocate device path info for the choosed file, caller has to free the memory after use it.

Parameters

RootDirectory	Pointer to the root directory.
FileType	The file type need to choose.
ChooseHandler	Function pointer to the extra task need to do after choose one file.
File	Return the device path for the last time chosed file.

Return values

EFI_SUCESS	Choose the file success.
Other	errors Choose the file failed.