\r
@param MenuOption Pointer to the current input menu.\r
@param Prompt The prompt string shown on popup window.\r
- @param StringPtr Destination for use input string.\r
+ @param StringPtr Old user input and destination for use input string.\r
\r
@retval EFI_SUCCESS If string input is read successfully\r
@retval EFI_DEVICE_ERROR If operation fails\r
**/\r
EFI_STATUS\r
ReadString (\r
- IN UI_MENU_OPTION *MenuOption,\r
- IN CHAR16 *Prompt,\r
- OUT CHAR16 *StringPtr\r
+ IN UI_MENU_OPTION *MenuOption,\r
+ IN CHAR16 *Prompt,\r
+ IN OUT CHAR16 *StringPtr\r
);\r
\r
/**\r