The RegisterKeystrokeNotify() function registers a function which will be called when a specified keystroke will occur.
@param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance.
@param KeyData A pointer to a buffer that is filled in with the keystroke information for the key that was pressed.
@param KeyNotificationFunction Points to the function to be called when the key sequence is typed specified by KeyData.
@param NotifyHandle Points to the unique handle assigned to the registered notification.
@retval EFI_SUCCESS The device state was set appropriately.
@retval EFI_OUT_OF_RESOURCES Unable to allocate necessary data structures.
See Implementation
The RegisterKeystrokeNotify() function registers a function which will be called when a specified keystroke will occur.
@param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance.
@param KeyData A pointer to a buffer that is filled in with the keystroke information for the key that was pressed.
@param KeyNotificationFunction Points to the function to be called when the key sequence is typed specified by KeyData.