Verifies that all characters in a string can be output to the
target device.
@param This The protocol instance pointer.
@param String The NULL-terminated string to be examined for the output
device(s).
@retval EFI_SUCCESS The device(s) are capable of rendering the output string.
@retval EFI_UNSUPPORTED Some of the characters in the string cannot be
rendered by one or more of the output devices mapped
by the EFI handle.
Verifies that all characters in a string can be output to the target device.
@param This The protocol instance pointer. @param String The NULL-terminated string to be examined for the output device(s).
@retval EFI_SUCCESS The device(s) are capable of rendering the output string. @retval EFI_UNSUPPORTED Some of the characters in the string cannot be rendered by one or more of the output devices mapped by the EFI handle.