Destroy string (you should destroy any strings you explicitly Create).
Whether this string is empty or not.
Create string from copy of this string.
Replaces the contents of this string with the contents of a string.
Replaces the contents of this string with the contents of str.
Replaces the contents of this string with the contents of str.
Create string from a UTF-16 buffer.
Create string from a UTF-8 buffer.