- Appends a directory component to the path. This component should contain a
- single directory name level, i.e. not contain any path or volume separators nor
- should it be empty, otherwise the function does nothing (and generates an
- assert failure in debug build).
+ Appends a directory component to the path.
+
+ This component should contain a single directory name level, i.e. not
+ contain any path or volume separators nor should it be empty, otherwise
+ the function does nothing and returns false (and generates an assert
+ failure in debug build).
+
+ Notice that the return value is only available in wxWidgets 2.9.5 or
+ later.