Retrieves the text displayed superimposed on the progress bar, if any, otherwise NULL. The return value is a reference to the text, not a copy of it, so will become invalid if you change the text in the progress bar.
text, or NULL; this string is owned by the widget and should not be modified or freed.
See Implementation
Retrieves the text displayed superimposed on the progress bar, if any, otherwise NULL. The return value is a reference to the text, not a copy of it, so will become invalid if you change the text in the progress bar.