Retrieves the text that is displayed with the progress bar.
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 that is displayed with the progress bar.
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.