Returns the current header of the row. This can be used in a GtkListBoxUpdateHeaderFunc to see if there is a header set already, and if so to update the state of it.
the current header, or NULL if none. [transfer none] Since 3.10
See Implementation
Returns the current header of the row. This can be used in a GtkListBoxUpdateHeaderFunc to see if there is a header set already, and if so to update the state of it.