Merges into @props all the style information contained in @props_to_merge. If @replace is %TRUE, the values will be overwritten, if it is %FALSE, the older values will prevail.
a second #GtkStyleProperties
whether to replace values or not
3.0
See Implementation
Merges into @props all the style information contained in @props_to_merge. If @replace is %TRUE, the values will be overwritten, if it is %FALSE, the older values will prevail.