Adds a region to context, so posterior calls to gtk_style_context_get() or any of the gtk_render_*() functions will make use of this new region for styling. In the CSS file format, a GtkTreeView defining a "row"
region name to use in styling
flags that apply to the region Since 3.0
See Implementation
Adds a region to context, so posterior calls to gtk_style_context_get() or any of the gtk_render_*() functions will make use of this new region for styling. In the CSS file format, a GtkTreeView defining a "row"