Renders an expander (as used in GtkTreeView and GtkExpander) in the area defined by x, y, width, height. The state GTK_STATE_FLAG_ACTIVE determines whether the expander is collapsed or expanded.
a cairo_t
X origin of the rectangle
Y origin of the rectangle
rectangle width
rectangle height Since 3.0
See Implementation
Renders an expander (as used in GtkTreeView and GtkExpander) in the area defined by x, y, width, height. The state GTK_STATE_FLAG_ACTIVE determines whether the expander is collapsed or expanded.