[ CCode ( cname = "gtk_render_expander" ) ]
[ Version ( since = "3.0" ) ]
public void render_expander (Context cr, double x, double y, double width, double height)
Renders an expander (as used in TreeView and
Expander) in the area defined by x
, y
, width
, height
.
The state gtk_state_flag_checked determines whether the expander is collapsed or expanded.
Typical expander rendering:
![](expanders.png)
cr |
a Context |
x |
X origin of the rectangle |
y |
Y origin of the rectangle |
width |
rectangle width |
height |
rectangle height |
context |