render_expander
Description:
[ CCode ( cname = "gtk_render_expander" ) ]
[ Version ( since = "3.0" ) ]
public void render_expander (Context cr, double x, double y, double width, double height)
[ 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:

Parameters:
| cr |
a Context |
| x |
X origin of the rectangle |
| y |
Y origin of the rectangle |
| width |
rectangle width |
| height |
rectangle height |
| context |