Function gtk4::render_expander 
source · pub fn render_expander(
    context: &impl IsA<StyleContext>,
    cr: &Context,
    x: f64,
    y: f64,
    width: f64,
    height: f64
)👎Deprecated: Since 4.10
Expand description
Renders an expander (as used in TreeView and Expander) in the area
defined by @x, @y, @width, @height. The state StateFlags::CHECKED
determines whether the expander is collapsed or expanded.
Typical expander rendering:

Deprecated since 4.10
context
cr
x
X origin of the rectangle
y
Y origin of the rectangle
width
rectangle width
height
rectangle height