getChildAtPos
open fun getChildAtPos(x: <Error class: unknown class>, y: <Error class: unknown class>): FlowBoxChild?
Gets the child in the (@x, @y) position.
Both @x and @y are assumed to be relative to the origin of @box.
Return
the child widget, which will always be a GtkFlowBoxChild or null in case no child widget exists for the given x and y coordinates.
Parameters
x
the x coordinate of the child
y
the y coordinate of the child