getBackgroundArea
open fun getBackgroundArea(path: TreePath? = null, column: TreeViewColumn? = null, rect: <Error class: unknown class>)
Fills the bounding rectangle in bin_window coordinates for the cell at the row specified by @path and the column specified by @column. If @path is null, or points to a node not found in the tree, the @y and @height fields of the rectangle will be filled with 0. If @column is null, the @x and @width fields will be filled with 0. The returned rectangle is equivalent to the
Parameters
path
a GtkTreePath for the row, or null to get only horizontal coordinates
column
a GtkTreeViewColumn for the column, or null to get only vertical coordinates
rect
rectangle to fill with cell background rect