Obtains the horizontal position and size of a cell in a column. If the cell is not found in the column, @start_pos and @width are not changed and %FALSE is returned.
a #GtkCellRenderer
return location for the horizontal position of @cell within @tree_column, may be %NULL
return location for the width of @cell, may be %NULL
%TRUE if @cell belongs to @tree_column.
See Implementation
Obtains the horizontal position and size of a cell in a column. If the cell is not found in the column, @start_pos and @width are not changed and %FALSE is returned.