Gtk.IconView.prototype.set_markup_column

function set_markup_column(column:Number):void {
    // Gjs wrapper for gtk_icon_view_set_markup_column()
}

Sets the column with markup information for icon_view to be column. The markup column must be of type #G_TYPE_STRING. If the markup column is set to something, it overrides the text column set by Gtk.set_text_column.

Since 2.6