ruby-****@sourc*****
ruby-****@sourc*****
2012年 10月 9日 (火) 04:25:36 JST
------------------------- REMOTE_ADDR = 184.145.82.7 REMOTE_HOST = URL = http://ruby-gnome2.sourceforge.jp/hiki.cgi?tut-gtk2-treev-crs ------------------------- @@ -318,6 +318,15 @@ window.show_all Gtk.main + + + + +{{br}} +{{br}} +=== Data dependencies between cells in different columns and rows in tree view + + All the differences between the two programs above are found in two places in the((*'setup_tree_view'*))method in which the three tree view columns 'Buy', 'Count' and 'Product' are set. However, though only two modifications were made in the second example program, a user can observe three behavioural differences: (1) neither of the two product category's 'Buy' columns respond to clicks on their respective check boxes, (2) toggling clickable products now adjusts the 'Count' value of their product category header record to reflect the number of selected items from the category, and (3) if all the products of a category are deselected, the check-box in their control record is also unchecked and as soon a s any item is re-checked the product category control record's check-box is also set as checked. :Tree View Iter Arithmetic