Notify about dialog result, and then close dialog.
calls close with cancel action (if found); returns true if cancel action is found and invoked
calls close with default action; returns true if default action is found and invoked
create panel with buttons based on list of actions
map key to action
Custom handling of actions
override to implement creation of dialog controls
Measure widget according to desired width and height constraints. (Step 1 of two phase layout).
pass key event here; returns true if search text is updated and you can move selection using it
called after window with dialog is shown
shows dialog
set window caption
get window caption
get icon resource id
set icon resource id
base for all dialogs