Additional System Services

Using Additional System Services

Do not install idler objects having idle time intervals of
less than 100 milliseconds.

The following example prints a random five-letter word in the Inspector until the
view is closed:

myButton := {

_proto : protoTextButton,
ButtonClickScript : func() :SetUpIdle(100);//start the

//cycle

text : "Print silly words",
ViewIdleScript: func()

begin

print( GetRandomWord (5,5) );
//this function's return value
//determines when it is called next
2 * 1000; //come back in 2 secs.

end;

...

}

Using Change Notification

17

For a complete description of these services, see the appropriate chapter:

For information on soup change notification, see Chapter 11, "Data Storage
and Retrieval."

For information on folder change notification, see Chapter 15, "Filing."

For information on user configuration change notification, see Chapter 19,
"Built-in Applications and System Data."

Using Online Help

17

You create online help by creating a help book using Newton Book Maker. For
information on how to do this see version 2.0 of the Book Maker User's Guide. The
help book can then be displayed from the information ("i") button. This button is
based on

protoInfoButton

, or

newtInfoButton

if you are working within

the NewtApp framework. For a description of the

protoInfoButton

proto, see

Chapter 7, "Controls and Other Protos." For a description of the

newtInfoButton

proto, see Chapter 4, "NewtApp Applications."

Help can also be displayed from the Intelligent Assistant. For information about
this, see Chapter 18, "Intelligent Assistant."