Newton Developer Technical Information: Newton Programmer's Guide: 2.1 OS Addendum /

Chapter 3 - Word Processing Views / Word Processing View Reference

Protos / protoTXView

ChangeRangeRulers

protoTXView:ChangeRangeRulers(range, ruler, undoable)

Changes the attributes of the rulers in a range of text.

range

The rulers in this range are changed. Note that the range is grown to enclose entire paragraphs.

ruler

A ruler information frame. Any non-nil slots in this frame indicate new ruler attributes for the range. Use nil slots to indicate that the corresponding attribute is not to change. See "The Ruler Information Frame".

undoable

If non-nil, the operation is undoable.

return value

An error code, or nil if the operation worked.