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Practical Programming in Tcl & Tk, Third Edition
By Brent B. Welch

Table of Contents
Chapter 48.  Tcl 7.4/Tk 4.0

Canvas scrollincrement

The canvas widget changed the scrollIncrement attribute to a pair of attributes: xScrollIncrement and yScrollIncrement. The default for these is now one-tenth the width (height) of the canvas instead of one pixel. Scrolling by one page scrolls by nine-tenths of the canvas display.

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