A customer encounters a strange effect while writing a report.
Usecase
Report is based on a template with header, footer and some small tables with addresses and the like, length is 3 pages.
Spellcheck is disabled.
Reproduced with a "typewriter" program typing the same block of text at constant speed.
Does not happen on single-page documents.
Attempt one
User opens reports and starts typing on the first page. CPU goes up to 50% (1 core) and stays at 40..50% while typing
Attempt two
User opens report, scrolls down to the last page and up to 1st again, starts typing there. CPU stays between 10..20%
Hypothesis
Some off-screen elements are calculated or rendered repeatedly until they are made visible at last once by scrolling down
Questions
Are there any options or procedures which force a full-paint of the document after loading or ways to control rendering of offscreen content?
Thanks Thomas