| When a form (or other window) that covered
the Citect window is closed, Citect must decide if it can just
redraw the section of the screen uncovered or must redraw the
entire window. If the current Citect page does not have any colour
fills, then Citect will just redraw the uncovered section. If the
current page has one or more colour fills, then Citect must redraw
the entire window. This occurs because a colour fill may start from
outside the uncovered section and fill into the covered section. If
Citect did not redraw the entire window then this colour fill would
not be draw correctly.
If you want to stop Citect from repainting the entire window,
avoid using colour fills. You can normally replace animation
colours with animation symbols to get the same drawing effect. You
can also try the option [Animator] MemDCPaint=1 to get a similar
effect. This option will tell Citect to first draw the window into
memory and then copy that memory to the screen. This will produce a
similar effect however it does use more memory and may be slightly
slower to display.
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