redraw-drawing-with-cached-display redraws the output pane
, in particular the areas that were drawn by calls to the
. This has the effect of restoring the display to how it was in the last call to start-drawing-with-cached-display.
This redraws only what it thinks needs to be redrawn. To redraw all of the pane, use update-drawing-with-cached-display passing only the pane.
CAPI User Guide and Reference Manual (Windows version) - 3 Aug 2017