Programming with Reflection

image\rwnprg32.gif ScrollOptimization property



object.ScrollOptimization = Value

Works with


Data type




Returns (first syntax line) or specifies (second syntax line) when Reflection uses an off-screen bitmap to speed up scrolling. With most EGA and VGA video adapters, it's usually more efficient to use this off-screen bitmap, but with video adapters that support higher resolutions and more colors, it may be more efficient not to use the bitmap. When this property is set to rcAuto, Reflection automatically adjusts to either use or not use the off-screen bitmap, depending on the capabilities of the video adapter.


The default value is rcAuto.

rcAuto Use the off-screen bitmap to speed up scrolling as appropriate.

rcStandardScroll Do not ever use the off-screen bitmap.

rcUseBitmap Always use the off-screen bitmap.



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