WideStudio Programming Guide	WideStudio Index Table of contents

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The scrolled form

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How to use the virtual scrolling

The large scrolling area uses huge window resource. In such case, it requires to use the virtual scrolling whose function uses no window resource.

The virtual scrolling has the following function.

it requires no window resource for any scrolling size.

The virtual scrolling has the following week points.

Drawing performance is worse than normal scrolling mode.

The instances which have a window resource can not be placed on the virtual scrolling mode. The does not move by scrolling the area.

It is possible to use the instances which have no window resource and which class name is WSCvxxxx on the virtual scrolling.