HBCMS更多的中文手册参考:

orientation Attribute | Orientation参数属性

DHTML文档教程

Sets or retrieves the value that indicates whether the filter effect is horizontal or vertical.

dhtml语法

HTML
{ filter:progid:dximagetransform.microsoft.filter-name(
    orientation = sorientation ... ) ... }
scripting
object.filters.item(
    "dximagetransform.microsoft.filter-name").orientation [ = sorientation ]

dhtml可能的值

sOrientationString that specifies or receives the following values:
horizontalTransition lines are horizontal.
verticalTransition lines are vertical.

The property is read/write. The property has no default value for all objects with the following exceptions:
barnvertical
randombarshorizontal

applies to

Barn, RandomBars

更多语法参考

transitions, Transition Design Considerations