Eclipse RCP Fast View in Horizontal Orientation

I do know how to register 开发者_开发问答a View in the Fast views bar within a RCP Eclipse application (using plugin.xml). It opens in Vertical orientation. Does anybody know how to tell this view to open in Horizontal orientation per default?

Thanks a lot for your help.

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Not sure if it is available.
Already in 2004, it was mentioned in bug 55830:

We have no plans to expose the "horizontal/vertical" fastview option as API (since this concept might be removed in the future in favor of 2 resize sashes).

And the 2005 question about the same feature went unanswered!

I currently add a fast view to my perspective...

layout.addFastView(IConsoleConstants.ID_CONSOLE_VIEW, 0.35f);

How can I programmatically set this view to default to a horizontal orientation?

I assume this is not possible to do through the API?

THe current IPageLayout doesn't seem to have any parameter for the orientation.