SetLineSpacing() does not work in DirectWrite - why?

I'm rendering text in Direct2D/DirectWrite, but calling SetLineSpacing() on either TextFormat or TextLayout seems to have no effect. Does anyone know why?

Solution

I'm 99% sure that this is a bug. I have done a little playing around with Direct2D lately and also had a problem with SetLineSpacing() on TextLayout, think it is the same as what you are describing, in that case I can confirm that it's not just you. Reopen your bug report on MS Connect, it has been closed.

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