垂直 すいちょく方向 ほうこう書式 しょしき おくりだったら
suichokuhōkōsho shiki okuridattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 垂直方向書式送り

1. If it were vertical writing format scrolling:; If scrolling in vertical writing format.

Tara Conditional
Computing