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This is the only way to achieve vertical alignment when staggered rows.

Bar-RowOffset range (0-36)
36 is the width of the button
How to add the width of Spaceing
For example, the default Space=2
The range of offset should be 0----38 (36+2)

I never actually considered this particular bar configuration before

function ButtonBar:SetRowOffset(rowOffset)
    self.sets.rowOffset = rowOffset + self.sets.spacing
    self:Layout()
end

I simply modified the function
to temporarily implement this offset
but there is a problem, every time I switch to modify, this offset will be automatically added

Which one should I modify correctly?

I think you want to modify the layout function directly

This is implemented now - The min and max values of the slider will include spacing. You can also type in a value to bypass the limits that are in place.

Which file was changed? I used it WotLK Classic

I updated Dominos Config’s slider defaults

0850994