Backdrop no visible in TBC

[tobbi007]

If you rightclick the mbb button the options window will not have a backdrop in tbc classic

I did this to fix this:

@ end of function MBB_OnEvent(self, event, ...) add

Mixin(MBB_OptionsFrame, BackdropTemplateMixin)
    MBB_OptionsFrame:SetBackdrop({
        bgFile = "Interface\\DialogFrame\\UI-DialogBox-Background-Dark", 
        edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
        tile = true,
        tileSize = 16,
        edgeSize = 16,
        insets = {left = 4, right = 4, top = 4, bottom = 4},
    })

[vallantv]

Should be fixed in the latest release.