[Wukar]

Thanks for the examples. The OnMouseUp, kills the default operation, OnClicked is ignored. Maybe there's just something wrong with my event handler assignment:

local function BBS_GetActiveTabs(tabControl)
    local children = {}
    local counter = tabControl:GetNumChildren()
    for i=1, counter do
        local child = tabControl:GetChild(i)
        
        if (child:GetType() == CT_CONTROL) then
            -- add a handler for each control
            -- TODO: add one handler to the parent and handle tab changes
            child:SetHandler("OnClicked", function(self) 
                BBS_SearchBoxOnTextChanged(bbs.editbox) 
            end)
            children[i] = child
        end
    end
    return children
end