Sorry,
I just copy the command wrong. The right is:
ADD COLUMN TO XBROWSE oLbxBrw DATA {|| oLbxBrw:oDbf:Fields(cCampo):value } HEADER Rtrim(oVfa5:titulo) SIZE aFields[oBrw:nAt,3]*10
ADD COLUMN TO XBROWSE oBrw DATA {|| oLbxBrw:oDbf:Fields(cCampo):value } HEADER cCampo size 150.