PRM_UPDATEPROP = WM_USER + $1000        ; wparam - poiner to TBaseWin structure. lparam - mask

upStyle   =  $01
upStyleEx =  $02
upSize    =  $04
upPosition = $08
upText     = $10
upFont     = $20
upHelp     = $40

upAll   = upStyle or upStyleEx or upSize or upPosition or upText or upFont or upHelp

ofsTBaseWinPtr = 4

editID = $8000

