PF-Flush-Panel (Value 9)
Updates the screen with changes to the specified panel that have not yet been applied.
PF-Get-First-Panel (Value 15)
Returns the identifying handle and information about the panel that was enabled most recently.
PF-Get-Next-Panel (Value 16)
Returns the identifying handle and information about the panel that would be the topmost panel if the currently topmost panel were deleted.