BEFORE-event args for WhiteboardState.PageRemoving$ — raised by WhiteboardState.RemovePage (never for the last remaining page — that is guarded before the event). Cancel to keep the page.
Who is removing it.
Set to true (in a synchronous handler) to veto the operation.
true
The page about to be removed (with all of its items).
BEFORE-event args for WhiteboardState.PageRemoving$ — raised by WhiteboardState.RemovePage (never for the last remaining page — that is guarded before the event). Cancel to keep the page.