OnPageCloseQuery
Occur when page is being closed. It provide last chance to cancel closing action.property OnPageCloseQuery: TNxPageCloseQueryEvent read FOnPageCloseQuery write FOnPageCloseQuery;Example:
procedure TForm1.NxPageControl61PageCloseQuery(Sender: TObject;
Page: TNxPageSheet6; var CanClose: Boolean);
begin
if RightStr(Page.Caption, 1) = '*' then
begin
CanClose := MessageDlg('Are you sure?', mtConfirmation, [mbYes, mbNo], 0) = mrYes;
end;
end;