node wxDialog
var title of text
var style of flags wxSTAY_ON_TOP,wxCAPTION,wxDEFAULT_DIALOG_STYLE,wxTHICK_FRAME,wxSYSTEM_MENU,wxRESIZE_BORDER,wxRESIZE_BOX,wxDIALOG_MODAL,wxDIALOG_MODELESS
var centered of bool
derived from panelbase