//-----------------------------------------------------------------------------
// internal class
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// internal class
//-----------------------------------------------------------------------------
// don't delete it yourself). If bSelect, this page becomes active.
// the same as AddPage(), but adds it at the specified position
bool InsertPage( size_t position,
// don't delete it yourself). If bSelect, this page becomes active.
// the same as AddPage(), but adds it at the specified position
bool InsertPage( size_t position,