// method or command
public void CreateRoom()
{
createRoomModel.InputEmailMember = Email.Split(separators, StringSplitOptions.RemoveEmptyEntries);
if (createRoomModel.IsValidCreateRoom())
{
createRoomModel.CreateRoom();
}
else
{
MessageBox.Show("Something is wrong. Please try again", "Create room failed",
MessageBoxButton.OK, MessageBoxImage.Warning);
}
}