/// <summary>
/// checks if member exists already or not
/// if none add it
/// </summary>
/// <param name="obj"></param>
private void OnReceiveMessageAction(Member obj)
{
if (members.Contains(obj))
{
MessageBox.Show("Member Already Exist");
}
else
{
members.Add(obj);
this.RaisePropertyChanged(() => this.MemberList);
}
Messenger.Default.Unregister <Member>(this, OnReceiveMessageAction);
addMemWindow.Close();
}
/// <summary>
/// opens the addMemberViewModel to add a new member
/// </summary>
public void AddMember()
{
addMemWindow = new AddMemberWindow();
addMemWindow.DataContext = new AddMemberViewModel(new System.Action(() => addMemWindow.Close()));
addMemWindow.Show();
Messenger.Default.Register <Member>(this, OnReceiveMessageAction);
}