Assembly.GetExecutingAssembly(...

Private Overloads Sub Refresh(tag As String)
       Dim profile As New Profile(tag)
       Dim list As List(Of Hero) = profile.HeroList

       Me.panelHeroList.Controls.Clear()
       Dim index As Integer = 0

       For Each hero As Hero In list

           btn.Location = New Point(2 + index * 110, 2)
           btn.Size = New Size(108, 128)

           btn.Text = [String].Format("{0} {1}( {2} )", list(index).Level, list(index).Name, list(index).ParagonLevel)
           btn.ImageAlign = ContentAlignment.MiddleCenter

           btn.TextAlign = ContentAlignment.BottomCenter
           btn.Tag = hero

           Dim myStream As Stream = Assembly.GetEntryAssembly().GetManifestResourceStream(hero.HeadPicture)
           If myStream Is Nothing Then
               MessageBox.Show("Image cannot be opened...Sorry", "System Error!", MessageBoxButtons.OK, MessageBoxIcon.Error)
               Exit Sub
           Else
               Dim bmp As New Bitmap(myStream)
               btn.BackgroundImage = bmp
               btn.BackgroundImageLayout = ImageLayout.None
           End If

           AddHandler btn.Click, AddressOf btn_Click

           panelHeroList.Controls.Add(btn)

           System.Math.Max(System.Threading.Interlocked.Increment(index), index - 1)
       Next

   End Sub

private void Refresh(string tag)
        {
            Profile profile = new Profile(tag);
            List<Hero> list = profile.HeroList;

            this.panelHeroList.Controls.Clear();
            int index = 0;
            foreach (Hero hero in list)
            {
                Button btn = new Button();
                btn.Location = new Point(2 + index * 110, 2);
                btn.Size = new Size(108, 128);

                btn.Text = String.Format("{0} {1}( {2} )", list[index].Level, list[index].Name, list[index].ParagonLevel);
                btn.ImageAlign = ContentAlignment.MiddleCenter;

                btn.TextAlign = ContentAlignment.BottomCenter;
                btn.Tag = hero;


                using (Stream myStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(hero.HeadPicture))
                {
                    Bitmap bmp = new Bitmap(myStream);
                    btn.BackgroundImage = bmp;
                    btn.BackgroundImageLayout = ImageLayout.None;
                }

                btn.Click += new EventHandler(btnHero_Click);

                panelHeroList.Controls.Add(btn);

                index++;
            }


        }