I've created a new class called BulletList2(linked list) using the built in dialog(File>New Class) which created a header file called bulletlist.h (in project folder>include) and a source file called bulletlist2.cpp(in project folder > src).
For Each ctrl As Control In Me.Controls("pnlMainPanel").Controls
If ctrl.GetType Is GetType(System.Windows.Forms.Panel) Then
For Each subCtrl As Control In ctrl.Controls
If subCtrl.GetType Is GetType(System.Windows.Forms.TextBox) Then
If subCtrl.GetType Is ...