why not just do this....
VB Code:
  1. [Color=Blue]Dim[/color] tab [Color=Blue]As[/color] TabPage

  2.         [Color=Blue]For[/color] [Color=Blue]Each[/color] tab [Color=Blue]In[/color] TabControl1.TabPages

  3.             TabControl1.TabPages.Remove(tab)

  4.         [Color=Blue]Next[/color]