Example :

VB Code:
  1. Private Sub Command1_Click()
  2.     Dim aButtons(2) As String
  3.     aButtons(0) = "Go"
  4.     aButtons(1) = "Come"
  5.     aButtons(2) = "???"
  6.  
  7.     Caption = aButtons(MsgBoxEx("Text" & vbCrLf & "More Text" & vbCrLf & "Even More Text", vbCustom, "Title", , , aButtons, aButtons(1), 0, 0, 200, 300, vbWhite, vbBlue))
  8. End Sub