Private Sub Command1_Click()
Dim s As String,sum As Integer
Dim i As Integer,j as Integer
s= Text1. Text
n= 0
For i=1 To Len(s)
For j=1 To Len(s)-i+1
List1. AddItem
n=n+1
Next j
Next i
List1. AddItem "总共有" + Str(n)+"个子串"
End Sub
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