Private Sub Command1_Click()
Dim S As String
Dim I As Long
Dim k As Long
Dim result As String
Dim a As Long
Dim b As Long
I = 0
S = "*"
Do While I <= 4
result = ""
If I = 0 Then
For k = 1 To (10 - 2 * I)
result = result & S
Next k
Print result
Else
For k = 1 To (10 - 2 * I) / 2
result = result & S
Next k
For a = 1 To 2 * I
result = result & " "
Next a
For b = 1 To (10 - 2 * I) / 2
result = result & S
Next b
Print result
End If