程序源码：
Dim A(5) As String
Private Sub Combo1_click()
A(5) = Combo1.Text
End Sub
Private Sub Command1_Click()
CB A(5), Form1
End Sub
Private Sub Form_Load()
Dim i As Integer
A(1) = "红色"
A(2) = "黑色"
A(3) = "黄色"
A(4) = "蓝色"
For i = 1 To 4
Combo1.AddItem A(i)
Next i
End Sub
Sub CB(Ys As String, Co As Object)
If TypeOf Co Is Form Then
Select Case Ys
Case "红色"
Co.BackColor = RGB(255, 0, 0)
Case "黄色"
Co.BackColor = RGB(255, 255, 0)
Case "绿色"
Co.BackColor = RGB(0, 255, 0)
Case "蓝色"
Co.BackColor = RGB(0, 0, 255)
Case Else
MsgBox "无颜色，请选择", vbOKOnly, "提示"
End Select
End If
End Sub
![[VB.NET]谁能把这个VB6的程序变成VB.NET?](http://www.zhzx123.com/VB.NET_03.gif)
