[VB.NET]如何生成密码字典呢?

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如何生成密码字典呢?
例如我已知密码字符范围是:0,1,2,3,4,5,6,7,8,9
并且已知要生成的密码长度必须是6位,就是产生所有六位字符的所有可能组合出来.我该如何做呢?
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最近密码组合、图片颜色识别的问题多起来了。
网上这样的例子很多。
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For i As Integer = 0 To 999999
Text = i.ToString( D6 )
Exit For 测试用
Next i
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mark
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