VBScript:函数返回一个数组

function PreProcessFile (sFile)

    dim deData(3)

    ''populate deData with strings

    PreProcessFile = deData

End function

调用此函数的代码因类型不匹配而出错。有什么想法吗?

'' VBScript source code
Dim m_deData(3)
set m_deData = PreProcessFile("someFile.txt")