An integer expression that specifies bitwise file attributes. The Dir function only returns files or directories that match the specified attributes. You can combine several attributes by adding the attribute values: 0 :
用于指定按位文件属性的任意整数表达式。Dir 函数只返回与指定属性相匹配的文件或目录。通过将属性值相加，可以将多个属性组合起来：