从具有简单条件的数组中选择

Dim sites() As String = {"Stack Overflow", "Super User", "Ask Ubuntu", "Hardware   Recommendations"}
Dim query = From x In sites Where x.StartsWith("S")
' result = "Stack Overflow", "Super User"

查询将是包含 Stack Overflow 和 Super User 的可枚举对象。查询中的 x 是迭代变量，其中将存储 Where 子句检查的每个对象。