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GetUpperBound

🟢 VB.NET
投稿日: 2026年4月18日9:36 
Dim arr() As Integer = {10, 20, 30, 40, 50}
' 上限は 4 (要素数は 5)
Dim lastIndex As Integer = arr.GetUpperBound(0) 

For i As Integer = 0 To arr.GetUpperBound(0)
    Console.WriteLine(arr(i))
Next
.NET　C#も同じ

多次元配列対応:
array.GetUpperBound(0) は1次元目、
array.GetUpperBound(1) は2次元目の上限を返す。
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