[英]vb.net: how do I add a vb.net form as an attachment to an existing program?
[英]How do i add to a simple array in vb.net
如果我有
Dim a As String() = ("One,Two").Split(",")
如何添加到该字符串?
最简单的方法是将其转换为列表,然后添加。
Dim a As List(Of String) = ("One,Two").Split(",").ToList
a.Add("Three")
或者如果您真的想保留一个数组。
Dim a As String() = ("One,Two").Split(",")
Dim b as List(Of String) = a.ToList
b.Add("Three")
a=b.ToArray
这实际上是框外的东西:
a = (String.Join(",", a) & ",Three").Split(",")
对于其他方法,请尝试:
Dim a As String() = ("One,Two").Split(CChar(","))
Debug.Print(CStr(UBound(a)))
ReDim Preserve a(9)
Debug.Print(CStr(UBound(a)))
即时窗口的输出为:
1
9
注意:由于我始终使用Option Strict On
不允许使用隐式转换),因此我不得不稍微更改您的原始行。
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