vb.net重制数组长度 vbnet数组操作

VB中如何重置数组

用Redim语句可以更改数组大小，如

Redim a(10)

将a的长度改为10

相关问答

Q1: VB.NET如何对已赋值的数组重新赋值？

可以用redim，清空原数组内容后重新定义大小：

ReDim Examples(4)

Examples(0) = "a"

Examples(1) = "b"

Examples(2) = "c"

Examples(3) = "d"

Examples(4) = "e"

Q2: vb.net 如何在结构体内设定定长数组

结构体无法初始化值，你可以用类实现，或者写一个构造函数，把值传进去。

Public Structure wheelmodel

Public ID As Short

Public swapway() As Short

Public start As Short

Public Sub New(ByVal Size As UShort) 'Size就是传入的数组的大小

swapway = New Short(Size) {}

End Sub

End Structure

调用的时候：

Dim x As wheelmodel = New wheelmodel(10)

Q3: 在VB.net中数组怎么动态设置大小

用排序就好了, 分别取出首尾6个元素

dim arr()

'''''''

redim arr(5)

arr(0) = 100

arr(1) = 435

arr(2) = 800

arr(3) = 220

arr(4) = 50

arr(5) = 999

Dim x, y, b, tmp

for y = 0 to ubound(arr)

b = true

for x = 0 to ubound(arr) - 1

if arr(x) arr(x+1) then

tmp = arr(x)

arr(x) = arr(x+1)

arr(x+1) = tmp

b = false

end if

next

if b then exit for

next

dim content

for each x in arr

content = content x chr(13)

next

content = content "min-" arr(0) " - " arr(1) " - " arr(2) chr(13)

content = content "max-" arr(ubound(arr)) " - "

arr(ubound(arr) - 1) " - " arr(ubound(arr) - 2)

chr(13)

msgbox content

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