vb.net物料平衡程序的简单介绍

vb.net编程，急~~

我打开vb2005，给你编了一个，运行通过了，按回车重复执行，按其他键退出，代码如下:

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Sub Main()

Randomize()

Do

Dim i As Integer = 10

Dim a(i - 1) As Integer

For j As Integer = 0 To i - 1

a(j) = CRND(300, 400)

Console.WriteLine(a(j).ToString)

Next

Dim mina As Integer = ProcMin(a)

Console.WriteLine(String.Format("最小值：{0}", mina))

Loop While Console.ReadKey.KeyChar = Chr(13)

End Sub

'产生随机数

Private Function CRND(ByVal min As Int32, ByVal max As Int32) As Int32

If max min Then Return min

Return CInt(Int((max - min + 1) * Rnd() + min))

End Function

'获取数组里的最小值

Private Function ProcMin(ByVal a() As Int32) As Int32

Dim tmp As Integer = Int32.MaxValue

For i As Integer = 0 To a.Length - 1

If tmp a(i) Then tmp = a(i)

Next

Return tmp

End Function

怎么用VB.NET调用指定的lisp程序

假如指定的lisp程序存入"e:\abcd.lsp"，其中有函数gczd4-1带有三个参数即(gczd4-1 X1 X2 X3)和命令cc，则VB.NET调用程序如下：

Dim AcadApp As Object

Dim AcadDoc As Object

AcadApp = GetObject(, "AutoCAD.Application")

AcadDoc = AcadApp.ActiveDocument

AcadDoc.SendCommand("(load " Chr(34) "e:\\abcd.lsp" Chr(34) ") ")

AcadDoc.SendCommand("(gczd4-1 " Chr(34) X1 Chr(34) Chr(34) X2 Chr(34) Chr(34) X3 Chr(34) ") ")

AcadDoc.SendCommand("(c:cc) ")

AcadDoc = Nothing

AcadApp = Nothing

跪求vb.net代码

新建窗口，添加picture控件

利用line()方法画线

line(开始x坐标,开始y坐标)-(结束x坐标,结束y坐标),线的颜色，画线的方式(默认为线，B为矩形无填充，BF为填充的矩形)

For i = 1 To 16

Picture1.Line (0, Picture1.Height / 2)-(i * (Picture1.Width / 16), 0), RGB(255, 0, 0)

Picture1.Line (0, Picture1.Height / 2)-(i * (Picture1.Width / 16), Picture1.Height), RGB(255, 0, 0)

Picture1.Line (Picture1.Width, Picture1.Height / 2)-(i * (Picture1.Width / 16), 0), RGB(0, 255, 0)

Picture1.Line (Picture1.Width, Picture1.Height / 2)-(i * (Picture1.Width / 16), Picture1.Height), RGB(0, 255, 0)

Next i

如果要在窗口上画也可以调用窗口的line方法即form.line()

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