Dim AcadApp As AcadApplication

Private Sub Command1_Click()
Dim circleObj As AcadCircle
Dim centerpoint(0 To 2) As Double
Dim radius As Double
centerpoint(0) = 0: centerpoint(1) = 0: centerpoint(2) = 0
radius = Val(Text1.Text) / 2
Set circleObj = AcadApp.ActiveDocument.ModelSpace.AddCircle(centerpoint, radius)
ZoomAll
centerpoint(0) = 0: centerpoint(1) = 0: centerpoint(2) = 0
radius = Val(Text2.Text) / 2
Set circleObj = AcadApp.ActiveDocument.ModelSpace.AddCircle(centerpoint, radius)
ZoomAll
Dim lineObj As AcadLine
Dim Startpoint(0 To 2) As Double
Dim Endpoint(0 To 2) As Double
Startpoint(0) = 600: Startpoint(1) = 0: Startpoint(2) = 0
Endpoint(0) = 600: Endpoint(1) = Val(Text1.Text) / 2: Endpoint(2) = 0:
Set lineObj = AcadApp.ActiveDocument.ModelSpace.AddLine(Startpoint, Endpoint)
ZoomAll
Startpoint(0) = 600: Startpoint(1) = Val(Text1.Text) / 2: Startpoint(2) = 0
Endpoint(0) = 600 + Val(Text5.Text): Endpoint(1) = Val(Text1.Text) / 2: Endpoint(2) = 0:
Set lineObj = AcadApp.ActiveDocument.ModelSpace.AddLine(Startpoint, Endpoint)
ZoomAll
Startpoint(0) = 600 + Val(Text5.Text): Endpoint(1) = Val(Text1.Text) / 2: Endpoint(2) = 0:
Endpoint(0) = 600 + Val(Text5.Text): Endpoint(1) = -Val(Text1.Text) / 2: Endpoint(2) = 0:
Set lineObj = AcadApp.ActiveDocument.ModelSpace.AddLine(Startpoint, Endpoint)
ZoomAll
Startpoint(0) = 600: Startpoint(1) = 0: Startpoint(2) = 0
Endpoint(0) = 600: Endpoint(1) = -Val(Text1.Text) / 2: Endpoint(2) = 0:
Set lineObj = AcadApp.ActiveDocument.ModelSpace.AddLine(Startpoint, Endpoint)
ZoomAll
Startpoint(0) = 600: Endpoint(1) = -Val(Text1.Text) / 2: Endpoint(2) = 0:
Endpoint(0) = 600 + Val(Text5.Text): Endpoint(1) = -Val(Text1.Text) / 2: Endpoint(2) = 0:
Set lineObj = AcadApp.ActiveDocument.ModelSpace.AddLine(Startpoint, Endpoint)
ZoomAll
End Sub

Private Sub Form_Load()
On Error Resume Next
Set AcadApp = GetObject(, "AutoCAD.Application")
If Err Then
Err.Clear
Set AcadApp = CreateObject("AutoCAD.Application")
If Err Then
MsgBox ("不能运行AutoCAD 2007,请检查是否安装了AutoCAD 2007")
Exit Sub
End If
End If
AcadApp.Visible = True
End Sub
有点长，请耐心看看

好嘞，嘿嘿，谢谢师傅，，，，，这样的，，我想画一个矩形，但是在画最后一条线的时候怎么都画不上，坐标没问题，画的线总是和我画那个矩形的起始画点连接

师傅，你没听明白我的意思，我的控件布置界面是这样的 然后就开始画 上面有我画的顺序，矩形下面红色那部分是我想画的那条线

这是我想要的

师傅，求你帮我看看吧，谢谢啦

我也是服了我自己了~~~~~我也是醉了，，，不过师傅，我还有个问题不会还想让你帮我解答一下~~~~ 这个计算结果明显是错误的，可是代码也正确啊，是精确度有问题么？应该怎么弄呢？

Private Sub Command1_Click()
D = Val(Text7.Text)
P0 = 1.18 / D ^ 0.5
Text4.Text = P0
End Sub

Private Sub Command2_Click()
Text4.Text = ""
Text7.Text = ""
End Sub