关于vb生成word的问题，各位大侠帮帮忙 - VB / 基础类

最近刚接触vb，用vb写了一个东东，是用vb生成一个word文档，下了一个例子，可是把例子的代码copy到我自己建的工程中就报user-defined type not defined，
各位大侠这是怎么回事呢？难道在新建的工程中还要添加控件之类的东西吗?vb新手，请不要见笑

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user-defined type not defined----自定义类型没定义.变量名使用问题

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引用word了吗？
将出错的代码贴出来啊

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真接考当然不能用，要在工程，引用，里添上microsoft word libary

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ningweidong你说的那个microsoft word libary我的机子上怎么找不到？全称是这个吗？还是microsoft word 文档？

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工程--引用
Microsoft Word 11.0 Object Libraryy -----office 2003
Microsoft Word 12.0 Object Libraryy -----offece 2007

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VB code:

Option Explicit
Dim wd As New Word.Application
Dim wd0 As New Word.Application
Dim wddoc As Word.ActiveDocument
Dim wdpg As Word.PageSetup

Dim wshp As Word.Shape
Dim px As Word.Paragraph



Private Sub Command1_Click()
wd0.Documents.Add
With wd0
.Selection.TypeText Text:="题目"
.Selection.HomeKey Unit:=wdLine, Extend:=wdExtend
.Selection.Font.Name = "宋体"
.Selection.Font.Size = 18
.Selection.Font.Bold = wdToggle
.Selection.ParagraphFormat.Alignment = wdAlignParagraphCenter
End With
wd.Documents.Add
Set wddoc = wd.ActiveDocument
Set wdpg = wddoc.PageSetup
wdpg.PaperSize = wdPaperA4 '7 A3=6

With wddo