VBA+AO入门50例完全注释版

<P>网上下的码，自己加的注。</P>
<P>初学，瞎搞，不好，见笑。</P>
<P>和跟我一样的初学者探讨一下怎么入门最快最好，为中国GIS教育事业添一根小火柴</P>
<P>1.<BR>Sub MyMacro()<BR>    Dim pMxDocument As IMxDocument    '地图文档<BR>    Set pMxDocument = Application.Document    '获取当前应用程序的文档    <BR>    MsgBox pMxDocument.FocusMap.Name    '显示当前地图的名称<BR>End Sub</P>
<P><BR>2.<BR>Sub MyMacro()<BR>    Dim pMxDocument As IMxDocument    '地图文档<BR>    Dim pMaps As IMaps    '地图集<BR>    Dim pMap As IMap    '地图<BR>    Set pMxDocument = Application.Document    '获取当前应用程序的文档<BR>    Set pMaps = pMxDocument.Maps    '获取当前地图文档的地图集<BR>    If pMaps.Count > 1 Then    '如果该地图集的地图数大于1<BR>        Set pMap = pMaps.Item(1)    '获取该地图集中的第一幅地图<BR>        MsgBox pMap.Name    '显示该地图的名称<BR>    End If<BR>End Sub</P>
<P><BR>3.<BR>Sub MyMacro()<BR>    Dim pMxDocument As IMxDocument    '地图文档<BR>    Dim pMap As IMap    '地图<BR>    Dim lCount As Long<BR>    Dim lIndex As Long<BR>    Set pMxDocument = Application.Document    '获取当前应用程序的文档<BR>    Set pMap = pMxDocument.FocusMap    '获取当前地图<BR>    lCount = 0<BR>    For lIndex = 0 To (pMap.LayerCount - 1)<BR>        If TypeOf pMap.Layer(lIndex) Is IFeatureLayer Then    '如果当前地图的第lIndex层的类型是IFeatureLayer<BR>            lCount = lCount + 1    '计数器加1<BR>        End If<BR>    Next lIndex<BR>    MsgBox "Number of the feature layers " ; _<BR>    "in the active map: " ; lCount    '显示当前地图的要素层的总数<BR>End Sub</P>
<P><BR>4.<BR>Sub MyMacro()<BR>    Dim pMxDocument As IMxDocument    '获取当前应用程序的文档<BR>    Dim pMaps As IMaps    '地图集<BR>    Dim pMap As IMap    '地图<BR>    On Error GoTo SUB_ERROR    '错误处理<BR>    Set pMxDocument = Application.Document    '获取当前应用程序的文档<BR>    Set pMaps = pMxDocument.Maps    '获取当前地图文档的地图集<BR>    Set pMap = pMaps.Item(1)    '获取该地图集中的第一幅地图<BR>    MsgBox pMap.Name    '显示该地图的名称<BR>    Exit Sub<BR>SUB_ERROR:    '行标签<BR>    MsgBox "Error: " ; Err.Number ; "-" ; Err.Description    '显示错误数和错误信息<BR>End Sub</P>
<P><BR>5.<BR>'是图层可视<BR>Public Sub MakeLayerVisible()<BR>  Dim pMxDocument As IMxDocument    '地图文档<BR>  Dim pMap As IMap    '地图<BR>  Dim pFeatureLayer As IFeatureLayer    '要素层<BR>  Dim pActiveView As IActiveView    '活动视图<BR>  Dim pContentsView As IContentsView    '窗口内容表<BR>  <BR>  '获取地图的第一层<BR>  Set pMxDocument = ThisDocument    '获取当前应用程序的文档<BR>  Set pMap = pMxDocument.FocusMap    '获取当前地图<BR>  Set pFeatureLayer = pMap.Layer(0)    '获取当前地图的第一层  <BR>  <BR>  '如果要素层不可见，则使其可见<BR>  If Not pFeatureLayer.Visible Then<BR>    pFeatureLayer.Visible = True<BR>  End If<BR>  <BR>  '刷新地图<BR>  Set pActiveView = pMap    '将当前地图设为活动地图<BR>  pActiveView.Refresh    '刷新<BR>  <BR>  '刷新窗口内容表<BR>  Set pContentsView = pMxDocument.CurrentContentsView    '获取当前地图文档的窗口内容表<BR>  pContentsView.Refresh pFeatureLayer    '刷新<BR>End Sub</P>
<P><BR>6.<BR>'按NAME查询要素<BR>Private Function GetCountyFeature(pFeatureLayer As IFeatureLayer, strCountyName As String) As IFeature<BR>    <BR>    '查找要素类<BR>    Dim pFeatureClass As IFeatureClass    '要素类<BR>    Dim pQueryFilter As IQueryFilter    '查询过滤器<BR>    Dim pFeatureCursor As IFeatureCursor<BR>    <BR>    Set pFeatureClass = pFeatureLayer.FeatureClass    '从要素层获取要素类<BR>    Set pQueryFilter = New QueryFilter    '创建一个新的查询过滤器<BR>    pQueryFilter.WhereClause = "NAME = '" ; strCountyName ; "'"    '按郡名查找<BR>    Set pFeatureCursor = pFeatureClass.Search (pQueryFilter, False)    '获取查询到的要素对象<BR>    <BR>    '获取要素<BR>    Dim pFeature As IFeature    '要素<BR>   <BR>    Set pFeature = pFeatureCursor.NextFeature    '获取查询结果的下一个要素<BR>    If pFeature Is Nothing Then    '如果该要素不存在    <BR>        Set GetCountyFeature = Nothing    '返回值设为空<BR>    Else<BR>        Set GetCountyFeature = pFeature    '将该要素设为返回值<BR>    End If<BR>End Function</P>
<P><BR>未完待续</P>

楼主扣门呀，咋不继续贴后面的呢？？？<img src="images/post/smile/dvbbs/em08.gif" />

<P>太感谢楼主了</P><img src="images/post/smile/dvbbs/em01.gif" />

谢谢！！！加油！！

<P>感谢楼主</P>

<P>我等！我等等等着看后续</P>

很好，lz。主持你！

<img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em02.gif" />

<P>不错 学习学习</P>

<img src="images/post/smile/dvbbs/em08.gif" />收藏了 谢谢楼主<br>