1: Case "toolMuline"
2: Select Case e.ToolStatus
3: Case MapInfo.Tools.ToolStatus.Start
4: '========================= 创建临时图层
5: Dim tblTemp As Table = MapInfo.Engine.Session.Current.Catalog.GetTable("lyrmuline")
6: If Not tblTemp Is Nothing Then
7: CloseLayer("lyrmuline")
8: CloseLayer("labelmuline")
9: End If
10: Dim pt As DPoint = e.MapCoordinate
11: Dim lyrfilter As IMapLayerFilter = MapLayerFilterFactory.FilterForTools(MapControl1.Map, MapLayerFilterFactory.FilterByLayerType(LayerType.Normal), MapLayerFilterFactory.FilterVisibleLayers(True), "MapInfo.Tools.MapToolsDefault.SelectLayers", Nothing)
12: Dim tableEnum As ITableEnumerator = MapControl1.Map.Layers.GetTableEnumerator(lyrfilter)
13: If lyrfilter Is Nothing Then Return
14: Dim mrfc As MultiResultSetFeatureCollection = Nothing
15: Dim si As SearchInfo = Nothing
16: Try
17: Dim dist As Distance = MapInfo.Mapping.SearchInfoFactory.ScreenToMapDistance(Me.MapControl1.Map, 5)
18: si = MapInfo.Data.SearchInfoFactory.SearchNearest(pt, MapControl1.Map.GetDisplayCoordSys(), dist)
19: CType(si.SearchResultProcessor, ClosestSearchResultProcessor).DistanceUnit = dist.Unit
20: CType(si.SearchResultProcessor, ClosestSearchResultProcessor).MaxDistance = dist.Value
21: CType(si.SearchResultProcessor, ClosestSearchResultProcessor).Options = ClosestSearchOptions.StopAtFirstMatch
22: si.QueryDefinition.Columns = Nothing
23: mrfc = Session.Current.Catalog.Search(tableEnum, si)
24: Catch ex As Exception
25: MsgBox("查询过程出现错误！")
26: mrfc = Nothing
27: tableEnum = Nothing
28: lyrfilter = Nothing
29: 'dist = Nothing
30: tblTemp = Nothing
31: End Try
32: If mrfc Is Nothing Then Return
33: If mrfc.Count > 0 Then
34: Dim resEnum = mrfc.GetEnumerator()
35: While (resEnum.MoveNext)
36: Dim irfc As IResultSetFeatureCollection = CType(resEnum.Current, IResultSetFeatureCollection)
37: Dim ftrEnum As IFeatureEnumerator = irfc.GetFeatureEnumerator()
38: While ftrEnum.MoveNext
39: Dim ftr As Feature = CType(ftrEnum.Current, Feature)
40: If ftr.Table.Alias.IndexOf(key.Substring(0, 5)) > -1 Then
41: Dim cn As String = ftr(ftr.Columns(0).ToString).ToString
42:
43: PubFun.ConstPar.map = Me.MapControl1.Map
44:
45: Dim tbinfo As TableInfoMemTable = New TableInfoMemTable("lyrmuline")
46: tbinfo.Columns.Add(ColumnFactory.CreateFeatureGeometryColumn(Me.MapControl1.Map.GetDisplayCoordSys()))
47: tbinfo.Columns.Add(ColumnFactory.CreateStyleColumn())
48: tbinfo.Columns.Add(ColumnFactory.CreateStringColumn("Name", 20))
49: tblTemp = MapInfo.Engine.Session.Current.Catalog.CreateTable(tbinfo)
50: Dim lyr As FeatureLayer = New FeatureLayer(tblTemp)
51: MapControl1.Map.Layers.Insert(0, lyr)
52:
53: '====标注图层===============
54: Dim activeLabel As String = "labelmuline"
55: Dim activeMapTable As Table = MapInfo.Engine.Session.Current.Catalog.GetTable("lyrmuline")
56: Dim lblyr As MapInfo.Mapping.LabelLayer = New MapInfo.Mapping.LabelLayer(activeLabel, activeLabel)
57:
58: Dim lblsource As MapInfo.Mapping.LabelSource = New MapInfo.Mapping.LabelSource(activeMapTable)
59: lblsource.DefaultLabelProperties.Style.Font.Name = "楷书"
60: lblsource.DefaultLabelProperties.Style.Font.Size = 12
61: lblsource.DefaultLabelProperties.Layout.Alignment = MapInfo.Text.Alignment.TopCenter
62: lblsource.DefaultLabelProperties.Layout.Offset = 2
63: lblsource.DefaultLabelProperties.Style.Font.ForeColor = Color.Red
64: lblsource.DefaultLabelProperties.Style.Font.BackColor = Color.Transparent
65: lblsource.DefaultLabelProperties.Style.Font.Shadow = True
66: lblsource.DefaultLabelProperties.Caption = "Name"
67: lblyr.Sources.Append(lblsource)
68: MapControl1.Map.Layers.Add(lblyr)
69: '==========================================
70: PubFun.ConMap.CreateMultine("lyrmuline", ftr.Geometry.Centroid.x, ftr.Geometry.Centroid.y, ftr("LAC_CI").ToString, ftr("N1_LAC_CI").ToString, ftr("N2_LAC_CI").ToString, ftr("N3_LAC_CI").ToString, ftr("N4_LAC_CI").ToString, ftr("N5_LAC_CI").ToString, ftr("N6_LAC_CI").ToString, ftr("RxLev").ToString, ftr("N1_RxLev").ToString, ftr("N2_RxLev").ToString, ftr("N3_RxLev").ToString, ftr("N4_RxLev").ToString, ftr("N5_RxLev").ToString, ftr("N6_RxLev").ToString)
71: End If
72: irfc.Close()
73: mrfc.Clear()
74: ftrEnum = Nothing
75: resEnum = Nothing
76: irfc = Nothing
77: mrfc = Nothing
78: tableEnum = Nothing
79: lyrfilter = Nothing
80: si = Nothing
81: tblTemp = Nothing
82: End While
83: End While
84: Else
85: mrfc = Nothing
86: tableEnum = Nothing
87: lyrfilter = Nothing
88: 'dist = Nothing
89: tblTemp = Nothing
90: si = Nothing
91:
92: End If
93: MapControl1.Refresh()
94: Exit Select
95: End Select
96:
97: Exit Select