form1.frm

使用ＭＯ开发的很多小例子

VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "mscomctl.ocx"
Object = "{9BD6A640-CE75-11D1-AF04-204C4F4F5020}#2.0#0"; "mo20.ocx"
Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "COMDLG32.OCX"
Object = "{3B7C8863-D78F-101B-B9B5-04021C009402}#1.2#0"; "RICHTX32.OCX"
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3120
   ClientLeft      =   165
   ClientTop       =   825
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3120
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin RichTextLib.RichTextBox RichTextBox1 
      Height          =   975
      Left            =   360
      TabIndex        =   13
      Top             =   6480
      Width           =   1575
      _ExtentX        =   2778
      _ExtentY        =   1720
      _Version        =   393217
      Enabled         =   -1  'True
      TextRTF         =   $"Form1.frx":0000
   End
   Begin VB.CommandButton Command8 
      Caption         =   "图层不可见"
      Height          =   495
      Left            =   6960
      TabIndex        =   12
      Top             =   5760
      Width           =   1215
   End
   Begin VB.CommandButton Command7 
      Caption         =   "图层可见"
      Height          =   495
      Left            =   5760
      TabIndex        =   11
      Top             =   5760
      Width           =   1095
   End
   Begin MSComctlLib.StatusBar StatusBar1 
      Align           =   2  'Align Bottom
      Height          =   1215
      Left            =   0
      TabIndex        =   10
      Top             =   1905
      Width           =   4680
      _ExtentX        =   8255
      _ExtentY        =   2143
      _Version        =   393216
      BeginProperty Panels {8E3867A5-8586-11D1-B16A-00C0F0283628} 
         NumPanels       =   3
         BeginProperty Panel1 {8E3867AB-8586-11D1-B16A-00C0F0283628} 
         EndProperty
         BeginProperty Panel2 {8E3867AB-8586-11D1-B16A-00C0F0283628} 
         EndProperty
         BeginProperty Panel3 {8E3867AB-8586-11D1-B16A-00C0F0283628} 
         EndProperty
      EndProperty
   End
   Begin MapObjects2.Map Map1 
      Height          =   5055
      Left            =   120
      TabIndex        =   9
      Top             =   600
      Width           =   4935
      _Version        =   131072
      _ExtentX        =   8705
      _ExtentY        =   8916
      _StockProps     =   225
      BackColor       =   16777215
      BorderStyle     =   1
      Contents        =   "Form1.frx":008F
   End
   Begin MSComDlg.CommonDialog CommonDialog1 
      Left            =   2400
      Top             =   1920
      _ExtentX        =   847
      _ExtentY        =   847
      _Version        =   393216
   End
   Begin VB.CommandButton Command5 
      Caption         =   "删除"
      Height          =   495
      Left            =   4560
      TabIndex        =   8
      Top             =   5760
      Width           =   975
   End
   Begin VB.CommandButton Command4 
      Caption         =   "置底"
      Height          =   495
      Left            =   3360
      TabIndex        =   7
      Top             =   5760
      Width           =   975
   End
   Begin VB.CommandButton Command3 
      Caption         =   "置顶"
      Height          =   495
      Left            =   2280
      TabIndex        =   6
      Top             =   5760
      Width           =   855
   End
   Begin VB.CommandButton Command2 
      Caption         =   "下"
      Height          =   495
      Left            =   1200
      TabIndex        =   5
      Top             =   5760
      Width           =   735
   End
   Begin VB.CommandButton Command1 
      Caption         =   "上"
      Height          =   375
      Left            =   240
      TabIndex        =   4
      Top             =   5880
      Width           =   735
   End
   Begin MSComctlLib.ListView ListView1 
      Height          =   4935
      Left            =   8160
      TabIndex        =   3
      Top             =   720
      Width           =   2655
      _ExtentX        =   4683
      _ExtentY        =   8705
      View            =   3
      LabelWrap       =   -1  'True
      HideSelection   =   -1  'True
      _Version        =   393217
      ForeColor       =   -2147483640
      BackColor       =   -2147483643
      BorderStyle     =   1
      Appearance      =   1
      NumItems        =   2
      BeginProperty ColumnHeader(1) {BDD1F052-858B-11D1-B16A-00C0F0283628} 
         Text            =   "field"
         Object.Width           =   2540
      EndProperty
      BeginProperty ColumnHeader(2) {BDD1F052-858B-11D1-B16A-00C0F0283628} 
         SubItemIndex    =   1
         Text            =   "value"
         Object.Width           =   2540
      EndProperty
   End
   Begin VB.ListBox List1 
      Height          =   2400
      Left            =   5400
      TabIndex        =   2
      Top             =   720
      Width           =   2415
   End
   Begin MapObjects2.Map Map2 
      Height          =   2175
      Left            =   5400
      TabIndex        =   1
      Top             =   3480
      Width           =   2415
      _Version        =   131072
      _ExtentX        =   4260
      _ExtentY        =   3836
      _StockProps     =   225
      BackColor       =   16777215
      BorderStyle     =   1
      Contents        =   "Form1.frx":00A9
   End
   Begin MSComctlLib.ImageList ImageList1 
      Left            =   960
      Top             =   1920
      _ExtentX        =   1005
      _ExtentY        =   1005
      BackColor       =   -2147483643
      ImageWidth      =   16
      ImageHeight     =   16
      MaskColor       =   12632256
      _Version        =   393216
      BeginProperty Images {2C247F25-8591-11D1-B16A-00C0F0283628} 
         NumListImages   =   5
         BeginProperty ListImage1 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "Form1.frx":00C3
            Key             =   ""
         EndProperty
         BeginProperty ListImage2 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "Form1.frx":01D5
            Key             =   ""
         EndProperty
         BeginProperty ListImage3 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "Form1.frx":02E7
            Key             =   ""
         EndProperty
         BeginProperty ListImage4 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "Form1.frx":03F9
            Key             =   ""
         EndProperty
         BeginProperty ListImage5 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "Form1.frx":050B
            Key             =   ""
         EndProperty
      EndProperty
   End
   Begin MSComctlLib.Toolbar Toolbar1 
      Align           =   1  'Align Top
      Height          =   420
      Left            =   0
      TabIndex        =   0
      Top             =   0
      Width           =   4680
      _ExtentX        =   8255
      _ExtentY        =   741
      ButtonWidth     =   609
      ButtonHeight    =   582
      Appearance      =   1
      ImageList       =   "ImageList1"
      _Version        =   393216
      BeginProperty Buttons {66833FE8-8583-11D1-B16A-00C0F0283628} 
         NumButtons      =   5
         BeginProperty Button1 {66833FEA-8583-11D1-B16A-00C0F0283628} 
            ImageIndex      =   1
         EndProperty
         BeginProperty Button2 {66833FEA-8583-11D1-B16A-00C0F0283628} 
            ImageIndex      =   2
         EndProperty
         BeginProperty Button3 {66833FEA-8583-11D1-B16A-00C0F0283628} 
            ImageIndex      =   3
         EndProperty
         BeginProperty Button4 {66833FEA-8583-11D1-B16A-00C0F0283628} 
            ImageIndex      =   4
         EndProperty
         BeginProperty Button5 {66833FEA-8583-11D1-B16A-00C0F0283628} 
            ImageIndex      =   5
         EndProperty
      EndProperty
   End
   Begin VB.Menu file 
      Caption         =   "文件"
      Begin VB.Menu open 
         Caption         =   "打开"
      End
      Begin VB.Menu save 
         Caption         =   "保存"
      End
      Begin VB.Menu exit 
         Caption         =   "退出"
      End
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim c As Integer

Sub addlyrname()
Dim i As Integer
Dim lyr As MapLayer
List1.Clear
For i = 0 To Map1.Layers.Count - 1
  Set lyr = Map1.Layers(i)
  List1.AddItem lyr.name
Next i
End Sub

Private Sub Command1_Click()
  If List1.ListIndex > 0 Then
    Map1.Layers.MoveTo List1.ListIndex, List1.ListIndex - 1
   Map1.Refresh
   Call addlyrname
  End If
End Sub

Private Sub Command2_Click()
  If List1.ListIndex >= 0 And List1.ListIndex < Map1.Layers.Count - 1 Then
    Map1.Layers.MoveTo List1.ListIndex, List1.ListIndex + 1
     Map1.Refresh
   Call addlyrname
  End If
End Sub

Private Sub Command3_Click()
 If List1.ListIndex > 0 Then
    Map1.Layers.MoveToTop List1.ListIndex
     Map1.Refresh
   Call addlyrname
  End If
End Sub

Private Sub Command4_Click()
  If List1.ListIndex >= 0 And List1.ListIndex < Map1.Layers.Count - 1 Then
    Map1.Layers.MoveToBottom List1.ListIndex
    Map1.Refresh
   Call addlyrname
  End If
End Sub

Private Sub Command5_Click()
If List1.ListIndex > 0 Then
    Map1.Layers.Remove List1.ListIndex
     Map1.Refresh
   Call addlyrname
  End If
End Sub

Private Sub Form_Load()
 Map1.Refresh
   Call addlyrname
End Sub

Private Sub Command6_Click()
CommonDialog1.Filter = "shapfile.|*.shp"
CommonDialog1.ShowOpen
Dim dc As New DataConnection
Dim name As String
name = Left(CommonDialog1.FileTitle, Len(CommonDialog1.FileTitle) - 4)
      dc.Database = CurDir
Dim layer As New MapLayer
Set layer.GeoDataset = dc.FindGeoDataset(name)
Map2.Layers.Add layer
Map1.Layers.Add layer
Map1.Refresh
Map2.Refresh


End Sub

Private Sub Command7_Click()
Map1.Visible = True
Map2.Visible = True
End Sub

Private Sub Command8_Click()
 Map1.Visible = False
 Map2.Visible = False
End Sub


Private Sub Map2_AfterTrackingLayerDraw(ByVal hDC As stdole.OLE_HANDLE)
Dim object As MapObjects2.Rectangle
Dim objsym As New MapObjects2.Symbol
Set object = Map1.Extent
With objsym
.Outline = True
.OutlineColor = vbBlue
.Style = moTransparentFill
.Style = moTransparentFill
End With
Map2.DrawShape object, objsym
Set object = Nothing
Set objsym = Nothing
End Sub

Private Sub Map2_MouseDown(Button As Integer, Shift As Integer, x As Single, y As Single)
Dim object As MapObjects2.Rectangle
Set object = Map2.TrackRectangle
If object.Width > 1 And object.Height > 1 Then
  Set Map1.Extent = object
Map1.Refresh
Else: Map1.CenterAt object.Center.x, object.Center.y
End If
Set object = Nothing
End Sub


Private Sub Map1_AfterTrackingLayerDraw(ByVal hDC As stdole.OLE_HANDLE)
Map2.Refresh
End Sub


Private Sub open_Click()
Dim dc As New DataConnection
Dim strp As Integer
Dim p As Integer
Dim j As Integer, i As Integer
Dim FileName As String
Dim FileNames() As String
CommonDialog1.Filter = "shapfile1.|*.shp"
CommonDialog1.Flags = cdlOFNAllowMultiselect Or cdlOFNExplorer
CommonDialog1.ShowOpen
If Len(CommonDialog1.FileName) > 0 Then
    dc.Database = CurDir
    strp = 1
    p = InStr(strp, CommonDialog1.FileName, Chr(0))
If p = 0 Then '导入一个文件
    Set layer = New MapLayer
    Dim name As String
    name = Left(CommonDialog1.FileTitle, Len(CommonDialog1.FileTitle) - 4)
    Set layer.GeoDataset = dc.FindGeoDataset(name)
    Map1.Layers.Add layer
    Map2.Layers.Add layer
        
Else '导入多个文件
    CommonDialog1.FileName = CommonDialog1.FileName & Chr(0)
    strp = 1
    j = 0
    For i = 1 To Len(CommonDialog1.FileName)
        i = InStr(strp, CommonDialog1.FileName, Chr(0))
        If i = 0 Then Exit For
        ReDim Preserve FileNames(i)
        FileNames(j) = Mid(CommonDialog1.FileName, strp, i - strp)
        strp = i + 1
        j = j + 1
    Next
    For i = 1 To j - 1
        FileName = FileNames(i)
        Set layer = New MapLayer
        name = Left(FileName, Len(FileName) - 4)
        Set layer.GeoDataset = dc.FindGeoDataset(name)
        Map1.Layers.Add layer
        Map2.Layers.Add layer
        Next i
End If
End If
Call addlyrname
End Sub

Private Sub save_Click()
CommonDialog1.ShowSave
RichTextBox1.SaveFile CommonDialog1.FileName
End Sub
Private Sub exit_Click()
End
End Sub



Private Sub Map1_MouseMove(Button As Integer, Shift As Integer, x As Single, y As Single)
Dim pt As New MapObjects2.Point
Set pt = Map1.ToMapPoint(x, y)
StatusBar1.Panels(2).Text = "x=" & pt.x
StatusBar1.Panels(3).Text = "y=" & pt.y
End Sub


Private Sub Map2_MouseMove(Button As Integer, Shift As Integer, x As Single, y As Single)
Dim pt As New MapObjects2.Point
Set pt = Map1.ToMapPoint(x, y)
StatusBar1.Panels(2).Text = "x=" & pt.x
StatusBar1.Panels(3).Text = "y=" & pt.y
End Sub

Private Sub Map1_MouseDown(Button As Integer, Shift As Integer, x As Single, y As Single)
Dim r As MapObjects2.Rectangle
If c = 5 Then
  Set r = Map1.TrackRectangle
  If r.Width > 1 And r.Top > 1 Then
  Map1.Extent = r
  Else
  Set r = Map1.Extent
  r.ScaleRectangle 0.5
  Map1.Extent = r

  End If
ElseIf c = 1 Then
Set r = Map1.Extent
r.ScaleRectangle 1.5
Map1.Extent = r
ElseIf c = 3 Then
Map1.Pan
ElseIf c = 2 Then
Call showarr(x, y)
ElseIf c = 4 Then
Map1.Extent = Map1.FullExtent
Map2.Extent = Map1.FullExtent
End If
End Sub
Private Sub showarr(x As Single, y As Single)
Dim objpnt As MapObjects2.Point
Dim i As Integer
Dim objmors As MapObjects2.Recordset
Dim objlyr As MapObjects2.MapLayer
Dim obj As Object
Dim objtds As MapObjects2.TableDesc
Dim objitem As ListItem
Dim strkey As String
Set objpnt = Map1.ToMapPoint(x, y)
Set objlyr = Map1.Layers(0)
Set objmors = objlyr.SearchShape(objpnt, moAreaIntersect, "")
Set obj = objmors.Fields("shape").Value
Map1.FlashShape obj, 2
ListView1.ListItems.Clear
Set objtds = objmors.TableDesc
For i = 0 To objtds.FieldCount - 1
strkey = objtds.FieldName(i)
Set objitem = ListView1.ListItems.Add(, strkey, strkey)
objitem.SubItems(1) = objmors.Fields(strkey).ValueAsString
Next i
End Sub


Private Sub Toolbar1_ButtonClick(ByVal Button As MSComctlLib.Button)
If Button.Index = 1 Then
Map1.MousePointer = moZoomOut
c = 1
ElseIf Button.Index = 5 Then
Map1.MousePointer = moZoomIn
c = 5
ElseIf Button.Index = 3 Then
Map1.MousePointer = moPan
c = 3
ElseIf Button.Index = 2 Then
Map1.MousePointer = moCross
c = 2
ElseIf Button.Index = 4 Then
c = 4
End If
End Sub