form1.frm

使用ＭＯ开发的很多小例子

VERSION 5.00
Object = "{9BD6A640-CE75-11D1-AF04-204C4F4F5020}#2.0#0"; "Mo20.ocx"
Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "COMDLG32.OCX"
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3120
   ClientLeft      =   165
   ClientTop       =   855
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3120
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command10 
      Caption         =   "图层可见"
      Height          =   615
      Left            =   8880
      TabIndex        =   14
      Top             =   9840
      Width           =   1575
   End
   Begin VB.CommandButton Command9 
      Caption         =   "图层不可见"
      Height          =   615
      Left            =   6840
      TabIndex        =   13
      Top             =   9840
      Width           =   1695
   End
   Begin VB.CommandButton Command8 
      Caption         =   "删除图层"
      Height          =   615
      Left            =   4440
      TabIndex        =   12
      Top             =   9840
      Width           =   1935
   End
   Begin VB.CommandButton Command7 
      Caption         =   "置底"
      Height          =   375
      Left            =   4320
      TabIndex        =   11
      Top             =   6120
      Width           =   735
   End
   Begin VB.CommandButton Command6 
      Caption         =   "置顶"
      Height          =   375
      Left            =   4320
      TabIndex        =   10
      Top             =   5640
      Width           =   735
   End
   Begin VB.CommandButton Command5 
      Caption         =   "加图层"
      Height          =   375
      Left            =   4320
      TabIndex        =   9
      Top             =   5160
      Width           =   735
   End
   Begin VB.CommandButton Command4 
      Caption         =   "删除"
      Height          =   375
      Left            =   4320
      TabIndex        =   8
      Top             =   4680
      Width           =   735
   End
   Begin VB.CommandButton Command3 
      Caption         =   "下"
      Height          =   375
      Left            =   4320
      TabIndex        =   7
      Top             =   4200
      Width           =   735
   End
   Begin VB.CommandButton Command2 
      Caption         =   "上"
      Height          =   375
      Left            =   4320
      TabIndex        =   6
      Top             =   3720
      Width           =   735
   End
   Begin VB.ListBox List1 
      Height          =   1680
      Left            =   4200
      TabIndex        =   5
      Top             =   1920
      Width           =   975
   End
   Begin VB.CommandButton Command1 
      Caption         =   "数值查询"
      Height          =   495
      Left            =   4080
      TabIndex        =   4
      Top             =   1320
      Width           =   1335
   End
   Begin MSComctlLib.ListView ListView1 
      Height          =   4815
      Left            =   120
      TabIndex        =   3
      Top             =   960
      Width           =   3735
      _ExtentX        =   6588
      _ExtentY        =   8493
      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            =   "字段"
         Object.Width           =   2540
      EndProperty
      BeginProperty ColumnHeader(2) {BDD1F052-858B-11D1-B16A-00C0F0283628} 
         SubItemIndex    =   1
         Text            =   "数值"
         Object.Width           =   2540
      EndProperty
   End
   Begin MSComctlLib.ImageList ImageList1 
      Left            =   4080
      Top             =   600
      _ExtentX        =   1005
      _ExtentY        =   1005
      BackColor       =   -2147483643
      ImageWidth      =   16
      ImageHeight     =   16
      MaskColor       =   12632256
      _Version        =   393216
      BeginProperty Images {2C247F25-8591-11D1-B16A-00C0F0283628} 
         NumListImages   =   4
         BeginProperty ListImage1 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "Form1.frx":0000
            Key             =   ""
         EndProperty
         BeginProperty ListImage2 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "Form1.frx":0112
            Key             =   ""
         EndProperty
         BeginProperty ListImage3 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "Form1.frx":0224
            Key             =   ""
         EndProperty
         BeginProperty ListImage4 {2C247F27-8591-11D1-B16A-00C0F0283628} 
            Picture         =   "Form1.frx":0336
            Key             =   ""
         EndProperty
      EndProperty
   End
   Begin MSComctlLib.Toolbar Toolbar1 
      Align           =   1  'Align Top
      Height          =   615
      Left            =   0
      TabIndex        =   2
      Top             =   0
      Width           =   4680
      _ExtentX        =   8255
      _ExtentY        =   1085
      ButtonWidth     =   820
      ButtonHeight    =   926
      Appearance      =   1
      ImageList       =   "ImageList1"
      _Version        =   393216
      BeginProperty Buttons {66833FE8-8583-11D1-B16A-00C0F0283628} 
         NumButtons      =   4
         BeginProperty Button1 {66833FEA-8583-11D1-B16A-00C0F0283628} 
            Caption         =   "放大"
            ImageIndex      =   1
         EndProperty
         BeginProperty Button2 {66833FEA-8583-11D1-B16A-00C0F0283628} 
            Caption         =   "缩小"
            ImageIndex      =   2
         EndProperty
         BeginProperty Button3 {66833FEA-8583-11D1-B16A-00C0F0283628} 
            Caption         =   "移动"
            ImageIndex      =   3
         EndProperty
         BeginProperty Button4 {66833FEA-8583-11D1-B16A-00C0F0283628} 
            Caption         =   "恢复"
            ImageIndex      =   4
         EndProperty
      EndProperty
      OLEDropMode     =   1
   End
   Begin MSComDlg.CommonDialog CommonDialog1 
      Left            =   2880
      Top             =   480
      _ExtentX        =   847
      _ExtentY        =   847
      _Version        =   393216
   End
   Begin MapObjects2.Map Map2 
      Height          =   3255
      Left            =   240
      TabIndex        =   1
      Top             =   6120
      Width           =   2655
      _Version        =   131072
      _ExtentX        =   4683
      _ExtentY        =   5741
      _StockProps     =   225
      BackColor       =   16777215
      BorderStyle     =   1
      Contents        =   "Form1.frx":0448
   End
   Begin MapObjects2.Map Map1 
      Height          =   8775
      Left            =   5640
      TabIndex        =   0
      Top             =   840
      Width           =   9015
      _Version        =   131072
      _ExtentX        =   15901
      _ExtentY        =   15478
      _StockProps     =   225
      BackColor       =   16777215
      BorderStyle     =   1
      Contents        =   "Form1.frx":0462
   End
   Begin VB.Menu mnuFile 
      Caption         =   "文件"
      Begin VB.Menu mnuNew 
         Caption         =   "新建"
      End
      Begin VB.Menu mnuOpen 
         Caption         =   "打开"
      End
      Begin VB.Menu mnuSave 
         Caption         =   "保存"
      End
      Begin VB.Menu mnuExit 
         Caption         =   "退出"
      End
   End
   Begin VB.Menu mnuHelp 
      Caption         =   "帮助"
      Begin VB.Menu mnuUsage 
         Caption         =   "使用说明"
      End
      Begin VB.Menu mnuAbout 
         Caption         =   "关于"
      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

Private Sub Command1_Click()
Map1.MousePointer = moCross
c = 5
End Sub



Private Sub Command10_Click()
Map1.Visible = True
Map2.Visible = True
End Sub

Private Sub Command2_Click()
Dim lyr As MapLayer
If List1.ListIndex > 0 Then
Map1.Layers.MoveTo List1.ListIndex, List1.ListIndex - 1
Map1.Refresh
Call addlyrname
End If
End Sub

Private 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 Command3_Click()
Dim lyr As MapLayer
If List1.ListIndex > 0 Then
Map1.Layers.MoveTo List1.ListIndex, List1.ListIndex + 1
Map1.Refresh
Call addlyrname
End If
End Sub

Private Sub Command4_Click()
Dim lyr As MapLayer
If List1.ListIndex > 0 Then
Map1.Layers.Remove List1.ListIndex
Map1.Refresh
Call addlyrname
End If
End Sub

Private Sub Command5_Click()
On Error Resume Next
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
Call addlyrname
End Sub

Private Sub Command6_Click()
Dim lyr As MapLayer
If List1.ListIndex > 0 Then
Map1.Layers.MoveToTop List1.ListIndex

Map1.Refresh
Call addlyrname
End If
End Sub

Private Sub Command7_Click()
Dim lyr As MapLayer
If List1.ListIndex > 0 Then
Map1.Layers.MoveToBottom List1.ListIndex
Map1.Refresh
Call addlyrname
End If
End Sub

Private Sub Command8_Click()
Map1.Layers.Clear
Map2.Layers.Clear
End Sub

Private Sub Command9_Click()
 Map1.Visible = False
 Map2.Visible = False
End Sub

Private Sub Map1_AfterLayerDraw(ByVal index As Integer, ByVal canceled As Boolean, ByVal hDC As stdole.OLE_HANDLE)
If index = 0 Then
Map2.TrackingLayer.Refresh True
End If
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 = 1 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 = 2 Then
Set r = Map1.Extent
r.ScaleRectangle 1.5
Map1.Extent = r
ElseIf c = 3 Then
Map1.Pan
ElseIf c = 5 Then
Call showarr(x, y)
ElseIf c = 4 Then
Map1.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 mnuExit_Click()
End
End Sub



Private Sub mnuOpen_Click()
On Error Resume Next
CommonDialog1.Filter = "shapfile.|*.shp"
CommonDialog1.ShowOpen
Dim dc As New DataConnection
Dim name As String
If (Len(CommonDialog1.FileTitle) - 4) <> 0 Then
name = Left(CommonDialog1.FileTitle, Len(CommonDialog1.FileTitle) - 4)
      dc.Database = CurDir
      Else
      End
      End If
      
Dim layer As New MapLayer
Set layer.GeoDataset = dc.FindGeoDataset(name)
Map1.Layers.Add layer
Map2.Layers.Add layer
End Sub

Private Sub Map2_AfterTrackingLayerDraw(ByVal hDC As stdole.OLE_HANDLE)
Dim sym As New Symbol
sym.OutlineColor = moBlue
sym.Size = 2
sym.Style = moTransparentFill
Map2.DrawShape Map1.Extent, sym
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
Else
  Map1.CenterAt object.Center.x, object.Center.y
  
End If
  
Map1.Refresh
Map2.Refresh

End Sub

Private Sub mnuAbout_Click()
MsgBox "MO二次开发 Ver1.0 版权所有(C) 2006 朱晓晨", vbOKOnly, "关于"
End Sub

Private Sub mnuNew_Click()
Map1.Layers.Clear
Map2.Layers.Clear
End Sub



Private Sub mnuSave_Click()
MsgBox "我的机子帮助坏了，这段我想了很久没想出来，抱歉！如果你会，请跟朱晓晨联系", vbOKOnly, " 错误信息"
End Sub

Private Sub mnuUsage_Click()
MsgBox "使用说明文档可能已经被移除，请与朱晓晨联系。", vbOKOnly, " 抱歉"
End Sub
Private Sub form_load()

Dim dc As New DataConnection

Dim layer As MapLayer
dc.Database = "C:\Program Files\ESRI\MapObjects2\Samples\Samples\Data\Mexico"
If Not dc.Connect Then
MsgBox "无数据"
End
End If
Set layer = New MapLayer
Set layer.GeoDataset = dc.FindGeoDataset("states")
layer.Symbol.Color = moPaleYellow
Map1.Layers.Add layer
Map2.Layers.Add layer
Map1.Refresh
Map2.Refresh
MsgBox "此程序只供复习参考，不可用与非法勾当，后果自负。", vbOKOnly, " 友情提醒"
MsgBox "此程序有很多不足之处还请见谅。", vbOKOnly, " 友情提醒"
 Call addlyrname
End Sub



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