form01.frm

mo 二次开发 实现mo的一般功能

VERSION 5.00
Object = "{9BD6A640-CE75-11D1-AF04-204C4F4F5020}#2.0#0"; "mo20.ocx"
Object = "{6B7E6392-850A-101B-AFC0-4210102A8DA7}#1.3#0"; "COMCTL32.OCX"
Begin VB.Form Form01 
   Caption         =   "华盛顿地图"
   ClientHeight    =   8400
   ClientLeft      =   1140
   ClientTop       =   1515
   ClientWidth     =   6750
   LinkTopic       =   "Form1"
   PaletteMode     =   1  'UseZOrder
   ScaleHeight     =   8400
   ScaleWidth      =   6750
   Begin MapObjects2.Map Map1 
      Height          =   8175
      Left            =   0
      TabIndex        =   0
      Top             =   120
      Width           =   6735
      _Version        =   131072
      _ExtentX        =   11880
      _ExtentY        =   14420
      _StockProps     =   225
      BackColor       =   16777215
      BorderStyle     =   1
      Contents        =   "form01.frx":0000
   End
   Begin ComctlLib.ImageList ImageList1 
      Left            =   2760
      Top             =   1800
      _ExtentX        =   1005
      _ExtentY        =   1005
      BackColor       =   -2147483643
      ImageWidth      =   16
      ImageHeight     =   16
      MaskColor       =   8421376
      _Version        =   327682
      BeginProperty Images {0713E8C2-850A-101B-AFC0-4210102A8DA7} 
         NumListImages   =   3
         BeginProperty ListImage1 {0713E8C3-850A-101B-AFC0-4210102A8DA7} 
            Picture         =   "form01.frx":001A
            Key             =   ""
         EndProperty
         BeginProperty ListImage2 {0713E8C3-850A-101B-AFC0-4210102A8DA7} 
            Picture         =   "form01.frx":056C
            Key             =   ""
         EndProperty
         BeginProperty ListImage3 {0713E8C3-850A-101B-AFC0-4210102A8DA7} 
            Picture         =   "form01.frx":0ABE
            Key             =   ""
         EndProperty
      EndProperty
   End
End
Attribute VB_Name = "Form01"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'Xuewei,2003/5/28
'使用ImageLayer图层调用一个BMP图像，和MapLayer图层叠加；

Option Explicit

Private Sub DrawLayer()
  Dim dc As New DataConnection
  Dim dataDir As String
  Dim mLayer As New MapLayer
  
  dataDir = App.Path + "\..\" + "Washington"
  dc.Database = dataDir
  If Not dc.Connect Then
    MsgBox "在指定的文件夹下没找到图层数据文件！"
    End
  End If
  
  Dim iLayer As New ImageLayer
  iLayer.File = dataDir + "\Wash.bmp"
  Map1.Layers.Add iLayer
     
  Set mLayer.GeoDataset = dc.FindGeoDataset("roads")
  mLayer.Symbol.Color = moYellow
  Map1.Layers.Add mLayer
End Sub


Private Sub Form_Load()
  DrawLayer
End Sub