form09.frm

来自「一个关于基于MO编程的参考资料希望对大家的交流和学习有帮助」· FRM 代码 · 共 99 行

VERSION 5.00
Object = "{9BD6A640-CE75-11D1-AF04-204C4F4F5020}#2.0#0"; "mo20.ocx"
Begin VB.Form Form09 
   Caption         =   "墨西哥地图"
   ClientHeight    =   5670
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   7395
   LinkTopic       =   "Form1"
   ScaleHeight     =   5670
   ScaleWidth      =   7395
   StartUpPosition =   3  '窗口缺省
   Begin VB.OptionButton Option3 
      Caption         =   "多边形"
      Height          =   495
      Left            =   4920
      TabIndex        =   3
      Top             =   5040
      Width           =   1215
   End
   Begin VB.OptionButton Option2 
      Caption         =   "圆"
      Height          =   495
      Left            =   3120
      TabIndex        =   2
      Top             =   5040
      Width           =   1215
   End
   Begin VB.OptionButton Option1 
      Caption         =   "矩形"
      Height          =   495
      Left            =   1200
      TabIndex        =   1
      Top             =   5040
      Value           =   -1  'True
      Width           =   1215
   End
   Begin MapObjects2.Map Map1 
      Height          =   4695
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   7095
      _Version        =   131072
      _ExtentX        =   12515
      _ExtentY        =   8281
      _StockProps     =   225
      BackColor       =   16777215
      BorderStyle     =   1
      Contents        =   "form09.frx":0000
   End
End
Attribute VB_Name = "Form09"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'Xuewei,2003/5/8
'用Track画矩形、圆和多边形。
Option Explicit

Dim Rect As MapObjects2.Rectangle
Dim Eli As MapObjects2.Ellipse
Dim Poly As MapObjects2.Polygon

Private Sub Map1_AfterTrackingLayerDraw(ByVal hDC As stdole.OLE_HANDLE)
  Dim sym As New MapObjects2.Symbol
  sym.SymbolType = moFillSymbol
  sym.Style = moDiagonalCrossFill
    
  If Not Rect Is Nothing Then
    sym.Color = moBlue
    Map1.DrawShape Rect, sym
  End If
  
  If Not Eli Is Nothing Then
    sym.Color = moRed
    Map1.DrawShape Eli, sym
  End If
    
  If Not Poly Is Nothing Then
    sym.Color = moGreen
    Map1.DrawShape Poly, sym
  End If
End Sub

Private Sub Map1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
  If Option1 Then
    Set Rect = Map1.TrackRectangle
  ElseIf Option2 Then
    Set Eli = Map1.TrackCircle
  Else
    Set Poly = Map1.TrackPolygon
  End If
  Map1.TrackingLayer.Refresh True
End Sub