targetfile.frm

将GPS NEMA轨迹数据转换成Mapinfo的mif格式的电子地图线格式。

VERSION 5.00
Begin VB.Form Dialog1 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "Dialog Caption"
   ClientHeight    =   3195
   ClientLeft      =   5430
   ClientTop       =   3960
   ClientWidth     =   6030
   Icon            =   "targetfile.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3195
   ScaleWidth      =   6030
   ShowInTaskbar   =   0   'False
   Begin VB.TextBox Text2 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   4680
      TabIndex        =   7
      Top             =   960
      Width           =   1215
   End
   Begin VB.FileListBox File1 
      Height          =   2790
      Left            =   2520
      TabIndex        =   5
      Top             =   360
      Width           =   2055
   End
   Begin VB.DirListBox Dir1 
      Height          =   2400
      Left            =   120
      TabIndex        =   4
      Top             =   720
      Width           =   2295
   End
   Begin VB.DriveListBox Drive1 
      Height          =   300
      Left            =   120
      TabIndex        =   3
      Top             =   360
      Width           =   2295
   End
   Begin VB.TextBox Text1 
      Height          =   270
      Left            =   120
      Locked          =   -1  'True
      TabIndex        =   2
      Top             =   0
      Width           =   5775
   End
   Begin VB.CommandButton CancelButton 
      Caption         =   "Cancel"
      Height          =   375
      Left            =   4680
      TabIndex        =   1
      Top             =   2640
      Width           =   1215
   End
   Begin VB.CommandButton OKButton 
      Caption         =   "OK"
      Height          =   375
      Left            =   4680
      TabIndex        =   0
      Top             =   2160
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "请输入你想生成的文件名："
      Height          =   375
      Left            =   4680
      TabIndex        =   6
      Top             =   480
      Width           =   1215
   End
End
Attribute VB_Name = "Dialog1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Option Explicit
Private Sub CancelButton_Click()
Form1.Targetfile.Caption = "目的文件（.mif）"
Form1.Target_File_Name = ""
Dialog1.Hide
End Sub

Private Sub Dir1_Change()
File1.Path = Dir1.Path

End Sub

Private Sub Drive1_Change()
Dir1.Path = Drive1.Drive
End Sub

Private Sub File1_Click()
Text2.Text = ""
If Right$(Dir1.Path, 1) = "\" Then
    Text1.Text = Dir1.Path + File1.FileName
Else
    Text1.Text = Dir1.Path + "\" + File1.FileName
End If
End Sub

Private Sub File1_PathChange()
File1.FileName = "*.mif"
Text1.Text = Dir1.Path
End Sub

Private Sub Form_Load()
Drive1.Drive = App.Path

File1.FileName = "*.mif"
Text1.Text = Dir1.Path
End Sub

Private Sub OKButton_Click()
Dim Fnum As Integer

If Right$(Text1.Text, 4) = ".mif" Then
    If Trim(Text2.Text) = "" Then
        Form1.Targetfile.Caption = "目的文件（.mif） " + File1.FileName
    Else
        Form1.Targetfile.Caption = "目的文件（.mif） " + Trim(Text2.Text) + ".mif"
    End If
    'Get a free file number
    Fnum = FreeFile
    'Open the file.
    Open Trim(Text1.Text) For Output As #Fnum
    'Create mif file hander
    Print #Fnum, "Version 300"
    Print #Fnum, "Charset " + Chr(34) + "WindowsSimpChinese" + Chr(34)
    Print #Fnum, "Delimiter " + Chr(34) + "," + Chr(34)
    Print #Fnum, "CoordSys Earth Projection 1, 0"
    Print #Fnum, "Columns 1"
    Print #Fnum, "  NAME Char(60)"
    Print #Fnum, "Data"
    Print #Fnum, ""
    
    Close #Fnum
    Form1.Target_File_Name = Text1.Text
    Dialog1.Hide
Else
    MsgBox ("请创建一个mif文件！")
End If
End Sub

Private Sub Text2_Change()
If Trim(Text2.Text) = "" Then
Else
    Text1.Text = Dir1.Path + "\" + Trim(Text2.Text) + ".mif"
End If
End Sub