frmnodesetup.frm

一个交通专用的gis-T系统

VERSION 5.00
Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "comdlg32.ocx"
Begin VB.Form FrmNodeSetup 
   Caption         =   "图元属性"
   ClientHeight    =   1845
   ClientLeft      =   2790
   ClientTop       =   3975
   ClientWidth     =   2625
   Icon            =   "FrmNodeSetup.frx":0000
   LinkTopic       =   "Form1"
   ScaleHeight     =   1845
   ScaleWidth      =   2625
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton cmduse 
      Caption         =   "应用"
      Default         =   -1  'True
      Enabled         =   0   'False
      Height          =   375
      Left            =   120
      TabIndex        =   7
      Top             =   1440
      Width           =   855
   End
   Begin VB.Frame Frame1 
      Caption         =   "节点属性编辑"
      Height          =   1095
      Left            =   120
      TabIndex        =   2
      Top             =   120
      Width           =   2415
      Begin VB.TextBox Text1 
         Height          =   270
         Left            =   1200
         TabIndex        =   4
         Text            =   "0.001"
         ToolTipText     =   "单位为实际坐标单位（米）"
         Top             =   360
         Width           =   1095
      End
      Begin VB.Label Label1 
         Caption         =   "节点颜色："
         Height          =   255
         Index           =   1
         Left            =   120
         TabIndex        =   6
         Top             =   720
         Width           =   975
      End
      Begin VB.Label Label2 
         Appearance      =   0  'Flat
         BackColor       =   &H000000FF&
         BorderStyle     =   1  'Fixed Single
         ForeColor       =   &H80000008&
         Height          =   255
         Left            =   1200
         TabIndex        =   5
         Top             =   720
         Width           =   1095
      End
      Begin VB.Label Label1 
         Caption         =   "节点半径："
         Height          =   255
         Index           =   0
         Left            =   120
         TabIndex        =   3
         Top             =   360
         Width           =   975
      End
   End
   Begin VB.CommandButton cmdcancel 
      Caption         =   "取消"
      Height          =   375
      Left            =   1800
      TabIndex        =   1
      Top             =   1440
      Width           =   735
   End
   Begin MSComDlg.CommonDialog CommonDialog1 
      Left            =   120
      Top             =   1440
      _ExtentX        =   847
      _ExtentY        =   847
      _Version        =   393216
   End
   Begin VB.CommandButton cmdok 
      Caption         =   "确定"
      Enabled         =   0   'False
      Height          =   375
      Left            =   1080
      TabIndex        =   0
      Top             =   1440
      Width           =   735
   End
End
Attribute VB_Name = "FrmNodeSetup"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'*********************************************************************
'*
'*                本源码完全免费，共交通同仁学习参考                 *
'*                      www.tranbbs.com                              *
'*                   Developed by Yang Ming                          *
'*       Nanjing Institute of City Transportation Planning           *
'*                 请保留本版权信息，谢谢合作                        *
'*                      中国交通技术论坛                             *
'*                                                                   *
'*                                                                   *
'*********************************************************************
Private Sub Cmdcancel_Click()
    Unload Me
End Sub

Private Sub cmdok_Click()
        
    If cmduse.Enabled = False Then
        Unload Me
    ElseIf cmduse.Enabled = True Then
        cmduse_Click
        Unload Me
    End If
    
End Sub


Private Sub cmduse_Click()

    cmduse.Enabled = False
    cmdok.SetFocus
    
    Dim FtrNode As Feature
    Dim FtrNodes As Features
    Dim LyrNode As Layer
    
    Set LyrNode = Main.Mapshow.Layers("Node")
    Load FrmProgress
    FrmProgress.Show
    
    If LyrNode.AllFeatures.Count <> 0 Then
        step = 100 / LyrNode.AllFeatures.Count
    End If
    Dim Proval
    Proval = step
    
    
    NodeRadius = Val(Text1.Text)
    NodeColor = Label2.BackColor
    
    For Each FtrNode In LyrNode.AllFeatures
                '读出原有属性,删掉原有节点
                Dim Xtemp, Ytemp
                Dim KeyVal
                Xtemp = FtrNode.CenterX
                Ytemp = FtrNode.CenterY
                KeyVal = FtrNode.KeyValue
                
                LyrNode.DeleteFeature FtrNode
                
                '重新建立节点
                Dim NodeI As New Point
                Dim ObjNewFeature As New Feature
                Dim ObjFeature As Feature
                
                NodeI.Set Xtemp, Ytemp
                Set ObjNewFeature = Main.Mapshow.FeatureFactory.CreateCircularRegion(1, NodeI, NodeRadius, 7, 32)
                Set ObjFeature = LyrNode.AddFeature(ObjNewFeature)
                ObjFeature.Style.RegionColor = Label2.BackColor
                LyrNode.Refresh
                
                LyrNode.KeyField = "NodeId"
                ObjFeature.KeyValue = KeyVal
                ObjFeature.Update
        
        Progress Proval, "正在修改节点属性，请稍候..."
        Proval = Proval + step
    Next
    
    
    Open ProjectPath & "setup.ini" For Output As #1
        Write #1, NodeRadius, NodeColor, LinkWidth, LinkColor
    Close #1
    
    Unload FrmProgress
       

End Sub

Private Sub Form_Load()

On Error GoTo Myerr

    Open ProjectPath & "setup.ini" For Input As #1
        Do While Not EOF(1)
        Input #1, NodeRadius, NodeColor, LinkWidth, LinkColor
        Loop
    Close #1
        
    Text1.Text = NodeRadius
    Label2.BackColor = NodeColor
    cmduse.Enabled = False
    cmdok.Enabled = False

    Exit Sub
    
Myerr:
    MsgBox "设置文件丢失，请确保项目文件的完整性！"
    Close #1
    Exit Sub

End Sub

Private Sub Label2_Click()

    cmduse.Enabled = True
   '将 Cancel 设置成 True。
   CommonDialog1.CancelError = True
   On Error GoTo ErrHandler
   '设置 Flags 属性。
   CommonDialog1.Flags = cdlCCRGBInit
   '显示“颜色”对话框。
   CommonDialog1.ShowColor
   '将窗体的背景颜色设置成选定的
   '颜色。
   Label2.BackColor = CommonDialog1.Color
    
    cmduse.Enabled = True
    cmdok.Enabled = True
   
   Exit Sub

ErrHandler:
   '用户按了“取消”按钮。
   Exit Sub

End Sub

Private Sub Text1_Change()
    
    cmduse.Enabled = True
    cmdok.Enabled = True

    
End Sub