digitizetinline.frm

arcgis 编程学习事例

VERSION 5.00
Begin VB.Form frmDigitizeTinLine 
   BorderStyle     =   4  'Fixed ToolWindow
   Caption         =   "Options"
   ClientHeight    =   1224
   ClientLeft      =   48
   ClientTop       =   288
   ClientWidth     =   3588
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1224
   ScaleWidth      =   3588
   ShowInTaskbar   =   0   'False
   StartUpPosition =   3  'Windows Default
   Begin VB.CheckBox chkConflictDetect 
      Caption         =   "Conflict detection"
      Height          =   195
      Left            =   120
      TabIndex        =   3
      Top             =   960
      Width           =   1695
   End
   Begin VB.CommandButton cmdNo 
      Height          =   315
      Left            =   480
      MouseIcon       =   "DigitizeTinLine.frx":0000
      TabIndex        =   9
      Top             =   1080
      Visible         =   0   'False
      Width           =   315
   End
   Begin VB.CommandButton cmdCross 
      Height          =   315
      Left            =   120
      MouseIcon       =   "DigitizeTinLine.frx":0152
      TabIndex        =   8
      Top             =   1080
      Visible         =   0   'False
      Width           =   315
   End
   Begin VB.ComboBox cboSFType 
      Height          =   315
      Left            =   1320
      TabIndex        =   7
      Text            =   "cboSFType"
      Top             =   120
      Width           =   2175
   End
   Begin VB.TextBox txtZ 
      Height          =   285
      Left            =   2640
      TabIndex        =   5
      Text            =   "txtZ"
      Top             =   840
      Width           =   855
   End
   Begin VB.ComboBox cboHeightSource 
      Height          =   315
      Left            =   1320
      Style           =   2  'Dropdown List
      TabIndex        =   2
      Top             =   480
      Width           =   2175
   End
   Begin VB.CommandButton Command1 
      Height          =   315
      Left            =   960
      Picture         =   "DigitizeTinLine.frx":045C
      Style           =   1  'Graphical
      TabIndex        =   0
      Top             =   1080
      Visible         =   0   'False
      Width           =   315
   End
   Begin VB.Label labHeight 
      Caption         =   "Height:"
      Height          =   255
      Left            =   1920
      TabIndex        =   10
      Top             =   900
      Width           =   615
   End
   Begin VB.Label Label3 
      Caption         =   "SFType:"
      Height          =   255
      Left            =   120
      TabIndex        =   6
      Top             =   140
      Width           =   735
   End
   Begin VB.Label Label2 
      Caption         =   "Height:"
      Height          =   255
      Left            =   2040
      TabIndex        =   4
      Top             =   480
      Width           =   495
   End
   Begin VB.Label Label1 
      Caption         =   "Height source:"
      Height          =   255
      Left            =   120
      TabIndex        =   1
      Top             =   500
      Width           =   1095
   End
End
Attribute VB_Name = "frmDigitizeTinLine"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

' Copyright 1995-2004 ESRI

' All rights reserved under the copyright laws of the United States.

' You may freely redistribute and use this sample code, with or without modification.

' Disclaimer: THE SAMPLE CODE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 
' WARRANTIES, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
' FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ESRI OR 
' CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 
' OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
' SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
' INTERRUPTION) SUSTAINED BY YOU OR A THIRD PARTY, HOWEVER CAUSED AND ON ANY 
' THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ARISING IN ANY 
' WAY OUT OF THE USE OF THIS SAMPLE CODE, EVEN IF ADVISED OF THE POSSIBILITY OF 
' SUCH DAMAGE.

' For additional information contact: Environmental Systems Research Institute, Inc.

' Attn: Contracts Dept.

' 380 New York Street

' Redlands, California, U.S.A. 92373 

' Email: [e-mail]

Option Explicit

Public Sub Init(pTin As ITin)
  Dim pEnv As IEnvelope
  Set pEnv = pTin.Extent
  
  Dim pSurf As ISurface
  Set pSurf = pTin
  If (pSurf.IsVoidZ(pEnv.zmin)) Then
    txtZ = "0.0"
  Else
    Dim sZ As String
    sZ = Format((pEnv.zmax + pEnv.zmin) * 0.5, "###0.00")
    txtZ = sZ
  End If
End Sub

Private Sub cboHeightSource_Click()
  txtZ.Enabled = (cboHeightSource.ItemData(cboHeightSource.ListIndex) = 4)
  labHeight.Enabled = txtZ.Enabled
End Sub

Private Sub Form_Load()
  cboSFType.AddItem "Hard line"
  cboSFType.ItemData(0) = esriTinHardLine
  cboSFType.AddItem "Soft line"
  cboSFType.ItemData(1) = esriTinSoftLine

  cboHeightSource.AddItem "all from surface"
  cboHeightSource.ItemData(0) = 1
  cboHeightSource.AddItem "from max z on surface"
  cboHeightSource.ItemData(1) = 2
  cboHeightSource.AddItem "from min z on surface"
  cboHeightSource.ItemData(2) = 3
  cboHeightSource.AddItem "as specified"
  cboHeightSource.ItemData(3) = 4
  
  cboSFType.ListIndex = 0
  cboHeightSource.ListIndex = 3
  
  win32Util.FloatWindow Me, True
End Sub

Public Function GetSFType() As esriTinSurfaceType
  GetSFType = cboSFType.ItemData(cboSFType.ListIndex)
End Function

Public Function GetHeightSource() As Long
  GetHeightSource = cboHeightSource.ItemData(cboHeightSource.ListIndex)
End Function

Public Function DetectConflicts() As Boolean
  DetectConflicts = (chkConflictDetect.Value = 1)
End Function

Public Function GetHeight() As Double
  GetHeight = CDbl(txtZ)
End Function