webbrowser.frm

Visual Basic 6 大学教程的代码

VERSION 5.00
Object = "{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}#1.1#0"; "SHDOCVW.DLL"
Begin VB.Form frmWebBrowser 
   Caption         =   "Simple Web Browser"
   ClientHeight    =   3600
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5385
   LinkTopic       =   "Form1"
   ScaleHeight     =   3600
   ScaleWidth      =   5385
   StartUpPosition =   3  'Windows Default
   WindowState     =   2  'Maximized
   Begin VB.CommandButton cmdHome 
      Caption         =   "Home"
      Height          =   375
      Left            =   4080
      TabIndex        =   6
      Top             =   480
      Width           =   1215
   End
   Begin VB.CommandButton cmdForward 
      Caption         =   "Forward"
      Height          =   375
      Left            =   2760
      TabIndex        =   5
      Top             =   480
      Width           =   1215
   End
   Begin VB.CommandButton cmdBack 
      Caption         =   "Back"
      Height          =   375
      Left            =   1440
      TabIndex        =   4
      Top             =   480
      Width           =   1215
   End
   Begin VB.CommandButton cmdGo 
      Caption         =   "Go to URL"
      Height          =   375
      Left            =   120
      TabIndex        =   2
      Top             =   480
      Width           =   1215
   End
   Begin VB.TextBox txtURL 
      Height          =   285
      Left            =   600
      TabIndex        =   1
      Top             =   105
      Width           =   4695
   End
   Begin SHDocVwCtl.WebBrowser WebBrowser1 
      Height          =   2535
      Left            =   0
      TabIndex        =   0
      Top             =   1000
      Width           =   5295
      ExtentX         =   9340
      ExtentY         =   4471
      ViewMode        =   1
      Offline         =   0
      Silent          =   0
      RegisterAsBrowser=   0
      RegisterAsDropTarget=   1
      AutoArrange     =   -1  'True
      NoClientEdge    =   0   'False
      AlignLeft       =   0   'False
      ViewID          =   "{0057D0E0-3573-11CF-AE69-08002B2E1262}"
      Location        =   ""
   End
   Begin VB.Label lblURL 
      Caption         =   "URL:"
      Height          =   240
      Left            =   120
      TabIndex        =   3
      Top             =   135
      Width           =   375
   End
End
Attribute VB_Name = "frmWebBrowser"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' Fig. 19.2
' A simple web browser using the WebBrowser Control.
Option Explicit

Private Sub Form_Load()
   ' When form is loaded, go to home page
   Call WebBrowser1.GoHome
End Sub

Private Sub cmdGo_Click()
   ' if txtURL is not empty, go to URL specified in txtURL
   On Error Resume Next
   
   If txtURL.Text <> "" Then
      Call WebBrowser1.Navigate(txtURL.Text)
   End If
End Sub

Private Sub cmdBack_Click()
   ' go to previous page
   On Error Resume Next
   Call WebBrowser1.GoBack
End Sub

Private Sub cmdForward_Click()
   ' go to next page
   On Error Resume Next
   Call WebBrowser1.GoForward
End Sub

Private Sub cmdHome_Click()
   ' go to home page
   On Error Resume Next
   Call WebBrowser1.GoHome
End Sub

Private Sub Form_Resize()
   ' set dimensions of txtURL and WebBrowser1
   On Error Resume Next
   WebBrowser1.Width = ScaleWidth
   WebBrowser1.Height = ScaleHeight - WebBrowser1.Top
   txtURL.Width = ScaleWidth - txtURL.Left
End Sub

Private Sub WebBrowser1_DocumentComplete( _
      ByVal pDisp As Object, URL As Variant)
   ' when download complete, display URL in txtURL
   txtURL.Text = URL
End Sub