MainWindow.xaml.vb

#Region "Copyright"
' Copyright © 2026, TeamDev. All rights reserved.
' 
' Redistribution and use in source and/or binary forms, with or without
' modification, must retain the above copyright notice and the following
' disclaimer.
' 
' THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#End Region


Imports DotNetBrowser.Engine
Imports PuppeteerSharp
Imports BrowserViewExtensions = DotNetBrowser.Browser.BrowserViewExtensions

Public Partial Class MainWindow
    Inherits Window

    Private Const Url As String = "https://html5test.teamdev.com/"
    Private Const RemoteDebuggingPort As Integer = 9223
    Private Const LocationUrl As String = "https://www.infobyip.com/browsergeolocation.php"
    Private ReadOnly browser As DotNetBrowser.Browser.IBrowser
    Private ReadOnly engine As IEngine

    Public Sub New()
        ' Create and initialize the IEngine instance
        Dim engineOptions As EngineOptions = New EngineOptions.Builder With {
                .RenderingMode = RenderingMode.HardwareAccelerated,
                .LicenseKey = "",
                .RemoteDebuggingPort = RemoteDebuggingPort
                }.Build()
        engine = EngineFactory.Create(engineOptions)

        ' Create the IBrowser instance
        browser = engine.CreateBrowser()

        InitializeComponent()

        ' Initialize the WPF BrowserView control
        BrowserViewExtensions.InitializeFrom(browserView, browser)
        browser.Navigation.LoadUrl(Url)
        Task.Run(AddressOf Connect)
    End Sub

    Public Async Function Connect() As Task
        Dim options As New ConnectOptions With {
                .BrowserURL = $"http://127.0.0.1:{RemoteDebuggingPort}"
                }

        Try
            Dim puppeteerBrowser As IBrowser =
                    Await PuppeteerSharp.Puppeteer.ConnectAsync(options)

            Await puppeteerBrowser.DefaultContext.OverridePermissionsAsync(
                LocationUrl,
                New OverridePermission() {OverridePermission.Geolocation}
                )

            Dim page As IPage = (Await puppeteerBrowser.PagesAsync()).FirstOrDefault()
            Await page.GoToAsync(LocationUrl)
            Await page.WaitForSelectorAsync("title")

            Await page.SetGeolocationAsync(New GeolocationOption With {
                                              .Latitude = 42.746635D,
                                              .Longitude = - 75.770045D
                                              })
            Await (Await page.QuerySelectorAsync("#map")).ScrollIntoViewAsync()

        Catch e As Exception
            Debug.WriteLine(e)
        End Try
    End Function

    Private Sub Window_Closed(sender As Object, e As EventArgs)
        If browser IsNot Nothing Then
            browser.Dispose()
        End If
        If engine IsNot Nothing Then
            engine.Dispose()
        End If
    End Sub
End Class