DotNetBrowser-Examples/vbnet/console/DomCreateElement/Program.vb at v3 · TeamDev-IP/DotNetBrowser-Examples · GitHub

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#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
' "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
' LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
' A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
' OWNER 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) HOWEVER CAUSED AND ON ANY
' THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
' (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
' OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#End Region

Imports System.Text
Imports DotNetBrowser.Browser
Imports DotNetBrowser.Dom
Imports DotNetBrowser.Engine

''' <summary>
'''     This example demonstrates how to create a DOM element and insert it into the DOM tree.
''' </summary>
Friend Class Program

    Public Shared Sub Main()
        Using engine As IEngine = EngineFactory.Create()
            Using browser As IBrowser = engine.CreateBrowser()

                Dim htmlBytes() As Byte = Encoding.UTF8.GetBytes("<html><body><div id='root'></div></body></html>")
                browser.Navigation.LoadUrl("data:text/html;base64," + Convert.ToBase64String(htmlBytes)).Wait()
                Console.WriteLine($"Initial HTML: {browser.MainFrame.Html}")
                Dim document As IDocument = browser.MainFrame.Document

                Dim root As INode = document.GetElementById("root")
                Dim textNode As INode = document.CreateTextNode("Some text")
                Dim paragraph As IElement = document.CreateElement("p")
                paragraph.Children.Append(textNode)
                root.Children.Append(paragraph)

                Console.WriteLine($"Updated HTML: {browser.MainFrame.Html}")

            End Using
        End Using

        Console.WriteLine("Press any key to terminate...")
        Console.ReadKey()
    End Sub

End Class