Create a button when the page loads.

    

<StackPanel
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="WpfApplication1.FELoaded" Loaded="OnLoad" Name="root">
</StackPanel>
//File:Window.xaml.vb

Imports System
Imports System.Windows
Imports System.Windows.Controls

Namespace WpfApplication1
  Public Partial Class FELoaded
    Private Sub OnLoad(sender As Object, e As RoutedEventArgs)
      Dim b1 As New Button()
      b1.Content = "New Button"
      root.Children.Add(b1)
      b1.Height = 25
      b1.Width = 200
      b1.HorizontalAlignment = HorizontalAlignment.Left
    End Sub
  End Class
End Namespace

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Create a button when the page loads. : Page « Windows Presentation Foundation « VB.Net

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