Get Item At Index Position [0]
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="ElemCollMethods.Pane1" WindowTitle="UI Element Collection Methods Sample"> <StackPanel> <TextBlock Name="txt" FontSize="16">UI Element Collection - Methods</TextBlock> <TabControl> <TabItem MouseLeftButtonUp="GetItem"> <TabItem.Header>Get Item At Index Position [0]</TabItem.Header> </TabItem> </TabControl> <StackPanel Name="sp1"></StackPanel> </StackPanel> </Page> //File:Window.xaml.vb Imports System Imports System.Windows Imports System.Windows.Controls Imports System.Windows.Documents Imports System.Windows.Navigation Imports System.Windows.Shapes Imports System.Windows.Data Imports System.Windows.Input Namespace ElemCollMethods Public Partial Class Pane1 Inherits Page Private btn As System.Windows.Controls.Button, btn1 As System.Windows.Controls.Button, btn2 As System.Windows.Controls.Button, btn3 As System.Windows.Controls.Button Private Sub GetItem(sender As Object, e As RoutedEventArgs) Dim txt2 As New TextBlock() sp1.Children.Add(txt2) txt2.Text = "UIElement at Index position [0] is " + sp1.Children(0).ToString() End Sub End Class End Namespace