<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="AddButton">
<TabItem.Header>Add Control</TabItem.Header>
</TabItem>
</TabControl>
<StackPanel Name="sp1"></StackPanel>
</StackPanel>
</Page>
//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Data;
using System.Windows.Input;
namespace ElemCollMethods
{
public partial class Pane1 : Page
{
System.Windows.Controls.Button btn, btn1, btn2, btn3;
void AddButton(object sender, MouseButtonEventArgs e)
{
sp1.Children.Clear();
btn = new Button();
btn.Content = "New Button";
sp1.Children.Add(btn);
}
}
}
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![Get Item At Index Position [0]](../../CSharpImages/WPF-GetItemAtIndexPosition0.PNG){kind=small}
