Dynamically adding user controls based on radio button selection - WPF

<grid showgridlines="True">
        
        <grid.columndefinitions>
            <columndefinition width="200" />
            <columndefinition width="400" />
        </grid.columndefinitions>
        
        
        <stackpanel name="SP1" grid.column="0">
            <radiobutton groupname="ControlLoad" name="btncontrol"> Button Control                
            </radiobutton>
            <radiobutton groupname="ControlLoad" name="checkcontrol">CheckBox Control
            </radiobutton>
            <radiobutton groupname="ControlLoad" name="textcontrol">TextBox Control
            </radiobutton>
            <radiobutton groupname="ControlLoad" name="dropcontrol">Dropdown Control
            </radiobutton>
            
            <Button Name="btncreate" Content="Create" Margin="10" Click="btncreate_Click"></Button>
        </stackpanel>
        
        <stackpanel name="SP2" grid.column="1">
            
        </stackpanel>
    </grid>

private void btncreate_Click(object sender, RoutedEventArgs e)
        {
            if (btncontrol.IsChecked.Value)
            {
                Button button = new Button();
                button.Content = "New Button";
                button.Margin = new Thickness(5);
                SP2.Children.Add(button);
            }
            else if (checkcontrol.IsChecked.Value)
            {
                CheckBox check = new CheckBox();
                check.Content = "New CheckBox";
                check.Margin = new Thickness(5);
                SP2.Children.Add(check);
            }
            else if (textcontrol.IsChecked.Value)
            {
                TextBox textbox = new TextBox();
                textbox.Text = "New TextBox";
                textbox.Margin = new Thickness(5);
                SP2.Children.Add(textbox);
            }
            else if (dropcontrol.IsChecked.Value)
            {
                ComboBox combo = new ComboBox();
                combo.Items.Add("Item1");
                combo.Items.Add("Item2");
                combo.Margin = new Thickness(5);
                SP2.Children.Add(combo);
            }
        }