WPF VB.Net

  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="WpfApplication1.FEMarginProgrammatic">
  
      
        
        
        
            
      
  

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//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Media
Namespace WpfApplication1
  Public Partial Class FEMarginProgrammatic
    Private Sub OnClick(sender As Object, e As RoutedEventArgs)
      Dim marginThickness As Thickness = btn1.Margin
      If marginThickness.Left = 10 Then
        btn1.Margin = New Thickness(60)
      Else
        btn1.Margin = New Thickness(10)
      End If
    End Sub
  End Class
End Namespace