Reference SystemParameters : SystemParameters « Windows Presentation Foundation « VB.Net

1. VB.Net
2. Windows Presentation Foundation
3. SystemParameters

Reference SystemParameters

        
<Window x:Class="Windows.CenterScreen"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="CenterScreen" Height="300" Width="300"
    >
  <Button Margin="15" Click="cmdCenter_Click">Center Me</Button>
</Window>
//File:Window.xaml.vb
Imports System
Imports System.Collections.Generic
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Shapes
Imports System.ComponentModel

Namespace Windows
  Public Partial Class CenterScreen
    Inherits System.Windows.Window
    Public Sub New()
      InitializeComponent()
    End Sub

    Private Sub cmdCenter_Click(sender As Object, e As RoutedEventArgs)
      Dim height As Double = SystemParameters.WorkArea.Height
      Dim width As Double = SystemParameters.WorkArea.Width
      Me.Top = (height - Me.Height) / 2
      Me.Left = (width - Me.Width) / 2

    End Sub
  End Class
End Namespace

   
    
    
    
    
    
    
    
  

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