Use WindowState to make full screen window, change resize mode to NoReSize : Window « Windows Presentation Foundation « VB.Net Tutorial

1. VB.Net Tutorial
2. Windows Presentation Foundation
3. Window

<Window x:Class="_360Timer.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Concentric Rings" Width="910" Height="512">
  <Canvas Name="MainCanvas" Background="#FFE0E0E0"/>
</Window>
//File:Window.xaml.vb


Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Media
Imports System.Windows.Shapes
Imports System.Windows.Media.Animation


Namespace _360Timer

  Public Partial Class Window1
    Inherits Window
    Private frameTimer As System.Windows.Threading.DispatcherTimer
    Private lastTick As Integer
    Private rand As Random

    Public Sub New()
      InitializeComponent()

      Me.WindowState = WindowState.Maximized
      Me.WindowStyle = WindowStyle.None
      Me.ResizeMode = ResizeMode.NoResize
    End Sub

    Private Sub Window1_KeyDown(sender As Object, e As System.Windows.Input.KeyEventArgs)
      If e.Key = System.Windows.Input.Key.Escape Then
        Me.Close()
      End If
    End Sub
  End Class
End Namespace

16.57.Window
	16.57.1.	Custom Window
	16.57.2.	Set window size in XAML
	16.57.3.	A simple user-login XAML page
	16.57.4.	User login screen with no layout or formatting
	16.57.5.	Automatically Size the Main Application Window to Accommodate Its Content
	16.57.6.	Window Ownership
	16.57.7.	Creating the main panel and add to Window in Code
	16.57.8.	Show window based on button name
	16.57.9.	Set a Default Button
	16.57.10.	Window with Menu, ToolBar, StatusBar
	16.57.11.	Order of precedence for sizing-related properties that are implemented by Window.
	16.57.12.	Use Window Activated and Deactivated event to control a media file
	16.57.13.	Animated Video Window
	16.57.14.	Use WindowState to make full screen window, change resize mode to NoReSize
	16.57.15.	Do not handle events until Window is fully initialized.
	16.57.16.	Load resource from Window Resources
	16.57.17.	Launch a window with defined XAML
	16.57.18.	Display window as dialog
	16.57.19.	Save Window Position to Registry
	16.57.20.	Center a Window to Screen