Windows Transparent Background : Window Style « Windows Presentation Foundation « C# / CSharp Tutorial






<Window x:Class="Windows.TransparentBackground"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Windows" Height="300" Width="300"
    WindowStyle="None" AllowsTransparency="true">
  <Window.Background>    
    <ImageBrush ImageSource="c:\image.png"></ImageBrush>
  </Window.Background>
    <Grid>
      <Grid.RowDefinitions>
        <RowDefinition></RowDefinition>
        <RowDefinition></RowDefinition>
        <RowDefinition></RowDefinition>
        <RowDefinition></RowDefinition>
      </Grid.RowDefinitions>
      <Button Margin="20" Grid.Row="2">Close</Button>   
    </Grid>
</Window>


//File:Window.xaml.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace Windows
{
    public partial class TransparentBackground : System.Windows.Window
    {
        public TransparentBackground()
        {
            InitializeComponent();
        }

    }
}
WPF Windows Transparent Background








24.72.Window Style
24.72.1.Window BackgroundWindow Background
24.72.2.Create a non-rectangular windowCreate a non-rectangular window
24.72.3.Transparent WindowTransparent Window
24.72.4.Non-Rectangular windowNon-Rectangular window
24.72.5.Windows Transparent BackgroundWindows Transparent Background
24.72.6.Set WindowStyle = WindowStyle.ToolWindow
24.72.7.Set brush to Window background