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






<Window x:Class="Windows.ModernWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="ModernWindow" Height="300" Width="300"
        AllowsTransparency="True" Background="Transparent"
        WindowStyle="None" ResizeMode="CanResizeWithGrip">
   <Border Width="Auto" Height="Auto" Name="windowFrame"
          BorderBrush="#395984"
          BorderThickness="1"
          CornerRadius="0,20,30,40" >
    <Border.Background>
      <LinearGradientBrush >
        <GradientBrush.GradientStops>
          <GradientStopCollection>
            <GradientStop Color="#E7EBF7" Offset="0.0"/>
            <GradientStop Color="#CEE3FF" Offset="0.5"/>
  
          </GradientStopCollection>
        </GradientBrush.GradientStops>
      </LinearGradientBrush>
    </Border.Background>
    <StackPanel>
      <TextBlock Text="Title Bar" Margin="1" Padding="5" MouseLeftButtonDown="titleBar_MouseLeftButtonDown"></TextBlock>
      <Button Click="cmdClose_Click">Close</Button>
      <Rectangle Cursor="SizeWE" 
                 MouseLeftButtonDown="window_initiateWiden"
                 MouseLeftButtonUp="window_endWiden"
                 MouseMove="window_Widen"/>

      </StackPanel>
    
    
  </Border>
</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 ModernWindow : System.Windows.Window
    {
        public ModernWindow()
        {
            InitializeComponent();
        }

        bool isWiden = false;
        private void window_initiateWiden(object sender, System.Windows.Input.MouseEventArgs e)
        {
            isWiden = true;
        }
        private void window_endWiden(object sender, System.Windows.Input.MouseEventArgs e)
        {
            isWiden = false;

            Rectangle rect = (Rectangle)sender;
            rect.ReleaseMouseCapture();
        }

        private void window_Widen(object sender, System.Windows.Input.MouseEventArgs e)
        {
            Rectangle rect = (Rectangle)sender;
            if (isWiden)
            {                
                rect.CaptureMouse();
                double newWidth = e.GetPosition(this).X + 5;
                if (newWidth > 0) this.Width = newWidth;
            }            
        }

        private void titleBar_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            this.DragMove();
        }

        private void cmdClose_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }
    }
}
WPF Transparent Window








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