WPF

<Window x:Class="Test.Main"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Test" Height="500" Width="700" ResizeMode="CanResizeWithGrip" Name="MainWindow"  
    WindowStyle="None" AllowsTransparency="True"
    Background="Transparent" BorderThickness="0" FrameworkElement.Loaded="MainWindow_Loaded" FrameworkElement.SizeChanged="Window_SizeChanged" >
    <Window.Resources>

    <DrawingBrush x:Key="yellowBackground">
        <DrawingBrush.Drawing>
            <DrawingGroup>
                <GeometryDrawing>
                    <GeometryDrawing.Brush>
                        <RadialGradientBrush Center="0.54326,0.45465" RadiusX="0.402049" RadiusY="1.02049" GradientOrigin="0.4326,0.45465">
                            <GradientStop Color="#ffffe1" Offset="0"/>
                            <GradientStop Color="#f8e737" Offset="0.461"/>
                            <GradientStop Color="#e79b00" Offset="1"/>
                        </RadialGradientBrush>
                    </GeometryDrawing.Brush>
                    <GeometryDrawing.Geometry>
                        <RectangleGeometry Rect="0,0 1,1" />
                    </GeometryDrawing.Geometry>
                </GeometryDrawing>
                <GeometryDrawing>
                    <GeometryDrawing.Brush>
                        <LinearGradientBrush StartPoint="0,0" EndPoint="0,1" SpreadMethod="Pad">
                            <GradientStop Color="#FFFFFFFF" Offset="0"/>
                            <GradientStop Color="#39FFFFFF" Offset="1"/>
                        </LinearGradientBrush>
                    </GeometryDrawing.Brush>
                    <GeometryDrawing.Geometry>
                        <RectangleGeometry Rect="0,0 1,1" />
                    </GeometryDrawing.Geometry>
                </GeometryDrawing>
            </DrawingGroup>
        </DrawingBrush.Drawing>
    </DrawingBrush>
    
    </Window.Resources>
    
    <Border Background="LightSteelBlue" CornerRadius="20,20,20,20">
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" MinHeight="44.149" />
                <RowDefinition Height="*"/>
                <RowDefinition Height="150" MinHeight="20px"/>
            </Grid.RowDefinitions>
            <Border Height="44" VerticalAlignment="Top" CornerRadius="20,20,0,0" Background="{StaticResource yellowBackground}" Grid.Row="0">
                <StackPanel Height="44"  VerticalAlignment="Top"  Orientation="Vertical">
                    <Canvas Height="22" Background="Transparent" Name="TitleCanvas" PreviewMouseLeftButtonDown="DragWindow">
                        <Label FontWeight="Bold" FontFamily="Elephant" FontStyle="Italic" HorizontalAlignment="Left" Grid.Column="0">Test Title</Label>
                    </Canvas>
                    <Menu Height="22" Background="Transparent" BorderThickness="0" >
                        <MenuItem Header="File">
                            <MenuItem Header="Exit" Click="Exit_Click" />
                        </MenuItem>
                        <MenuItem Header="Help">
                            <MenuItem Header="About..." />
                        </MenuItem>
                    </Menu>
                </StackPanel>
            </Border>
            <Grid Grid.Row="1">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="200" MinWidth="25" MaxWidth="{Binding ElementName=MainWindow, Path=ActualWidth}"/>
                    <ColumnDefinition Width="*" MinWidth="25"/>
                </Grid.ColumnDefinitions>
                <StackPanel Grid.Column="0" x:Name="NavPanel">
                    <TreeView x:Name="NavTree" Background="Transparent" Height="{Binding ElementName=NavPanel, Path=ActualHeight}" BorderThickness="0"></TreeView>
                </StackPanel>
                <GridSplitter Width="3px"></GridSplitter>
                <StackPanel x:Name="lvPanel" Grid.Column="1" Background="Transparent">
                    <ListView Name="listView1" Width="{Binding ElementName=lvPanel, Path=ActualWidth}" Height="{Binding ElementName=lvPanel, Path=ActualHeight}" BorderThickness="0" Background="Transparent"/>
                </StackPanel>
            </Grid>
            <GridSplitter Grid.Row="2" ResizeDirection="Rows"
                    Grid.ColumnSpan="2"
                    HorizontalAlignment="Stretch"
                    VerticalAlignment="Top"
                    Height="3px"/>
        </Grid>
    </Border>
</Window>

ravi.vellanky wrote:

is it possible to show the progress bar in all pages while loading?

Mark Salsbery
Microsoft MVP - Visual C++

Mark Salsbery wrote:

Note the default is "white", and if you use transparent, I'm pretty sure
you'll see black.