Wpf Resizing Problem

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Hello, I have a window [^] made up of StackPanels(with background images) arranged in 3 DockPanels(which are contained by another DockPanel). Sometimes if I resize the window(in Visual Studio) and then compile it and run, it looks a bit wrong like this[^]. Why is this happening? How can I solve it?

XML

<Grid>
        <DockPanel LastChildFill="True" HorizontalAlignment="Stretch" Height="Auto">
            <DockPanel Height="31" DockPanel.Dock="Top" VerticalAlignment="Top">
                <StackPanel Height="31" HorizontalAlignment="Left" Name="CornerUpLeft" VerticalAlignment="Top" Width="31" Orientation="Vertical">
                    <StackPanel.Background>
                        <ImageBrush ImageSource="/Hologram;component/Images/HoloCorner.png" TileMode="Tile" Viewport="0,0,31,31" ViewportUnits="Absolute" />
                    </StackPanel.Background>
                </StackPanel>
                <StackPanel Height="31" HorizontalAlignment="Right" Name="CornerUpRight" VerticalAlignment="Top" Width="31" DockPanel.Dock="Right" Margin="0">
                    <StackPanel.Background>
                        <ImageBrush ImageSource="/Hologram;component/Images/HoloXCorner.png" Stretch="Fill" TileMode="Tile" Viewport="0,0,31,31" ViewportUnits="Absolute" />
                    </StackPanel.Background>
                </StackPanel>
                <StackPanel Height="32" Margin="0" Name="XUp" VerticalAlignment="Top" Width="Auto" DockPanel.Dock="Top">
                    <StackPanel.Background>
                        <ImageBrush ImageSource="/Hologram;component/Images/HoloX.png" TileMode="Tile" Viewport="0,0,31,31" ViewportUnits="Absolute" />
                    </StackPanel.Background>
                </StackPanel>
            </DockPanel>
            <DockPanel Name="Bottom" Height="31" Width="Auto" DockPanel.Dock="Bottom" VerticalAlignment="Bottom" LastChildFill="True">
                <StackPanel Height="31" HorizontalAlignment="Left" Margin="0" Name="CornerDownLeft" VerticalAlignment="Center" Width="31">
                    <StackPanel.Background>
                        <ImageBrush ImageSource="/Hologram;component/Images/HoloYCorner.png" Stretch="Fill" TileMode="Tile" Viewport="0,0,31,31" ViewportUnits="Absolute" />
                    </StackPanel.Background>
                </StackPanel>
                <StackPanel Height="31" Margin="0,0,31,0" Name="XDown" VerticalAlignment="Center" DockPanel.Dock="Bottom" Width="Auto">
                    <StackPanel.Background>
                        <ImageBrush ImageSource="/Hologram;component/Images/HoloXF.png" Stretch="Fill" TileMode="Tile" Viewport="0,0,31,31" ViewportUnits="Absolute" />
                    </StackPanel.Background>
                </StackPanel>
                <StackPanel Height="31" HorizontalAlignment="Right" Margin="0,0,0,-31" Name="CornerDownRight" VerticalAlignment="Bottom" Width="31" DockPanel.Dock="Bottom">
                    <StackPanel.Background>
                        <ImageBrush ImageSource="/Hologram;component/Images/HoloXYCorner.png" Stretch="Fill" TileMode="Tile" Viewport="0,0,31,31" ViewportUnits="Absolute" />
                    </StackPanel.Background>
                </StackPanel>
            </DockPanel>
            <DockPanel Height="Auto" Name="dockPanel1" Width="Auto" DockPanel.Dock="Top" LastChildFill="True">
                <StackPanel HorizontalAlignment="Left" Margin="0" Name="YLeft" VerticalAlignment="Stretch" Width="31" Orientation="Vertical" DockPanel.Dock="Left">
                    <StackPanel.Background>
                        <ImageBrush ImageSource="/Hologram;component/Images/HoloY.png" Stretch="Fill" TileMode="Tile" Viewport="0,0,31,31" ViewportUnits="Absolute" />
                    </StackPanel.Background>
                </StackPanel>
                <StackPanel Height="Auto" Name="YRight" Width="31" HorizontalAlignment="Right" Orientation="Horizontal" DockPanel.Dock="Right">
                    <StackPanel.Background>
                        <ImageBrush ImageSource="/Hologram;component/Images/HoloYF.png" Stretch="Fill" TileMode="Tile" Viewport="0,0,31,31" ViewportUnits="Absolute" />
                    </StackPanel.Background>
                </StackPanel>
                <StackPanel Name="Fill" DockPanel.Dock="Top">
                    <StackPanel.Background>
                        <ImageBrush ImageSource="/Hologram;component/Images/HoloFill.png" Stretch="Fill" TileMode="Tile" Viewport="0,0,31,31" ViewportUnits="Absolute" />
                    </StackPanel.Background>
                </StackPanel>
            </DockPanel>
        </DockPanel>
        <Image Name="Close" Stretch="Fill" HorizontalAlignment="Right" VerticalAlignment="Top" Width="34" Height="32" Source="/Hologram;component/Images/HoloButtonXD.png" Margin="0,0,18,0" />
    <Image Height="20" Name="Minimize" Stretch="Fill" Width="28" HorizontalAlignment="Right" VerticalAlignment="Top" Source="/Hologram;component/Images/HoloButtonMinD.png" StretchDirection="Both" Margin="0,13,52,0" />
    </Grid>

Posted 29-Aug-11 9:46am

mostwanted4

Updated 29-Aug-11 10:20am

v2

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Simon Bang Terkildsen · Accepted Answer · 2011-08-29T09:59:00

Never ever trust in the designer whether it's for WPF, Winforms, Swing or whatever.
Without seeing your xaml it's difficult to say what is wrong. So the best I can do is try setting SnapsToDevicePixels="True"

Thanks for the answer but is still doesn't display properly. Any other suggestions?
Yes and sorry if seem I a bit harsh now, but advice that seem harsh is mostly very useful :)
Rewrite your XAML it's just way to complex for the simple effect you want.
1) Don't use StackPanel as a means to display an image it's a layout Panel, as in used to layout UI elements.
2) Use a Grid width 3 columns and 3 rows to make your effect, it's simply and very easy for others to see what you're doing.
3) I'm in a generous mood today, so here is how I would do it, the last two images I don't really understand how fit in so I've left them as they where.

XML

<Grid>
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="31"/>
        <ColumnDefinition Width="*"/>
        <ColumnDefinition Width="31"/>
    </Grid.ColumnDefinitions>
    <Grid.RowDefinitions>
        <RowDefinition Height="31"/>
        <RowDefinition Height="*"/>
        <RowDefinition Height="31"/>
    </Grid.RowDefinitions>

    <Image Source="/Hologram;component/Images/HoloCorner.png"/>
    <Image Source="/Hologram;component/Images/HoloX.png" Grid.Column="1"/>
    <Image Source="/Hologram;component/Images/HoloXCorner.png" Grid.Column="2"/>

    <Image Source="/Hologram;component/Images/HoloY.png" Grid.Row="1"/>
    <Image Source="/Hologram;component/Images/HoloFill.png" Grid.Column="1" Grid.Row="1"/>
    <Image Source="/Hologram;component/Images/HoloYF.png" Grid.Column="2" Grid.Row="1"/>

    <Image Source="/Hologram;component/Images/HoloYCorner.png" Grid.Row="2"/>
    <Image Source="/Hologram;component/Images/HoloXF.png" Grid.Column="1" Grid.Row="2"/>
    <Image Source="/Hologram;component/Images/HoloXYCorner.png" Grid.Column="2"
           Grid.Row="2"/>

    <Image Name="Close" Stretch="Fill" HorizontalAlignment="Right" VerticalAlignment="Top"
           Width="34" Height="32" Source="/Hologram;component/Images/HoloButtonXD.png" 
           Margin="0,0,18,0" />
    <Image Height="20" Name="Minimize" Stretch="Fill" Width="28"
           HorizontalAlignment="Right" VerticalAlignment="Top"
           Source="/Hologram;component/Images/HoloButtonMinD.png" StretchDirection="Both"
           Margin="0,13,52,0" />

</Grid>

This might very well solve your problem, but no garentees. make the change and then if you're still having problems, then lets take it from there :D

Just updated the XAML I had messed up Grid.Row on some of the elements :^)