Hi iam using a listbox to show a list of items. in the listbox i ahve an togglebutton on every item. When i click on the toggle button the state of the togglebutton is pressed. But when i am scrolling down in the listbox and scolls up again. The togglebutton state is not pressed. How can i prevent this please help.

Heres my itemtemplate

<ListBox.ItemTemplate>
<DataTemplate>
        <StackPanel Margin="0,3,0,0">
            <Border BorderBrush="Black" BorderThickness="1,1,1,1">
                <Border.Background>
                    <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0" MappingMode="RelativeToBoundingBox">
                        <GradientStop Color="#FFECECEC" Offset="1"/>
                        <GradientStop Color="#FFE8E8E8"/>
                        <GradientStop Color="#FFBDBDBD" Offset="0.153"/>
                        <GradientStop Color="#FFE8E8E8" Offset="0.904"/>
                    </LinearGradientBrush>
                </Border.Background>
                <Border.Style>
                    <Style>
                        <Style.Triggers>
                            <DataTrigger Binding="{Binding Path=IsSelected, RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type ListBoxItem}}}" Value="True">
                                <Setter Property="Border.Height" Value="100"/>
                                <Setter Property="Border.Background">
                                    <Setter.Value>
                                        <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0" MappingMode="RelativeToBoundingBox">
                                            <GradientStop Color="DarkGray" Offset="1"/>
                                            <GradientStop Color="#FFE8E8E8"/>
                                            <GradientStop Color="#FFBDBDBD" Offset="0.153"/>
                                            <GradientStop Color="DarkGray" Offset="0.904"/>
                                        </LinearGradientBrush>
                                    </Setter.Value>
                                </Setter>
                            </DataTrigger>
                        </Style.Triggers>
                    </Style>
                </Border.Style>
                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                    <Grid>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="500"/>
                            <ColumnDefinition Width="100"/>
                            <ColumnDefinition Width="55"/>
                        </Grid.ColumnDefinitions>

                        <!--Pick number-->
                        <StackPanel Grid.Column="0" VerticalAlignment="Center" Orientation="Vertical">
                            <TextBlock Text="{Binding Path=FtgNamn}" FontWeight="Bold" FontSize="22pt" FontFamily="Calibri"/>
                            <TextBlock Text="{Binding Path=LevsAttBeskr}" FontSize="18pt" FontFamily="Calibri"/>
                        </StackPanel>

                        <!--Pick Quantity-->
                        <StackPanel Grid.Column="1" VerticalAlignment="Center">
                            <TextBlock Text="{Binding Path=Antal}" FontSize="44pt" FontFamily="Calibri"/>
                        </StackPanel>

                        <!-- Checkbox-->
                        <StackPanel Grid.Column="2" VerticalAlignment="Center" HorizontalAlignment="Center">
                            <ToggleButton Name="Check" Width="40" Height="40" Click="Check_Click" Tag="{Binding Path=Plocklista}">
                                <ToggleButton.Style>
                                    <Style TargetType="ToggleButton">
                                        <Setter Property="Template">
                                            <Setter.Value>
                                                <ControlTemplate TargetType="{x:Type ToggleButton}">
                                                    <Border x:Name="InnerBorder" Background="White" BorderBrush="Black" BorderThickness="1"/>
                                                    <ControlTemplate.Triggers>
                                                        <Trigger Property="IsChecked" Value="True">
                                                            <Setter TargetName="InnerBorder" Property="Background">
                                                                <Setter.Value>
                                                                    <ImageBrush ImageSource="/Images/button_ok.png"/>
                                                                </Setter.Value>
                                                            </Setter>
                                                            <Setter TargetName="InnerBorder" Property="BorderThickness" Value="0"/>
                                                        </Trigger>
                                                    </ControlTemplate.Triggers>
                                                </ControlTemplate>
                                            </Setter.Value>
                                        </Setter>
                                    </Style>
                                </ToggleButton.Style>
                            </ToggleButton>
                        </StackPanel>

                    </Grid>

                    <Border BorderBrush="Darkgray" BorderThickness="0,0,1,0">

                    </Border>
                    <TextBlock Width="100" Text="{Binding Path=Quantity}" FontSize="44pt" FontFamily="Calibri"/>
                    <CheckBox Width="78"/>
                </StackPanel>
            </Border>
        </StackPanel>

</DataTemplate>