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Org Chart Node loses changes on Redraw
posted

Hello all, I'm working with my first org chart and it's not behaving.  I have a tree of nodes that have a template:

 

            <DataTemplate x:Key="ScreenDataTemplate">

                <StackPanel Orientation="Vertical" Width="Auto" Height="Auto" Background="#533090">

                    <ListBox ItemsSource="{Binding DerivedScreens}" BorderThickness="1" BorderBrush="Black" Margin="0"

                             Background="#F0E91B" HorizontalContentAlignment="Stretch">

                        <ListBox.ItemTemplate>

                            <DataTemplate>

                                <TextBlock Name="text" Loaded="SubScreenLoaded" Text="{Binding Name}" FontWeight="Bold" FontSize="16" Foreground="#533090" Margin="0" >

                                    <TextBlock.Resources>

                                        <Storyboard x:Name="fadeOutStory">

                                            <DoubleAnimation Storyboard.TargetName="text"

                                                Storyboard.TargetProperty="Opacity" From="1.0" To="0.25" Duration="0:0:1" />

                                            <ColorAnimation Duration="0:0:01" To="#BEBEBE" 

                                                            Storyboard.TargetName="text"

                                                            Storyboard.TargetProperty="(Control.Foreground).(SolidColorBrush.Color)" 

                                                            />                               

                                        </Storyboard>

                                        <Storyboard x:Name="fadeInStory">

                                            <DoubleAnimation Storyboard.TargetName="text"

                                                Storyboard.TargetProperty="Opacity" From="0.25" To="1.0" Duration="0:0:1" />

                                            <ColorAnimation Duration="0:0:01" To="#533090" 

                                                            Storyboard.TargetName="text"

                                                            Storyboard.TargetProperty="(Control.Foreground).(SolidColorBrush.Color)" />                               

                                        </Storyboard>

                                    </TextBlock.Resources>

                                </TextBlock>

                            </DataTemplate>

                        </ListBox.ItemTemplate>

                    </ListBox>

                </StackPanel>

            </DataTemplate>

 

Based on another input, I run the story for a textblock.  However, if I zoom in on the tree and the node happens to go off the page, the story effects are removed when I zoom back out.  I've spent hours with the LayoutUpdated() method for the TextBlock and have not come up with a good solution.  In the code behind, I am keeping all of the textblocks in a dictionary when they are loaded so that I can iterate through them later.  I can post more code as needed.

 

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