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How would I make a control fade in/out when it becomes Visible. Below is my failed attempt: <Window x:Class="WadFileTester.Form1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Name="MyWindow" Title="WAD File SI Checker" Height="386" Width="563" WindowStyle="SingleBorderWindow" DragEnter="Window_DragEnter" DragLeave="Window_DragLeave" DragOver="Window_DragOver" Drop="Window_Drop" AllowDrop="True"> <Window.Resources> <Style TargetType="ListView" x:Key="animatedList"> <Style.Triggers> <DataTrigger Binding="{Binding Visibility}" Value="Visible"> <DataTrigger.EnterActions> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" From="0.0" To="1.0" Duration="0:0:5" /> </Storyboard> </BeginStoryboard> </DataTrigger.EnterActions> <DataTrigger.ExitActions> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" From="1.0" To="0.0" Duration="0:0:5" /> </Storyboard> </BeginStoryboard> </DataTrigger.ExitActions> </DataTrigger> </Style.Triggers> </Style> </Window.Resources> <Grid> <ListView Name="listView1" Style="{Stat

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