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我開始學習一點WPF和Mahapps.metro，所以我對這些很新，這裏的問題：WPF＆C＃[Mahapps.Metro]動畫控件
我有一個按鈕和兩個文本框，文本框的可見性隱藏在窗體加載時，所以當用戶單擊按鈕時，文本框的可見性將是可見的，但我希望文本框出現與Mahapps爲MetroWindow提供的表單加載的「幻燈片」動畫。
我試過使用TransitioningContentControl，但我無法做到這一點。我非常感謝你的幫助，謝謝。
我的XAML：
<Controls:MetroWindow x:Class="practicas.nuevo"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:practicas"
mc:Ignorable="d"
xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
xmlns:behaviours="clr-namespace:MahApps.Metro.Behaviours;assembly=MahApps.Metro"
xmlns:Controls="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
xmlns:sys="clr-namespace:System;assembly=mscorlib"
Title="Reporte Nuevo" Height="300" Width="574.444" Loaded="formload">
<Controls:MetroWindow.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/Purple.xaml" />
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/BaseDark.xaml" />
<ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.AnimatedTabControl.xaml" />
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Controls:MetroWindow.Resources>
<Grid>
<Controls:TransitioningContentControl x:Name="transitioning" Transition="Down"/>
<Button x:Name="button" Content="Button" HorizontalAlignment="Left" Margin="238,89,0,0" VerticalAlignment="Top" Width="75" Click="button_Click"/>
<TextBox x:Name="textBox1" HorizontalAlignment="Left" Height="95" Margin="345,51,0,0" TextWrapping="Wrap" AcceptsReturn="True" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Disabled" VerticalAlignment="Top" Width="211" Controls:TextBoxHelper.Watermark="Hi Im a watermark" Background="#FF7400FF"/>
<TextBox x:Name="textBox2" HorizontalAlignment="Left" Height="95" Margin="0,51,0,0" TextWrapping="Wrap" AcceptsReturn="True" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Disabled" VerticalAlignment="Top" Width="211" Controls:TextBoxHelper.Watermark="Hi im another watermark" Background="#FF7400FF"/>
</Grid>
</Controls:MetroWindow>
編輯：這個方法給我的解決方案中，唯一的區別是，我使用的控制是ContentControl中，而不是StackPanel的，這裏是我的人誰願意做一些XAML像這樣： PS：標記爲答案，謝謝。
<Controls:TransitioningContentControl x:Name="transitioning" Transition="Left">
</Controls:TransitioningContentControl>
<Controls:TransitioningContentControl x:Name="transitioning2" Transition="Up">
</Controls:TransitioningContentControl>
<Controls:TransitioningContentControl x:Name="transitioning3" Transition="Up">
</Controls:TransitioningContentControl>
<ContentControl x:Name="panel" Margin="-10,0,0,0" Visibility="Hidden">
<Canvas x:Name="canvas">
<Label x:Name="label" Content="Reporte Recibido:" Canvas.Left="10" Canvas.Top="41" Width="112"/>
<Label x:Name="label2" Content="Acciones a tomar:" Canvas.Left="600" Canvas.Top="41" Background="{x:Null}" RenderTransformOrigin="0.497,0.551"/>
<Controls:ToggleSwitch x:Name="ToggleSwitch" Style="{StaticResource MahApps.Metro.Styles.ToggleSwitch.Win10}" Canvas.Left="284" Canvas.Top="122" OnLabel="Confirmado" OffLabel="Por Confirmar" RenderTransformOrigin="0.5,0.5" Visibility="Hidden" Width="140" Checked="switched" Unchecked="unswitched" />
<Image x:Name="accion" Height="25" Width="33" Canvas.Left="671" Canvas.Top="218" Source="Imagenes/Add-New.png" MouseDown="accionagregar"/>
<RichTextBox x:Name="RichTextbox1" HorizontalAlignment="Left" Height="154" AcceptsReturn="True" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Disabled" VerticalAlignment="Top" Width="284" Canvas.Left="438" Canvas.Top="64" TextChanged="textchanged" RenderTransformOrigin="0.815,0.541" Background="#FF7400FF" GotFocus="focus">
<xctk:RichTextBoxFormatBarManager.FormatBar >
<xctk:RichTextBoxFormatBar />
</xctk:RichTextBoxFormatBarManager.FormatBar>
<FlowDocument/>
</RichTextBox>
<RichTextBox x:Name="RichTextbox2" Background="#FF7400FF" Canvas.Top="64" GotFocus="reportefocus" Height="154" Width="274" Canvas.Left="5">
<xctk:RichTextBoxFormatBarManager.FormatBar >
<xctk:RichTextBoxFormatBar />
</xctk:RichTextBoxFormatBarManager.FormatBar>
<FlowDocument/>
</RichTextBox>
<Rectangle x:Name="reporteimagen" HorizontalAlignment="Left" Height="100" Margin="83,99,0,0" VerticalAlignment="Top" Width="100">
<Rectangle.Fill>
<VisualBrush Visual="{StaticResource appbar_book_open_text}"/>
</Rectangle.Fill>
</Rectangle>
<Rectangle x:Name="accionesimagen" HorizontalAlignment="Left" Height="100" Margin="536,99,0,0" VerticalAlignment="Top" Width="100" >
<Rectangle.Fill>
<VisualBrush Visual="{StaticResource appbar_book_list}"/>
</Rectangle.Fill>
</Rectangle>
<xctk:DateTimePicker x:Name="datetime" Width="162" Canvas.Left="504" Canvas.Top="218" Foreground="White" Format="Custom" FormatString="hh:mm tt" TimeFormat="Custom" TimeFormatString="hh:mm tt" CultureInfo="es-GT" ShowDropDownButton="False" Text="DefaultValue" IsReadOnly="True"/>
<Image x:Name="image7" Height="27" Canvas.Left="697" Canvas.Top="6" Width="33" Source="Imagenes/Repeat-All.png" RenderTransformOrigin="0.471,0.596" ToolTip="Reiniciar" MouseDown="reiniciar" Visibility="Hidden"/>
</Canvas>
</ContentControl>
<ContentControl x:Name="panel2" Visibility="Hidden">
<Canvas>
<Label x:Name="label5" Content="Reporte Creado Por:" HorizontalAlignment="Center" HorizontalContentAlignment="Center" Canvas.Left="18" Canvas.Top="329" Background="{x:Null}" RenderTransformOrigin="0.497,0.551" Width="128"/>
<Label x:Name="label6" Content="Correlativo" HorizontalAlignment="Center" HorizontalContentAlignment="Center" Canvas.Left="305" Canvas.Top="329" Background="{x:Null}" RenderTransformOrigin="0.497,0.551" Width="128"/>
<Label x:Name="label7" Content="Creado En:" HorizontalAlignment="Center" HorizontalContentAlignment="Center" Canvas.Left="592" Canvas.Top="329" Background="{x:Null}" RenderTransformOrigin="0.497,0.551" Width="128"/>
<TextBox x:Name="textBox3" Height="23" HorizontalContentAlignment="Center" Canvas.Left="305" Canvas.Top="355" Width="128" IsReadOnly="True" Controls:TextBoxHelper.Watermark="Se genera al concluir."/>
<TextBox x:Name="textBox4" Height="23" HorizontalContentAlignment="Center" Canvas.Left="18" Canvas.Top="355" Width="128" IsReadOnly="True"/>
<TextBox x:Name="textBox5" Height="23" HorizontalContentAlignment="Center" Canvas.Left="592" Canvas.Top="355" Width="128" IsReadOnly="True"/>
<Image x:Name="image1" Height="44" Canvas.Left="504" Canvas.Top="337" Width="51" Source="Imagenes/Mail-Send.png" MouseDown="enviar" Visibility="Hidden"/>
<Image x:Name="image2" Height="44" Canvas.Left="225" Canvas.Top="337" Width="51" Source="Imagenes/User-Add.png"/>
<Image x:Name="image3" Height="44" Canvas.Left="169" Canvas.Top="337" Width="51" Source="Imagenes/Recycle-Bin.png" MouseDown="cancelar"/>
<Image x:Name="image5" Height="44" Canvas.Left="443" Canvas.Top="337" Width="51" Source="Imagenes/Lock.png"/>
<Image x:Name="image4" Height="44" Canvas.Left="443" Canvas.Top="337" Width="51" Source="Imagenes/Lock-Open.png"/>
</Canvas>
</ContentControl>
顯示你的'XAML' – Peter