wpf 列表、菜单 收起与展开,通过Grid DoubleAnimation或者Expander实现
菜单收缩有很多种方法具体如何实现还是看个人想法:
第一种通过后台控制收起与展开:
效果图:

代码 :
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition x:Name="/>
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Grid>
<Grid x:Name="ListMenu" Background="#070607" Focusable="False">
</Grid>
</Grid>
<Grid Grid.Column=" Background="#211E1E">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid Background="#211E1E">
<Border Height=" Margin="-6,0,0,0" Background="#070607"
MouseLeftButtonDown="No_MouseLeftButtonDown" ToolTip="展开">
<Border Height=" Margin="-2,0,0,0">
<Border.Background>
<ImageBrush ImageSource="/Image/Open.png"/>
</Border.Background>
</Border>
</Border>
</Grid>
<Grid Grid.Column=">
</Grid>
</Grid>
</Grid>
后台定义:
private DoubleAnimation c_daListAnimation;
public bool c_bState = true;//记录菜单栏状态 false隐藏 true显示
主窗体Loaded和border的MouseLeftButtonDown事件
void Window1_Loaded(object sender, RoutedEventArgs e)
{
c_daListAnimation = new DoubleAnimation();
}
private void No_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (c_bState)
{
c_bState = false;
c_daListAnimation.From = ;
c_daListAnimation.To = -;
cd.Width = );
}
else
{
c_bState = true;
c_daListAnimation.From = -;
c_daListAnimation.To = ;
cd.Width = );
}
}
第二种实现方法是通过Expander修改模板实现(效果图如下)
效果图:

修改后台模板代码:
<SolidColorBrush x:Key="Expander.MouseOver.Circle.Stroke" Color="#FF3C7FB1"/>
<SolidColorBrush x:Key="Expander.MouseOver.Circle.Fill" Color="Transparent"/>
<SolidColorBrush x:Key="Expander.MouseOver.Arrow.Stroke" Color="#222"/>
<SolidColorBrush x:Key="Expander.Pressed.Circle.Stroke" Color="#FF526C7B"/>
<SolidColorBrush x:Key="Expander.Pressed.Circle.Fill" Color="Transparent"/>
<SolidColorBrush x:Key="Expander.Pressed.Arrow.Stroke" Color="#FF003366"/>
<SolidColorBrush x:Key="Expander.Disabled.Circle.Stroke" Color="DarkGray"/>
<SolidColorBrush x:Key="Expander.Disabled.Circle.Fill" Color="Transparent"/>
<SolidColorBrush x:Key="Expander.Disabled.Arrow.Stroke" Color="#666"/>
<SolidColorBrush x:Key="Expander.Static.Circle.Fill" Color="Transparent"/>
<SolidColorBrush x:Key="Expander.Static.Circle.Stroke" Color="DarkGray"/>
<SolidColorBrush x:Key="Expander.Static.Arrow.Stroke" Color="#666"/>
<Style x:Key="ExpanderRightHeaderStyle" TargetType="{x:Type ToggleButton}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ToggleButton}">
<Border Padding="{TemplateBinding Padding}">
<Grid Background="Transparent" SnapsToDevicePixels="False">
<Grid>
<Grid.LayoutTransform>
<TransformGroup>
<TransformGroup.Children>
<TransformCollection>
<RotateTransform Angle="/>
</TransformCollection>
</TransformGroup.Children>
</TransformGroup>
</Grid.LayoutTransform>
<Rectangle x:Name="/>
<Path x:Name=" VerticalAlignment="Center"/>
</Grid>
<ContentPresenter HorizontalAlignment=" RecognizesAccessKey="True" SnapsToDevicePixels="True" VerticalAlignment="Top"/>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="true">
<Setter Property="Data" TargetName="arrow" Value="M 1,4.5 L 4.5,1 L 8,4.5"/>
</Trigger>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Stroke" TargetName="circle" Value="{StaticResource Expander.MouseOver.Circle.Stroke}"/>
<Setter Property="Fill" TargetName="circle" Value="{StaticResource Expander.MouseOver.Circle.Fill}"/>
<Setter Property="Stroke" TargetName="arrow" Value="{StaticResource Expander.MouseOver.Arrow.Stroke}"/>
</Trigger>
<Trigger Property="IsPressed" Value="true">
<Setter Property="StrokeThickness" TargetName="arrow" Value="1.5"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Stroke" TargetName="circle" Value="{StaticResource Expander.Disabled.Circle.Stroke}"/>
<Setter Property="Fill" TargetName="circle" Value="{StaticResource Expander.Disabled.Circle.Fill}"/>
<Setter Property="Stroke" TargetName="arrow" Value="{StaticResource Expander.Disabled.Arrow.Stroke}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="ExpanderLeftHeaderStyle" TargetType="{x:Type ToggleButton}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ToggleButton}">
<Border Padding="{TemplateBinding Padding}">
<Grid Background="Transparent" SnapsToDevicePixels="False">
<Grid>
<Grid.LayoutTransform>
<TransformGroup>
<TransformGroup.Children>
<TransformCollection>
<RotateTransform Angle="/>
</TransformCollection>
</TransformGroup.Children>
</TransformGroup>
</Grid.LayoutTransform>
<Rectangle x:Name="/>
<Path x:Name=" VerticalAlignment="Center"/>
</Grid>
<ContentPresenter HorizontalAlignment=" RecognizesAccessKey="True" SnapsToDevicePixels="True" VerticalAlignment="Top"/>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="true">
<Setter Property="Data" TargetName="arrow" Value="M 1,1.5 L 4.5,5 L 8,1.5"/>
</Trigger>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Stroke" TargetName="circle" Value="{StaticResource Expander.MouseOver.Circle.Stroke}"/>
<Setter Property="Fill" TargetName="circle" Value="{StaticResource Expander.MouseOver.Circle.Fill}"/>
<Setter Property="Stroke" TargetName="arrow" Value="{StaticResource Expander.MouseOver.Arrow.Stroke}"/>
</Trigger>
<Trigger Property="IsPressed" Value="true">
<Setter Property="StrokeThickness" TargetName="arrow" Value="1.5"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Stroke" TargetName="circle" Value="{StaticResource Expander.Disabled.Circle.Stroke}"/>
<Setter Property="Fill" TargetName="circle" Value="{StaticResource Expander.Disabled.Circle.Fill}"/>
<Setter Property="Stroke" TargetName="arrow" Value="{StaticResource Expander.Disabled.Arrow.Stroke}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="ExpanderHeaderFocusVisual">
<Setter Property="Control.Template">
<Setter.Value>
<ControlTemplate>
<Border>
<Rectangle Margin=" StrokeDashArray="1 2"/>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="ExpanderStyle1" TargetType="{x:Type Expander}">
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="Background" Value="Transparent"/>
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<Setter Property="VerticalContentAlignment" Value="Stretch"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Expander}">
<Border BorderBrush=" SnapsToDevicePixels="true">
<DockPanel>
<ToggleButton x:Name="HeaderSite"
ContentTemplate="{TemplateBinding HeaderTemplate}"
ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}"
Content="{TemplateBinding Header}" DockPanel.Dock="Top"
Foreground="{TemplateBinding Foreground}" FontWeight="{TemplateBinding FontWeight}"
FocusVisualStyle="{StaticResource ExpanderHeaderFocusVisual}" FontStyle="{TemplateBinding FontStyle}"
FontStretch="{TemplateBinding FontStretch}" FontSize="{TemplateBinding FontSize}"
FontFamily="{TemplateBinding FontFamily}"
HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"
Margin=" Padding="{TemplateBinding Padding}"
Style="{StaticResource ExpanderLeftHeaderStyle}"
VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
<ContentPresenter x:Name="ExpandSite" DockPanel.Dock="Bottom" Focusable="false" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" Visibility="Collapsed" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</DockPanel>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsExpanded" Value="true">
<Setter Property="Visibility" TargetName="ExpandSite" Value="Visible"/>
</Trigger>
<Trigger Property="ExpandDirection" Value="Right">
<Setter Property="DockPanel.Dock" TargetName="ExpandSite" Value="Right"/>
<Setter Property="DockPanel.Dock" TargetName="HeaderSite" Value="Left"/>
<Setter Property="Style" TargetName="HeaderSite" Value="{StaticResource ExpanderRightHeaderStyle}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
expander(button样式自己写吧)
<Expander ExpandDirection=" Style="{DynamicResource ExpanderStyle1}" IsExpanded="True">
<DockPanel Background="#FF5750">
<Image DockPanel.Dock=" Margin="10,20"/>
<Button DockPanel.Dock="Top" Foreground="White" Template="{StaticResource IconButtonTemplate}" Margin="0,2">
<Button.Content>
<StackPanel Orientation="Horizontal" Margin="20,0">
<Image Source="/>
<TextBlock Margin="15,0" VerticalAlignment="Center" Text="消息列表"/>
</StackPanel>
</Button.Content>
</Button>
<Button DockPanel.Dock="Top" Foreground="White" Template="{StaticResource IconButtonTemplate}" Margin="0,2">
<Button.Content>
<StackPanel Orientation="Horizontal" Margin="20,0">
<Image Source="/>
<TextBlock Margin="15,0" VerticalAlignment="Center" Text="所有应用"/>
</StackPanel>
</Button.Content>
</Button>
<Button DockPanel.Dock="Top" Foreground="White" Template="{StaticResource IconButtonTemplate}" Margin="0,2">
<Button.Content>
<StackPanel Orientation="Horizontal" Margin="20,0">
<Image Source="/>
<TextBlock Margin="15,0" VerticalAlignment="Center" Text="时间安排"/>
</StackPanel>
</Button.Content>
</Button>
<Label/>
</DockPanel>
</Expander>
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