我正在尝试开发一个看起来像Windows媒体中心菜单的菜单。所以我将一个usercontrol作为一个包含menuitems的容器(每个menuitems都是一个usercontrol)。我想在点击按钮后隐藏或显示容器。所以在按钮的click事件中,我设置为true依赖属性& #34; DisappearProperty" (位于容器中)。但这种方法不起作用。
消失容器,我触发了一个基于" DisappearProperty"的故事板。的DependencyProperty。这里是代码:
//The container
<UserControl x:Class="MyUserControls.WMCBorder"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
mc:Ignorable="d"
Name="UC"
d:DesignHeight="300" d:DesignWidth="300">
<UserControl.Resources>
<ControlTemplate x:Key="ctContainer">
<ControlTemplate.Resources>
<Storyboard x:Key="SBDisappear">
<DoubleAnimation Storyboard.TargetName="borderZooming"
Storyboard.TargetProperty="ScaleX"
From="1" To="4.0"
Duration="0:0:0.1"/>
<DoubleAnimation Storyboard.TargetName="borderZooming"
Storyboard.TargetProperty="ScaleY"
From="1" To="4.0"
Duration="0:0:0.1"/>
<DoubleAnimation Storyboard.TargetName="container"
Storyboard.TargetProperty="Opacity"
From="1"
To="0"
Duration="0:0:0.1"/>
</Storyboard>
<Storyboard x:Key="SBDisplay">
<DoubleAnimation Storyboard.TargetName="borderZooming"
Storyboard.TargetProperty="ScaleX"
From="4" To="1.0"
Duration="0:0:0.1"/>
<DoubleAnimation Storyboard.TargetName="borderZooming"
Storyboard.TargetProperty="ScaleY"
From="4" To="1.0"
Duration="0:0:0.1"/>
<DoubleAnimation Storyboard.TargetName="container"
Storyboard.TargetProperty="Opacity"
From="0"
To="1"
Duration="0:0:0.1"/>
</Storyboard>
</ControlTemplate.Resources>
<Border x:Name="container">
<Border.RenderTransform>
<ScaleTransform x:Name="borderZooming" ScaleX="0.1" ScaleY="0.1"/>
</Border.RenderTransform>
<Grid>
<ContentPresenter />
</Grid>
</Border>
<ControlTemplate.Triggers>
<DataTrigger Binding="{Binding Path=DisappearProperty}" Value="true">
<DataTrigger.EnterActions>
<BeginStoryboard Storyboard="{StaticResource SBDisappear}"/>
</DataTrigger.EnterActions>
</DataTrigger>
<DataTrigger Binding="{Binding Path=DisplayProperty}" Value="True">
<DataTrigger.EnterActions>
<BeginStoryboard Storyboard="{StaticResource SBDisplay}"/>
</DataTrigger.EnterActions>
</DataTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</UserControl.Resources>
<Grid>
</Grid>
//Code behind of the container
public partial class WMCBorder : UserControl
{
public WMCBorder()
{
InitializeComponent();
}
public bool Disappear
{
get { return (bool)GetValue(DisappearProperty); }
set { SetValue(DisappearProperty, value); }
}
// Using a DependencyProperty as the backing store for Disappear. This enables animation, styling, binding, etc...
public static readonly DependencyProperty DisappearProperty =
DependencyProperty.Register("Disappear", typeof(bool), typeof(WMCBorder), new PropertyMetadata(false));
public bool Display
{
get { return (bool)GetValue(DisplayProperty); }
set { SetValue(DisplayProperty, value); }
}
// Using a DependencyProperty as the backing store for Disappear. This enables animation, styling, binding, etc...
public static readonly DependencyProperty DisplayProperty =
DependencyProperty.Register("Display", typeof(bool), typeof(WMCBorder), new PropertyMetadata(false));
}
//The click event of the Hide button
private void Button_Click(object sender, RoutedEventArgs e)
{
wmcb.Disappear = true;
}
//The click event of the Hide button
private void Button2_Click(object sender, RoutedEventArgs e)
{
wmcb.Display= true;
}
提前致谢。
由于到目前为止我没有收到回复,所以我简化了post
上的问题