我在 XAML 中为我的 UWP 应用程序创建了这个"汉堡菜单"。我使用框架在单击菜单项时显示不同的页面。
我的 XAML:
<Grid.Background>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FF298025" Offset="0"/>
<GradientStop Color="#FF107C10" Offset="1"/>
</LinearGradientBrush>
</Grid.Background>
<Grid.RowDefinitions>
<RowDefinition Height="auto" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<RelativePanel>
<Button x:Name="HamburgerButton" FontFamily="Segoe MDL2 Assets" Content="" FontSize="36" Click="HamburgerButton_Click" />
</RelativePanel>
<SplitView x:Name="MySplitView"
Grid.Row="1"
DisplayMode="CompactOverlay"
OpenPaneLength="200"
CompactPaneLength="56"
HorizontalAlignment="Left">
<SplitView.Pane>
<ListBox SelectionMode="Single" x:Name="IconsListBox" SelectionChanged="IconsListBox_SelectionChanged">
<ListBoxItem x:Name="VoteListBoxItem">
<StackPanel Orientation="Horizontal">
<TextBlock FontFamily="Segoe MDL2 Assets" FontSize="36" Text="" />
<TextBlock Text="Vote" FontSize="24" Margin="20,0,0,0" />
</StackPanel>
</ListBoxItem>
<ListBoxItem x:Name="AppDetailsListBoxItem">
<StackPanel Orientation="Horizontal">
<TextBlock FontFamily="Segoe MDL2 Assets" FontSize="36" Text="" />
<TextBlock Text="App Details" FontSize="24" Margin="20,0,0,0" />
</StackPanel>
</ListBoxItem>
</ListBox>
</SplitView.Pane>
<SplitView.Content>
<Frame x:Name="ViewFrame" />
</SplitView.Content>
</SplitView>
我的 C#:
private void IconsListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
ViewFrame = this.Frame;
if (VoteListBoxItem.IsSelected) { Frame.Navigate(typeof(VotePage)); }
else if (AppDetailsListBoxItem.IsSelected) { Frame.Navigate(typeof(AppDetailsPage)); }
}
private void HamburgerButton_Click(object sender, RoutedEventArgs e)
{
MySplitView.IsPaneOpen = !MySplitView.IsPaneOpen;
}
此代码的问题在于,每当单击菜单项时,确实会将页面加载到框架中,但整个"汉堡菜单"都会消失。
您正在使用主框架进行导航,您应该使用 SlipView 内容中声明的框架,如下所示:
private void IconsListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (VoteListBoxItem.IsSelected)
ViewFrame.Navigate(typeof(VotePage));
else if (AppDetailsListBoxItem.IsSelected)
ViewFrame.Navigate(typeof(AppDetailsPage));
}
事实上,ViewFrame
已经创建,您不需要使用对主页框架的引用来覆盖它。