如何,当方向改变改变网格布局 [英] How to change a grid layout when orientation is changed
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问题描述
我创建一个的win8
应用程序,我需要改变我的网格布局,所以一切在屏幕上适合当用户取向之间翻转。我明白我需要使用 VisualStateManager
,但我不明白的教程。如果我有这样的代码:
I'm creating a win8
app and I need to change the layout of my grid so everything fits on screen when the user flips between orientations. I understand I need to use VisualStateManager
but I can't understand any tutorials. If I have this code:
<Grid>
<Button x:Name="button1" Margin="188,73,286,0" VerticalAlignment="Top"/>
<Button x:Name="button2" Margin="236,73,238,0" VerticalAlignment="Top"/>
<Button x:Name="button3" Margin="284,73,190,0" VerticalAlignment="Top"/>
</Grid>
我将如何使用视觉状态管理器更改按钮,这样他们在一列现在导向(一个在另一个的上面),而不是当定向从横向变为纵向行?
How would I use visual state manager to change the buttons so they are now orientated in a column (one above the other) instead of in a row when the orientation is changed to portrait from landscape?
感谢
推荐答案
XAML代码
<Page
x:Class="App1.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:App1"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d" SizeChanged="Page_SizeChanged_1">
<Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
<Grid x:Name="FullScreenLandscape">
<Grid.ColumnDefinitions>
<ColumnDefinition></ColumnDefinition>
<ColumnDefinition></ColumnDefinition>
<ColumnDefinition></ColumnDefinition>
</Grid.ColumnDefinitions>
<Button Content="Button1" HorizontalAlignment="Center" VerticalAlignment="Center"></Button>
<Button Content="Button2" Grid.Column="1" HorizontalAlignment="Center" VerticalAlignment="Center"></Button>
<Button Content="Button3" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Center"></Button>
</Grid>
<Grid x:Name="Snapped">
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
<RowDefinition></RowDefinition>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<Button Content="Button1" HorizontalAlignment="Center" VerticalAlignment="Center"></Button>
<Button Content="Button2" Grid.Row="1" HorizontalAlignment="Center" VerticalAlignment="Center"></Button>
<Button Content="Button3" Grid.Row="2" HorizontalAlignment="Center" VerticalAlignment="Center"></Button>
</Grid>
</Grid>
C#代码
private void Page_SizeChanged_1(object sender, SizeChangedEventArgs e)
{
switch (ApplicationView.Value)
{
case ApplicationViewState.FullScreenLandscape:
VisualStateManager.GoToState(this, "FullScreenLandscape", false);
Snapped.Visibility = Visibility.Collapsed;
break;
case ApplicationViewState.Snapped:
VisualStateManager.GoToState(this, "Snapped", false);
FullScreenLandscape.Visibility = Visibility.Collapsed;
Snapped.Visibility = Visibility.Visible;
break;
default:
return;
}
}
另一种方法
XAML代码
<Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
<Grid x:Name="landscape">
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<TextBox x:Name="t1" Grid.Column="0" FontSize="24" Height="100"/>
<TextBox x:Name="t2" Grid.Column="1" FontSize="24" Height="100"/>
<TextBox x:Name="t3" Grid.Column="2" FontSize="24" Height="100"/>
</Grid>
<Grid x:Name="snap" Visibility="Collapsed">
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
</Grid.RowDefinitions>
</Grid>
</Grid>
C#代码
private void Page_SizeChanged_1(object sender, SizeChangedEventArgs e)
{
if (Windows.UI.ViewManagement.ApplicationView.Value == Windows.UI.ViewManagement.ApplicationViewState.FullScreenLandscape)
{
landscape.Visibility = Windows.UI.Xaml.Visibility.Visible;
snap.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
t1.SetValue(Grid.ColumnProperty, 0);
t2.SetValue(Grid.ColumnProperty, 1);
if (t1.Parent != landscape)
{
snap.Children.Remove(t1);
snap.Children.Remove(t2);
landscape.Children.Add(t1);
landscape.Children.Add(t2);
}
}
else if(Windows.UI.ViewManagement.ApplicationView.Value == Windows.UI.ViewManagement.ApplicationViewState.Snapped)
{
landscape.Children.Remove(t1);
landscape.Children.Remove(t2);
landscape.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
snap.Visibility = Windows.UI.Xaml.Visibility.Visible;
t1.SetValue(Grid.RowProperty, 0);
t2.SetValue(Grid.RowProperty, 1);
if (t1.Parent != snap)
{
landscape.Children.Remove(t1);
landscape.Children.Remove(t2);
snap.Children.Add(t1);
snap.Children.Add(t2);
}
}
}
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