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我正在开发一个应用程序使用WPF c#。我为窗口设置了Width = 700和Height = 700,我的窗口有一个嵌套的Grid,Border和Canvas。 Horizonta和边界和帆布的垂直对齐是拉伸。预计“实际宽度”和“画布实际高度”为700,但它们为682和659。出错了?我错过了设置一些属性吗?水平和垂直在帆布弹力
我用这个xaml
代码:
<Window x:Class="proj.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="700" Width="700" WindowStartupLocation="CenterScreen" Loaded="Window_Loaded">
<Grid>
<Border BorderBrush="Black" BorderThickness="1" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<Canvas x:Name="cnv" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
</Canvas>
</Border>
</Grid>
</Window>
这里是“Window_Loaded”事件代码:
private void Window_Loaded(object sender, RoutedEventArgs e)
{
MessageBox.Show(cnv.ActualWidth + "\n" + cnv.ActualHeight);
}