所以我有以下 XAML 代码:
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="214" />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="*" />
<RowDefinition Height="42" />
</Grid.RowDefinitions>
<toolkit:BusyIndicator IsBusy="False" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="0" VerticalAlignment="Stretch" HorizontalAlignment="Stretch">
<StackPanel Grid.Column="0" Grid.Row="0">
<!-- ... -->
</StackPanel>
<Canvas Grid.Column="1" Grid.Row="0" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<!-- ... -->
</Canvas>
</toolkit:BusyIndicator>
<TextBlock Grid.Row="1" Grid.ColumnSpan="2" />
</Grid>
这个想法是让 BusyIndicator 覆盖第一行中的两个单元格并保持第二行不变。但是 Visual Studio 中的 XAML 编辑器强调<Canvas>
并说:“属性‘内容’被设置了不止一次。”
如何克服这一点?