我需要用时间跨度类型在下面的方式命名SumOfPeriods属性绑定TextBlock.Text:XAML - 结合路径= TimeSpan.TotalMinutes
<TextBlock>
<TextBlock.Text>
<MultiBinding StringFormat="{}{0:D1} h {1:D1} min ({2:D1} min)">
<Binding Path="SumOfPeriods.Hours" />
<Binding Path="SumOfPeriods.Minutes" />
<Binding Path="SumOfPeriods.TotalMinutes" />
</MultiBinding>
</TextBlock.Text>
</TextBlock>
...但它不工作。内容不显示。 当我删除绑定到它的工作原理和显示内容TotalMinutes:
<TextBlock>
<TextBlock.Text>
<MultiBinding StringFormat="{}{0:D1} h {1:D1} min">
<Binding Path="SumOfPeriods.Hours" />
<Binding Path="SumOfPeriods.Minutes" />
</MultiBinding>
</TextBlock.Text>
</TextBlock>
任何人都可以帮我吗?