使用TextTrimming属性就好了。
1 <Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> 2 <Grid Width="100" Height="20" Background="lightGreen"> 3 <TextBlock Text="TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT" TextTrimming="CharacterEllipsis"/> 4 </Grid> 5 </Page>
