WPF 字符串溢出判断,字符串长度是否超过控件宽度

TextBloc可以将TextTrimming属性设置为CharacterEllipsis

其他控件可以在控件大小变更或者其他事件上附加下列方法

         private void OnEllipsis(object sender, SizeChangedEventArgs e)
         {
             FormattedText formattedText = new FormattedText(
                 this.Header.ToString(),
                 Thread.CurrentThread.CurrentCulture,
                 this.FlowDirection,
                 new Typeface(this.FontFamily, this.FontStyle, this.FontWeight, this.FontStretch),
                 this.FontSize,
                 this.Foreground);

             this.IsEllipsis = formattedText.Width > e.NewSize.Width;
         }