文本过长被截断后,用ToolTip显示完整信息. 文本未被截断,则不显示ToolTip. 值转换器: public class TrimmedTextBlockVisibilityConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if (value == nu
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace DemoTolltip { public partial class Form2 : Form { public