WPF绑定并转换

首先新建个项目，我的项目名叫BindConverterDemo，你的话什么都可以，我这里只是做demo

 

再建两个类，DataDemo，ConverterDemo

这个是DataDemo类

public class DataDemo:INotifyPropertyChanged
    {
        private DateTime dateTime;
        public DataDemo()
        {
            dateTime = DateTime.Now;
        }
        public DateTime TheDateTime {
            get { return dateTime; }

            set { dateTime = value; }

        }
        public event PropertyChangedEventHandler PropertyChanged;
        private void OnPropertyChanged(string info)
        {
            PropertyChanged?.Invoke(this,new PropertyChangedEventArgs(info));
        }
    }

  public class ConverterDemo : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            var date = (DateTime)value;
            switch (targetType.Name)
            {
                case "String":
                    return date.ToString("F",culture);
                case "Brush":
                    return Brushes.Blue;
                default:
                    return value;
            }
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return null;
        }
    }

再来处理界面XAMl代码，如下代码所示

        
            "DataDemos"/>
            "ConverterDemos"/>
            
        
        
            "{StaticResource DataDemos}"/>
        
        "为转换的数据:"/>
        "{Binding Path=TheDateTime}"/>
        "转换的数据:"/>
        "{Binding Path=TheDateTime,Converter={StaticResource ConverterDemos}}">
            
                "TheDateTime"
                         Converter="{StaticResource ConverterDemos}"/>
            
        
    

然后看看运行的效果如何

谢谢，欣赏！本博客只用于学习用途。