我有以下转炉一个通用的布尔转换器
[ValueConversion(typeof(bool), typeof(Visibility))]
public sealed class BoolToVisibilityConverter : IValueConverter
{
public Visibility TrueValue { get; set; }
public Visibility FalseValue { get; set; }
public BoolToVisibilityConverter()
{
// set defaults
TrueValue = Visibility.Visible;
FalseValue = Visibility.Collapsed;
}
public object Convert(object value, Type targetType,
object parameter, CultureInfo culture)
{
if (!(value is bool))
return null;
return (bool)value ? TrueValue : FalseValue;
}
public object ConvertBack(object value, Type targetType,
object parameter, CultureInfo culture)
{
if (Equals(value, TrueValue))
return true;
if (Equals(value, FalseValue))
return false;
return null;
}
}
<conv:BoolConverter x:Key="enableStyleConvertor" TrueValue="Visible" FalseValue="Collapsed" />
有没有一种方法,使之更加通用的,也就是说,它可以返回任何类型的对象?
只是为了确保:您知道[System.Windows.Controls.BooleanToVisibilityConverter](http://msdn.microsoft.com/zh-cn/library/system.windows.controls.booleantovisibilityconverter.aspx)已经存在? – Heinzi 2011-04-11 15:55:16
是的,这只是一个老的片段来解释我的观点 – Marcom 2011-04-11 15:59:11
你可能想看看我最近的帖子关于这个主题:http://kentb.blogspot.com/2011/02/booleantovisibilityconverter.html – 2011-04-11 17:28:39