WPF绑定中的公式
您需要使用转换器来实现这一点。
public class BooleanNegationConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return ConvertValue(value);
}
private bool ConvertValue(object value)
{
bool boolValue;
if(!Boolean.TryParse(value.ToString(), out boolValue))
{
throw new ArgumentException("Value that was being converted was not a Boolean", "value");
}
return !boolValue;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return ConvertValue(value);
}
}
然后使用它，就像这样：
记住，您必须在xaml资源中声明此静态资源。像这样：
