<Button IsEnabled="{Binding (Not IsDisabled)}" />
有没有办法用纯 xaml 来做,或者我必须通过代码来做?PS。我问了这个问题,知道我可以像这样创建一个布尔转换器:
<ValueConversion(GetType(Boolean), GetType(Boolean))>
Public Class BooleanFlagSwitchConverter : Implements IValueConverter
Public Function Convert(value As Object, targetType As Type,
parameter As Object, culture As CultureInfo) As Object
Implements IValueConverter.Convert
Return Not value
End Function
Public Function ConvertBack(value As Object, targetType As Type,
parameter As Object, ByVal culture As CultureInfo) As Object
Implements IValueConverter.ConvertBack
Return Not value
End Function
End Class
[ValueConversion(typeof(bool), typeof(bool))]
public class BooleanFlagSwitchConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter,
CultureInfo culture)
{
return !(bool)value;
}
public object ConvertBack(object value, Type targetType, object parameter,
CultureInfo culture)
{
return !(bool)value;
}
}