public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value == DependencyProperty.UnsetValue)
{
return(value);
}
else if (Converter1 == null || Converter2 == null)
{
List <IValueConverter> convertersReverseList = new List <IValueConverter>(Converters);
convertersReverseList.Reverse();
foreach (var converter in convertersReverseList)
{
value = converter.ConvertBack(value, targetType, parameter, culture);
if (value == Binding.DoNothing)
{
return(Binding.DoNothing);
}
if (value == DependencyProperty.UnsetValue)
{
return(DependencyProperty.UnsetValue);
}
}
return(value);
}
else
{
return(Converter1.ConvertBack(Converter2.ConvertBack(value, targetType, parameter, culture), targetType, parameter, culture));
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value == DependencyProperty.UnsetValue)
{
return(value);
}
else if (Converter1 == null || Converter2 == null)
{
foreach (var converter in Converters)
{
value = converter.Convert(value, targetType, parameter, culture);
if (value == Binding.DoNothing)
{
return(Binding.DoNothing);
}
if (value == DependencyProperty.UnsetValue)
{
return(DependencyProperty.UnsetValue);
}
}
return(value);
}
else
{
return(Converter2.Convert(Converter1.Convert(value, targetType, Converter1Parameter ?? parameter, culture), targetType, Converter2Parameter ?? parameter, culture));
}
}
/// <summary>
/// Gets the value of the dynamic property for the specified target object.
/// </summary>
/// <param name="target">
/// Target object to set property value on.
/// </param>
/// <param name="value">
/// A new property value.
/// </param>
public object SetValue(object target, object value)
{
object realValue = Converter2.ToType(value, this.PropertyType);
setter(target, realValue);
return(realValue);
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
if (values.Any(x => x == DependencyProperty.UnsetValue))
{
return(DependencyProperty.UnsetValue);
}
var avarageMoney = Converter1.Convert(values, targetType, parameter, culture);
var MoneyString = Converter2.Convert(avarageMoney, targetType, parameter, culture);
var result = Converter3.Convert(MoneyString, targetType, parameter, culture);
return(result);
}
/// <summary>
/// 执行 Transact-SQL 语句, 返回多行单列集合。
/// </summary>
/// <typeparam name="TValue">返回值类型。</typeparam>
/// <returns>多行单列集合。</returns>
public static List <TValue> ConvertToList <TValue>(IDataReader dataReader)
{
//DataLogManager.ProfileDataCommand(this);
List <TValue> list = new List <TValue>();
while (dataReader.Read())
{
TValue value = (TValue)Converter2.ToType(dataReader.GetValue(0), typeof(TValue));
list.Add(value);
}
return(list);
}
