40 lines
1.1 KiB
C#
40 lines
1.1 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Windows.Data;
|
|
|
|
namespace Microsoft.Research.DynamicDataDisplay.Converters
|
|
{
|
|
public abstract class ThreeValuesMultiConverter<T1, T2, T3> : IMultiValueConverter
|
|
{
|
|
#region IMultiValueConverter Members
|
|
|
|
public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
|
|
{
|
|
if (values != null && values.Length == 3)
|
|
{
|
|
if (values[0] is T1 && values[1] is T2 && values[2] is T3)
|
|
{
|
|
T1 param1 = (T1)values[0];
|
|
T2 param2 = (T2)values[1];
|
|
T3 param3 = (T3)values[2];
|
|
|
|
var result = ConvertCore(param1, param2, param3, targetType, parameter, culture);
|
|
return result;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
protected abstract object ConvertCore(T1 value1, T2 value2, T3 value3, Type targetType, object parameter, System.Globalization.CultureInfo culture);
|
|
|
|
public virtual object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)
|
|
{
|
|
throw new NotSupportedException();
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|