public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
ObjectConverter dc = ObjectConverters.Find(targetType);
if (dc != null && value is string s)
{
try
{
return(dc.Construct(s));
}
catch (Exception e)
{
Debug.WriteLine("Unable to parse " + value.ToString() + ": " + e.Message);
}
}
return(null);
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value != null && targetType == typeof(string))
{
ObjectConverter dc = ObjectConverters.Find(value.GetType());
if (dc != null)
{
try
{
return(dc.Format(value));
}
catch (Exception e)
{
Debug.WriteLine("Unable to format " + value.ToString() + ": " + e.Message);
}
}
}
return(null);
}
public void TestAdd()
{
ObjectConverters.Add(new ObjectConverter(typeof(System.Drawing.Size),
new Type[] { typeof(int), typeof(int) },
(d) =>
{
var s = (System.Drawing.Size)d;
return(new object[] { s.Width, s.Height });
},
(ol) => new System.Drawing.Size((int)ol[0], (int)ol[1]),
"({0},{1})"
));
ObjectConverters.Add(new ObjectConverter(typeof(Complex),
new Type[] { typeof(double), typeof(double) },
(d) =>
{
var c = (Complex)d;
return(new object[] { c.Real, c.Imaginary });
},
(ol) => new Complex((double)ol[0], (double)ol[1]),
"({0},{1})"));
Assert.Equal(2, ObjectConverters.Instance.Count);
Assert.Equal(typeof(Complex), ObjectConverters.Find(typeof(Complex)).Foundation);
}