public override object ConvertFrom(ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object value)
{
String s = value as string;
if (null == s)
{
throw new ArgumentException("XAML can only convert from Strings");
}
ColorElement2 e = new ColorElement2();
IXamlSchemaContextProvider schemaContextProvider = (IXamlSchemaContextProvider)typeDescriptorContext.GetService(typeof(IXamlSchemaContextProvider));
IAmbientProvider iAmbient = (IAmbientProvider)typeDescriptorContext.GetService(typeof(IAmbientProvider));
XamlType ambientLabel = schemaContextProvider.SchemaContext.GetXamlType(typeof(DerivedFromHasAmbientLabel));
XamlMember label = ambientLabel.GetMember("Num");
AmbientPropertyValue apVal = iAmbient.GetFirstAmbientValue(null, label);
if (apVal == null)
{
e.ColorName = s;
}
else
{
e.ColorName = s + "-" + apVal.Value.ToString();
}
return(e);
}
public override object ConvertTo(ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object value, Type destinationType)
{
ColorElement2 e = value as ColorElement2;
return(e.ColorName);
}
