protected override object GetRawValueInternal(IBindingMemberInfo targetMember, IDataContext context, bool throwOnError)
{
var values = new object[_sources.Length];
for (int i = 0; i < _sources.Length; i++)
{
IBindingPathMembers members = _sources[i].GetPathMembers(true);
object value = members.GetLastMemberValue();
if (members.Path.IsDebuggable)
{
DebugInfo($"MultiBinding got a raw value: '{value}', for path: '{members.Path}'", new[] { value, members });
}
if (value.IsDoNothing())
{
return(BindingConstants.DoNothing);
}
if (value.IsUnsetValue())
{
return(BindingConstants.UnsetValue);
}
values[i] = value;
}
if (_sources[0].Path.IsDebuggable)
{
DebugInfo("MultiBinding applying format expression", new object[] { _formatExpression, values });
var result = _formatExpression(context, values);
DebugInfo($"MultiBinding format expression returns value: '{result}'");
return(result);
}
return(_formatExpression(context, values));
}
protected override object GetRawValueInternal(IBindingMemberInfo targetMember, IDataContext context,
bool throwOnError)
{
IBindingPathMembers members = _bindingSource.GetPathMembers(throwOnError);
var value = members.GetLastMemberValue();
if (members.Path.IsDebuggable)
{
DebugInfo($"Binding got a raw value: '{value}', for path: '{members.Path}'", new[] { value, members });
}
return(value);
}