protected override void CacheMetadata(CodeActivityMetadata metadata)
{
Collection <RuntimeArgument> arguments = new Collection <RuntimeArgument>();
Type targetObjectType = TypeHelper.ObjectType;
if (this.TargetObject != null)
{
targetObjectType = this.TargetObject.ArgumentType;
}
RuntimeArgument targetObjectArgument = new RuntimeArgument("TargetObject", targetObjectType, ArgumentDirection.In);
metadata.Bind(this.TargetObject, targetObjectArgument);
arguments.Add(targetObjectArgument);
_resultArgument = new RuntimeArgument("Result", typeof(TResult), ArgumentDirection.Out);
metadata.Bind(this.Result, _resultArgument);
arguments.Add(_resultArgument);
// Parameters are named according to MethodInfo name if DetermineMethodInfo
// succeeds, otherwise arbitrary names are used.
_methodResolver = CreateMethodResolver();
_methodResolver.DetermineMethodInfo(metadata, s_funcCache, s_locker, ref _methodExecutor);
_methodResolver.RegisterParameters(arguments);
metadata.SetArgumentsCollection(arguments);
_methodResolver.Trace();
if (_methodExecutor != null)
{
_methodExecutor.Trace(this);
}
}