protected override void OnExecute(NativeActivityContext context, object objectToValidate, ValidationContext objectToValidateContext)
{
bool foundMultiple;
ActivityWithResult boundExpression;
LocationReference locationReference;
ActivityWithResult activity = (ActivityWithResult)objectToValidate;
foreach (RuntimeArgument runtimeArgument in activity.RuntimeArguments)
{
boundExpression = runtimeArgument.BoundArgument.Expression;
if (boundExpression != null && boundExpression is ILocationReferenceWrapper)
{
locationReference = ((ILocationReferenceWrapper)boundExpression).LocationReference;
if (locationReference != null)
{
foundMultiple = FindLocationReferencesFromEnvironment(objectToValidateContext.Environment, locationReference.Name);
if (foundMultiple)
{
Constraint.AddValidationError(context, new ValidationError(SR.AmbiguousVBVariableReference(locationReference.Name)));
}
}
}
}
}
internal static void RunConstraints(ActivityUtilities.ChildActivity childActivity, ActivityUtilities.ActivityCallStack parentChain, IList<Constraint> constraints, ProcessActivityTreeOptions options, bool suppressGetChildrenViolations, ref IList<ValidationError> validationErrors)
{
if (constraints != null)
{
Activity activity = childActivity.Activity;
LocationReferenceEnvironment parentEnvironment = activity.GetParentEnvironment();
Dictionary<string, object> inputs = new Dictionary<string, object>(2);
for (int i = 0; i < constraints.Count; i++)
{
Constraint workflow = constraints[i];
if (workflow != null)
{
object obj2;
inputs["ToValidate"] = activity;
ValidationContext context = new ValidationContext(childActivity, parentChain, options, parentEnvironment);
inputs["ToValidateContext"] = context;
IDictionary<string, object> dictionary2 = null;
try
{
dictionary2 = WorkflowInvoker.Invoke(workflow, inputs);
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
ValidationError data = new ValidationError(System.Activities.SR.InternalConstraintException(workflow.DisplayName, activity.GetType().FullName, activity.DisplayName, exception.ToString()), false) {
Source = activity,
Id = activity.Id
};
ActivityUtilities.Add<ValidationError>(ref validationErrors, data);
}
if ((dictionary2 != null) && dictionary2.TryGetValue("ViolationList", out obj2))
{
IList<ValidationError> list = (IList<ValidationError>) obj2;
if (list.Count > 0)
{
Activity activity2;
if (validationErrors == null)
{
validationErrors = new List<ValidationError>();
}
string str = GenerateValidationErrorPrefix(childActivity.Activity, parentChain, out activity2);
for (int j = 0; j < list.Count; j++)
{
ValidationError item = list[j];
item.Source = activity2;
item.Id = activity2.Id;
if (!string.IsNullOrEmpty(str))
{
item.Message = str + item.Message;
}
validationErrors.Add(item);
}
}
}
if (!suppressGetChildrenViolations)
{
context.AddGetChildrenErrors(ref validationErrors);
}
}
}
}
}
protected abstract void OnExecute(NativeActivityContext context, object objectToValidate, ValidationContext objectToValidateContext);
