private void GenerateXAMLVisualTree(string xaml)
{
using (MemoryStream ms = new MemoryStream(xaml.Length))
{
using (StreamWriter sw = new StreamWriter(ms))
{
try
{
sw.Write(xaml);
sw.Flush();
ms.Seek(0, SeekOrigin.Begin);
// Load the Xaml
object content = ActivityXamlServices.Load(ms);
}
catch (XamlParseException x)
{
Debug.WriteLine("XAML Parse error: Line:{0}, Position:{1}, Error: {2}", new object[] { x.LineNumber, x.LinePosition, x.Message });
this.statusInfo.Content = x.Message;
this._validXaml = false;
}
catch (Exception ex)
{
// Generic message
this.statusInfo.Content = ex.Message;
this._validXaml = false;
}
}
}
}
public bool Initialize(string workflowCode)
{
if (string.IsNullOrEmpty(workflowCode))
{
return(false);
}
//throw new OperationException("WorkflowCode is null.");
string workflowXaml;
using (var mgr = (IXamlManager <BPWorkflow>)IoC.Instance.Resolve <IBaseManager <BPWorkflow> >())
{
var wf = mgr.Get(workflowCode);
if (wf == null)
{
//throw new OperationException("Workflow с кодом '{0}' не существует!", workflowCode);
return(false);
}
workflowXaml = mgr.GetXaml(workflowCode);
}
if (string.IsNullOrEmpty(workflowXaml))
{
//throw new DeveloperException("Получили пустой workflow.");
return(false);
}
using (var reader = new StringReader(workflowXaml))
_activity = (DynamicActivity)ActivityXamlServices.Load(reader);
return(true);
}
private static ActivityBuilder StartUpdate(string name)
{
// Create the XamlXmlReaderSettings.
XamlXmlReaderSettings readerSettings = new XamlXmlReaderSettings()
{
// In the XAML the "local" namespace referes to artifacts that come from
// the same project as the XAML. When loading XAML if the currently executing
// assembly is not the same assembly that was referred to as "local" in the XAML
// LocalAssembly must be set to the assembly containing the artifacts.
// Assembly.LoadFile requires an absolute path so convert this relative path
// to an absolute path.
LocalAssembly = Assembly.LoadFile(
Path.GetFullPath(Path.Combine(mapPath, "NumberGuessWorkflowActivities_v1.dll")))
};
string path = Path.Combine(definitionPath, name);
XamlXmlReader xamlReader = new XamlXmlReader(path, readerSettings);
// Load the workflow definition into an ActivityBuilder.
ActivityBuilder wf = XamlServices.Load(
ActivityXamlServices.CreateBuilderReader(xamlReader))
as ActivityBuilder;
// PrepareForUpdate makes a copy of the workflow definition in the
// ActivityBuilder that is used for comparison when the update
// map is created.
DynamicUpdateServices.PrepareForUpdate(wf);
return(wf);
}
static void LoadFileByFile()
{
ActivityXamlServicesSettings settings = new ActivityXamlServicesSettings
{
CompileExpressions = true
};
//String stFilePath = Directory.GetCurrentDirectory();
var stFilePath = "C:\\Work\\Projects\\TestCoreWF\\WorkflowConsoleApplication1\\Workflow1.xaml";
string xamlString = System.IO.File.ReadAllText(stFilePath);
StringReader stReader = new StringReader(xamlString);
var ActivityFromFile = ActivityXamlServices.Load(new StringReader(xamlString), settings);
Dictionary <string, object> inputs = new Dictionary <string, object>();
inputs.Add("x", 50);
inputs.Add("Path", "C:\\Work\\BUGS\\INC000000286049_Wrong_Portfolio_Position\\");
var Ret = System.Activities.WorkflowInvoker.Invoke(ActivityFromFile, inputs);
System.Console.WriteLine(Ret["Out"]);
//System.Console.ReadLine();
Console.ReadLine();
}
static void Main(string[] args)
{
List<int> numbers = GetInputFromUser(args);
if (numbers != null)
{
Console.WriteLine("Input values:");
foreach (int i in numbers)
{
Console.WriteLine("\tValue = " + i);
}
Console.WriteLine();
IDictionary<string, object> results;
// Create the dynamic activity in two different ways and run it.
// Using code.
Activity act1 = CreateAverageCalculationWorkflow();
results = WorkflowInvoker.Invoke(act1, new Dictionary<string, object> { { "Numbers", numbers } });
Console.WriteLine("The average calculated using the code activity is = " + results["Average"]);
// Using XAML. The XAML may be created via the graphical designer.
// If included in a visual studio project, its Build Action should be set to None.
Activity act2 = ActivityXamlServices.Load(@"FindAverage.xaml");
results = WorkflowInvoker.Invoke(act2, new Dictionary<string, object> { { "Numbers", numbers } });
Console.WriteLine("The average calculated using the XAML activity is = " + results["Average"]);
}
Console.WriteLine();
Console.WriteLine("Press Enter to exit...");
Console.ReadLine();
}
/// <summary>
/// Creates a new Workflow Application instance and executes the Current Workflow
/// </summary>
private void CmdWorkflowRun(object sender, ExecutedRoutedEventArgs e)
{
//get workflow source from designer
CustomWfDesigner.Instance.Flush();
MemoryStream workflowStream = new MemoryStream(ASCIIEncoding.Default.GetBytes(CustomWfDesigner.Instance.Text));
ActivityXamlServicesSettings settings = new ActivityXamlServicesSettings()
{
CompileExpressions = true
};
DynamicActivity activityExecute = ActivityXamlServices.Load(workflowStream, settings) as DynamicActivity;
//configure workflow application
consoleExecutionLog.Text = String.Empty;
consoleOutput.Text = String.Empty;
_executionLog = new CustomTrackingParticipant();
_wfApp = new WorkflowApplication(activityExecute);
_wfApp.Extensions.Add(_executionLog);
_wfApp.Completed = WfExecutionCompleted;
//execute
_wfApp.Run();
//enable timer for real-time logging
_timer.Start();
}
/// <summary>
/// 2-phase initialization to parse parameters
/// </summary>
/// <returns></returns>
public bool Initialize()
{
XamlXmlReader reader = new XamlXmlReader(_filename, new XamlXmlReaderSettings {
LocalAssembly = typeof(MainViewModel).Assembly
});
_workflow = ActivityXamlServices.Load(reader);
var argumentViewModel = new ArgumentCollectorViewModel(_workflow as DynamicActivity);
if (argumentViewModel.HasArguments)
{
IUIVisualizer uiVisualizer = Resolve <IUIVisualizer>();
if (uiVisualizer.ShowDialog("WorkflowArgumentsView", argumentViewModel) == false)
{
return(false);
}
}
_inputs = argumentViewModel.CollectArguments();
//_inputs.Add("img",typeof(Image<Bgr,Byte>));
//_inputs.Add("gimg", typeof(Image<Gray, Byte>));
return(true);
}
protected override void LoadAndExecute()
{
MemoryStream ms = new MemoryStream(ASCIIEncoding.Default.GetBytes(this.workflowDesigner.Text));
DynamicActivity workflowToRun = ActivityXamlServices.Load(ms) as DynamicActivity;
WorkflowInspectionServices.CacheMetadata(workflowToRun);
this.workflowApplication = new WorkflowApplication(workflowToRun);
this.workflowApplication.Extensions.Add(this.output);
this.workflowApplication.Completed = this.WorkflowCompleted;
this.workflowApplication.OnUnhandledException = this.WorkflowUnhandledException;
this.workflowApplication.Aborted = this.WorkflowAborted;
this.workflowApplication.Extensions.Add(this.InitialiseVisualTrackingParticipant(workflowToRun));
try
{
this.running = true;
this.workflowApplication.Run();
}
catch (Exception e)
{
this.output.WriteLine(ExceptionHelper.FormatStackTrace(e));
StatusViewModel.SetStatusText(Resources.ExceptionInDebugStatus, this.workflowName);
}
}
static void Main(string[] args)
{
if (2 != args.Length)
{
Console.WriteLine("Usage -- ViewStateCleaningWriter <infile> <outfile>");
return;
}
try
{
XmlReader xmlReader = XmlReader.Create(args[0]);
XamlXmlReader xamlReader = new XamlXmlReader(xmlReader);
ActivityBuilder ab = XamlServices.Load(ActivityXamlServices.CreateBuilderReader(xamlReader)) as ActivityBuilder;
XmlWriterSettings writerSettings = new XmlWriterSettings {
Indent = true
};
XmlWriter xmlWriter = XmlWriter.Create(File.OpenWrite(args[1]), writerSettings);
XamlXmlWriter xamlWriter = new XamlXmlWriter(xmlWriter, new XamlSchemaContext());
XamlServices.Save(new ViewStateCleaningWriter(ActivityXamlServices.CreateBuilderWriter(xamlWriter)), ab);
Console.WriteLine("{0} written without viewstate information", args[1]);
}
catch (Exception ex)
{
Console.WriteLine("Exception encountered {0}", ex);
}
}
private void CommandRun_Executed(object sender, System.Windows.Input.ExecutedRoutedEventArgs e)
{
InOutTextBlock.Text = string.Empty;
// In order for the current Workflow to be started without a glitch, you need to save it to a file,
// upload the file to another Workflow and start it already
if (String.IsNullOrEmpty(_runningWorkflowTemporaryFileName))
{
var currentPath = Directory.GetCurrentDirectory();
_runningWorkflowTemporaryFileName = System.IO.Path.Combine(currentPath, "RunningWorkflow.xaml");
}
_wd.Save(_runningWorkflowTemporaryFileName);
var runningWorkflow = ActivityXamlServices.Load(_runningWorkflowTemporaryFileName);
using (var textWriter = new StringWriter())
{
Console.SetOut(textWriter);
var wi = new WorkflowInvoker(runningWorkflow);
wi.Invoke();
var textOutput = textWriter.ToString();
if (!string.IsNullOrEmpty(textOutput))
{
MessageBox.Show(textOutput, "Output of the program:");
}
}
}
private void btnRun_Click(object sender, RoutedEventArgs e)
{
AutoResetEvent syncEvent = new AutoResetEvent(false);
var writer = new StringWriter();
// Run workflow
wd.Flush();
Activity dataWorkflow = ActivityXamlServices.Load(new StringReader(wd.Text));
// Create the WorkflowApplication using the desired
// workflow definition.
WorkflowApplication wfApp = new WorkflowApplication(dataWorkflow);
// Handle the desired lifecycle events.
wfApp.Completed = delegate(WorkflowApplicationCompletedEventArgs eventarg)
{
MessageBox.Show($"Task Finished!\n---- Output ----\n{ writer.ToString() }");
syncEvent.Set();
};
wfApp.Extensions.Add(writer);
// Start the workflow.
wfApp.Run();
// Wait for Completed to arrive and signal that
// the workflow is complete.
syncEvent.WaitOne();
}
void InvokeOnClient(ObjectChangedEventArgs objectChangedEventArgs, ObjectChangedWorkflow objectChangedWorkflow, object targetObjectKey)
{
Activity activity = ActivityXamlServices.Load(new StringReader(objectChangedWorkflow.Xaml));
var dictionary = ObjectChangedStartWorkflowService.Dictionary(targetObjectKey, objectChangedEventArgs.PropertyName, objectChangedEventArgs.OldValue);
WorkflowInvoker.Invoke(activity, dictionary);
}
internal static Activity GetActivityFromXamlResource(TestXamls xamlName)
{
var asm = typeof(TestHelper).Assembly;
var xamlStream = asm.GetManifestResourceStream($"{asm.GetName().Name}.TestXamls.{xamlName}.xaml");
return(ActivityXamlServices.Load(xamlStream));
}
public static Activity Load(string path, string fallbackPath)
{
string activityDefinition = null;
if (!cache.ContainsKey(path))
{
string definitionPath = File.Exists(path) ? path : fallbackPath;
if (!File.Exists(definitionPath))
{
throw new FileNotFoundException(String.Format("Could not load activity definition from either {0} or {1}.", path, fallbackPath));
}
using (StreamReader sr = new StreamReader(definitionPath))
{
activityDefinition = sr.ReadToEnd();
}
cache[path] = activityDefinition;
}
Stream stream = new MemoryStream(ASCIIEncoding.Default.GetBytes(activityDefinition));
Activity wf = ActivityXamlServices.Load(stream, new ActivityXamlServicesSettings {
CompileExpressions = true
});
return(wf);
}
private static void RunFromXaml()
{
Console.WriteLine("Host: About to run workflow - Thread:{0}",
System.Threading.Thread.CurrentThread.ManagedThreadId);
try
{
String fullFilePath =
@"..\..\..\ActivityLibrary\HostingDemoWorkflow.xaml";
Activity activity = ActivityXamlServices.Load(fullFilePath);
//activity is a DynamicActivity
if (activity == null)
{
throw new NullReferenceException(String.Format(
"Unable to deserialize {0}", fullFilePath));
}
IDictionary <String, Object> output = WorkflowInvoker.Invoke(
activity, new Dictionary <String, Object>
{
{ "ArgNumberToEcho", 1001 },
});
Console.WriteLine("Host: Workflow completed - Thread:{0} - {1}",
System.Threading.Thread.CurrentThread.ManagedThreadId,
output["Result"]);
}
catch (Exception exception)
{
Console.WriteLine("Host: Workflow exception:{0}:{1}",
exception.GetType(), exception.Message);
}
}
public void Run()
{
this.workflowDesigner.Flush();
MemoryStream ms = new MemoryStream(ASCIIEncoding.Default.GetBytes(this.workflowDesigner.Text));
DynamicActivity activityToRun = ActivityXamlServices.Load(ms) as DynamicActivity;
this.workflowApplication = new WorkflowApplication(activityToRun);
this.workflowApplication.Extensions.Add(this.output);
this.workflowApplication.Completed = this.WorkflowCompleted;
this.workflowApplication.Aborted = this.WorkflowAborted;
this.workflowApplication.OnUnhandledException = this.WorkflowUnhandledException;
StatusViewModel.SetStatusText(Resources.RunningStatus, this.workflowName);
try
{
this.running = true;
this.workflowApplication.Run();
}
catch (Exception e)
{
this.output.WriteLine(ExceptionHelper.FormatStackTrace(e));
StatusViewModel.SetStatusText(Resources.ExceptionStatus, this.workflowName);
this.running = false;
}
}
//从[ActivityBuilder]移除[ViewState]
public static string removeViewState(ActivityBuilder activityBuilder)
{
string xamlString = "";
XmlWriterSettings writerSettings = new XmlWriterSettings {
Indent = true
};
StringBuilder stringBuilder = new StringBuilder();
XmlWriter xmlWriter = XmlWriter.Create(stringBuilder, writerSettings);
XamlXmlWriter xamlXmlWriter = new XamlXmlWriter(xmlWriter, new XamlSchemaContext());
XamlWriter xamlWriter = ActivityXamlServices.CreateBuilderWriter(xamlXmlWriter);
viewStateXamlWriter wfViewStateControl = new viewStateXamlWriter(xamlWriter);
XamlServices.Save(wfViewStateControl, activityBuilder);
xamlString = stringBuilder.ToString();
return(xamlString);
}
private ActivityBuilder ReadXamlDefinition()
{
var xamlStr = RootActivity.ToString();
try
{
if (xamlStr.Length != 0)
{
using (var sw = new StringReader(xamlStr))
{
var xamlXmlWriterSettings = new XamlXmlReaderSettings
{
LocalAssembly = System.Reflection.Assembly.GetAssembly(typeof(VirtualizedContainerService))
};
var xw = ActivityXamlServices.CreateBuilderReader(new XamlXmlReader(sw, new XamlSchemaContext(), xamlXmlWriterSettings));
var load = XamlServices.Load(xw);
return(load as ActivityBuilder);
}
}
}
catch (Exception e)
{
Dev2Logger.Error("Error loading XAML: ", e, GlobalConstants.WarewolfError);
}
return(null);
}
public StringBuilder GetXamlDefinition(ActivityBuilder builder)
{
var text = new StringBuilder();
try
{
if (builder != null)
{
var sb = new StringBuilder();
using (var sw = new StringWriter(sb))
{
var xamlXmlWriterSettings = new XamlXmlWriterSettings {
AssumeValidInput = true
};
var xamlSchemaContext = new XamlSchemaContext();
var xw = ActivityXamlServices.CreateBuilderWriter(new XamlXmlWriter(sw, xamlSchemaContext, xamlXmlWriterSettings));
XamlServices.Save(xw, builder);
text = sb.Replace("<?xml version=\"1.0\" encoding=\"utf-16\"?>", "");
}
}
text = SanitizeXaml(text);
}
catch (Exception e)
{
Dev2Logger.Error("Error loading XAML: ", e, GlobalConstants.WarewolfError);
}
return(text);
}
private void button1_Click(object sender, RoutedEventArgs e)
{
try
{
// create stream with textbox contents
StringBuilder data = new StringBuilder();
Stream stream = new MemoryStream(ASCIIEncoding.Default.GetBytes(txtXaml.Text));
// invoke workflow
Activity wf = ActivityXamlServices.Load(stream);
IDictionary <string, object> results = WorkflowInvoker.Invoke(wf);
// show results
txtResults.Text = "Workflow Executed";
txtResults.Text += "\r\nReturned data:";
if (results.Count > 0)
{
foreach (string key in results.Keys)
{
txtResults.Text += string.Format("\r\n {0} : {1}", key, results[key]);
}
}
else
{
txtResults.Text += "\r\n <no data returned>";
}
}
catch (Exception ex)
{
txtResults.Text = string.Format("Error executing the Xaml. Exception type: {0}\r\nDetails:\r\n--------\r\n{1}", ex.GetType().FullName, ex.ToString());
}
}
private void CommandRun_Executed(object sender, System.Windows.Input.ExecutedRoutedEventArgs e)
{
InOutTextBlock.Text = string.Empty;
// Для того чтобы текущее Workflow безглючно запускалось, нужно сохранить его в файл,
// загрузить файл в другое Workflow и уже запускать
if (String.IsNullOrEmpty(_runningWorkflowTemporaryFileName))
{
var currentPath = Directory.GetCurrentDirectory();
_runningWorkflowTemporaryFileName = System.IO.Path.Combine(currentPath, "RunningWorkflow.xaml");
}
_wd.Save(_runningWorkflowTemporaryFileName);
var runningWorkflow = ActivityXamlServices.Load(_runningWorkflowTemporaryFileName);
using (var textWriter = new StringWriter())
{
Console.SetOut(textWriter);
var wi = new WorkflowInvoker(runningWorkflow);
wi.Invoke();
var textOutput = textWriter.ToString();
if (!string.IsNullOrEmpty(textOutput))
{
MessageBox.Show(textOutput, "Вывод программы:");
}
}
}
protected override void StartInternal()
{
DynamicActivity activity;
using (var stream = new MemoryStream(Encoding.Default.GetBytes(WorkflowDesigner.Text)))
{
activity = ActivityXamlServices.Load(stream) as DynamicActivity;
}
if (activity == null)
{
return;
}
WorkflowInspectionServices.CacheMetadata(activity);
workflowApplication = new WorkflowApplication(activity);
workflowApplication.Extensions.Add(OutputWriter);
workflowApplication.Extensions.Add(InitialiseVisualTrackingParticipant(activity));
workflowApplication.Completed += Completed;
workflowApplication.OnUnhandledException += OnUnhandledException;
workflowApplication.Aborted += Aborted;
try
{
workflowApplication.Run();
OnRunningStateChanged(new WorkflowExecutingStateEventArgs(true));
}
catch (Exception e)
{
OutputWriter.WriteLine(e.StackTrace);
}
}
/// <summary>
/// Loads the specified xaml definition.
/// </summary>
/// <param name="xamlDefinition">The xaml definition.</param>
/// <param name="xamlStream">The xaml stream.</param>
/// <param name="workflowPool">The workflow pool.</param>
/// <param name="workflowActivity">The workflow activity.</param>
/// <exception cref="System.ArgumentNullException">xamlDefinition</exception>
public void Load(StringBuilder xamlDefinition, ref Stream xamlStream, ref Queue <PooledServiceActivity> workflowPool, ref Activity workflowActivity)
{
if (xamlDefinition == null || xamlDefinition.Length == 0)
{
throw new ArgumentNullException("xamlDefinition");
}
// Travis.Frisinger : 13.11.2012 - Remove bad namespaces
// ReSharper disable ConditionIsAlwaysTrueOrFalse
if (GlobalConstants.runtimeNamespaceClean)
// ReSharper restore ConditionIsAlwaysTrueOrFalse
{
xamlDefinition = new Dev2XamlCleaner().CleanServiceDef(xamlDefinition);
}
// End Mods
int generation = 0;
using (xamlStream = xamlDefinition.EncodeForXmlDocument())
{
workflowActivity = ActivityXamlServices.Load(xamlStream);
xamlStream.Seek(0, SeekOrigin.Begin);
workflowPool.Clear();
generation++;
for (int i = 0; i < GlobalConstants._xamlPoolSize; i++)
{
Activity activity = ActivityXamlServices.Load(xamlStream);
xamlStream.Seek(0, SeekOrigin.Begin);
workflowPool.Enqueue(new PooledServiceActivity(generation, activity));
}
}
}
public Activity LoadFromSource(IApplicationHost host)
{
if (Type == WorkflowType.File)
{
String fullPath = GetWorkflowFullPath(host);
using (var sr = new StreamReader(fullPath))
{
Definition = sr.ReadToEnd();
sr.BaseStream.Seek(0, SeekOrigin.Begin);
using (var xr = ActivityXamlServices.CreateReader(sr.BaseStream))
{
var root = ActivityXamlServices.Load(xr);
RuntimeActivity.Compile(GetHashedName(), root);
return(root);
}
}
}
else if (Type == WorkflowType.ClrType)
{
return(System.Activator.CreateInstance(Assembly, Name).Unwrap() as Activity);
}
else if (Type == WorkflowType.Definition)
{
using (var sr = new StringReader(Definition))
{
Activity root = ActivityXamlServices.Load(sr) as Activity;
Cached = RuntimeActivity.Compile(GetHashedName(), root);
return(root);
}
}
else
{
throw new NotImplementedException($"WorkflowDefinition. Invalid WorkflowType. Type={Type.ToString()}");
}
}
private Activity getActivityWithoutDebugSymbol(string path)
{
//去除DebugSymbol.Symbol信息，否则拖动代码片断到新建立的XAML文档时无法运行
var xamlContent = File.ReadAllText(path);
XDocument xd = XDocument.Parse(xamlContent);
XElement element = xd.XPathSelectElement("//*[local-name()='DebugSymbol.Symbol']");
if (element != null)
{
element.SetValue(string.Empty);
}
using (MemoryStream stream = new MemoryStream())
{
XmlWriterSettings xws = new XmlWriterSettings();
xws.OmitXmlDeclaration = true;
xws.Indent = true;
using (XmlWriter writer = XmlWriter.Create(stream, xws))
{
xd.WriteTo(writer);
writer.Flush();
stream.Position = 0;
var activity = ActivityXamlServices.Load(stream);
return(activity);
}
}
}
/// <summary>
/// Validates well-formedness of the Xaml
/// </summary>
/// <exception cref="System.IO.FileNotFoundException">If the <code>inputFile</code> was not found</exception>
private void ValidateXaml()
{
XmlReader xmlReader = null;
XamlXmlReader xamlReader = null;
try
{
log.Debug("Validating XAML.");
xmlReader = XmlReader.Create(inputFile);
xamlReader = new XamlXmlReader(xmlReader);
ActivityBuilder activity = XamlServices.Load(ActivityXamlServices.CreateBuilderReader(xamlReader)) as ActivityBuilder;
log.Info("XAML successfully validated.");
}
catch (XamlException)
{
// Only notify user
log.Warn("XAML could not be validated. This may also be caused by Custom Activities or WorkflowServices.");
}
finally
{
// Cleanup
if (xmlReader != null)
{
xmlReader.Close();
}
if (xamlReader != null)
{
xamlReader.Close();
}
}
}
public void XamlWorkflowWithInputsOutputs()
{
var xamlString = @"
<Activity x:Class=""WFTemplate""
xmlns=""http://schemas.microsoft.com/netfx/2009/xaml/activities""
xmlns:s=""clr-namespace:System;assembly=mscorlib""
xmlns:s1=""clr-namespace:System;assembly=System""
xmlns:sa=""clr-namespace:CoreWf;assembly=CoreWf""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml"">
<x:Members>
<x:Property Name=""myOutput"" Type=""OutArgument(x:Int32)"" />
<x:Property Name=""myInput"" Type=""InArgument(x:Int32)"" />
</x:Members>
<Assign>
<Assign.To>
<OutArgument x:TypeArguments=""x:Int32"">[myOutput]</OutArgument>
</Assign.To>
<Assign.Value>
<InArgument x:TypeArguments=""x:Int32"">[myInput]</InArgument>
</Assign.Value>
</Assign>
</Activity>";
var settings = new ActivityXamlServicesSettings {
CompileExpressions = true
};
var activity = ActivityXamlServices.Load(GenerateStreamFromString(xamlString), settings);
var inputs = new Dictionary <string, object>();
inputs.Add("myInput", 1);
var outputs = WorkflowInvoker.Invoke(activity, inputs);
Assert.Equal(1, outputs.Count);
Assert.True(outputs.ContainsKey("myOutput"));
Assert.Equal(1, (int)outputs["myOutput"]);
}
private void button1_Click(object sender, EventArgs e)
{
try
{
// Use calculator by simulating clicks.
String digitOne = this.comboBox1.SelectedItem.ToString();
String digitTwo = this.comboBox2.SelectedItem.ToString();
String operation = this.comboBox3.SelectedItem.ToString();
WorkflowInvoker invoker = new WorkflowInvoker(ActivityXamlServices.Load(@"calc.uiwf"));
var arguments = new Dictionary <string, object>();
arguments.Add("digitOne", digitOne);
arguments.Add("digitTwo", digitTwo);
arguments.Add("op", operation);
IDictionary <string, object> outArgs = invoker.Invoke(arguments);
String sResult = (String)outArgs["calcResult"];
this.textBox1.Text = sResult;
}
catch (Exception ex)
{
MessageBox.Show(this, "ERROR: " + ex.Message);
}
}
/// <summary>
/// Acquires a composite PooledServiceActivity that holds a reference to the underlying activity, once you are done
/// working
/// with the activity you must return it to the pool via PushActivity.
/// </summary>
/// <returns></returns>
public PooledServiceActivity PopActivity()
{
PooledServiceActivity result;
lock (_poolGuard)
{
if (_workflowPool.Count == 0)
{
if (_xamlStream == null)
{
result = new PooledServiceActivity(_generation, _workflowActivity);
}
else
{
Activity activity = ActivityXamlServices.Load(_xamlStream);
_xamlStream.Seek(0, SeekOrigin.Begin);
result = new PooledServiceActivity(_generation, activity);
}
}
else
{
result = _workflowPool.Dequeue();
}
}
return(result);
}
public static string Serialize(object ab, bool writeLogFile = false)
{
if (ab == null)
{
throw new NullReferenceException("ActivityBuilder parameter is null");
}
// Serialize the workflow to XAML and store it in a string.
var sb = new System.Text.StringBuilder();
var tw = new System.IO.StringWriter(sb);
var xw = ActivityXamlServices.CreateBuilderWriter(new XamlXmlWriter(tw, new XamlSchemaContext()));
XamlServices.Save(xw, ab);
string serializedAB = sb.ToString();
if (writeLogFile == true)
{
// Serialize the workflow to XAML and save it to a file.
var sw = System.IO.File.CreateText(@"C:\add.xaml");
XamlWriter xw2 = ActivityXamlServices.CreateBuilderWriter(new XamlXmlWriter(sw, new XamlSchemaContext()));
XamlServices.Save(xw2, ab);
sw.Close();
}
return(serializedAB);
}
