public WorkflowViewWrapper()
{
this.loader = new Loader();
// Create a Workflow Design Surface
this.surface = new DesignSurface();
this.surface.BeginLoad(this.loader);
// Get the Workflow Designer Host
this.Host = this.surface.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (this.Host == null)
return;
// Create a Sequential Workflow by using the Workflow Designer Host
SequentialWorkflow = (SequentialWorkflowActivity)Host.CreateComponent(typeof(SequentialWorkflowActivity));
SequentialWorkflow.Name = "CustomOutlookWorkflow";
// Create a Workflow View on the Workflow Design Surface
this.workflowView = new WorkflowView(this.surface as IServiceProvider);
// Add a message filter to the workflow view, to support panning
MessageFilter filter = new MessageFilter(this.surface as IServiceProvider, this.workflowView);
this.workflowView.AddDesignerMessageFilter(filter);
// Activate the Workflow View
this.Host.Activate();
this.workflowView.Dock = DockStyle.Fill;
this.Controls.Add(workflowView);
this.Dock = DockStyle.Fill;
}
public void GetActivityByNameAndParent ()
{
SequentialWorkflowActivity sq = new SequentialWorkflowActivity ();
IfElseActivity ifelse_activity = new IfElseActivity ();
IfElseBranchActivity branch1 = new IfElseBranchActivity ();
CodeActivity code_branch1 = new CodeActivity ();
CodeActivity code_branch2 = new CodeActivity ();
IfElseBranchActivity branch2 = new IfElseBranchActivity ();
Activity activity;
code_branch1.Name ="Code1";
code_branch2.Name ="Code2";
ifelse_activity.Name = "IfElse";
sq.Name = "Root";
branch1.Activities.Add (code_branch1);
branch2.Activities.Add (code_branch2);
ifelse_activity.Activities.Add (branch1);
ifelse_activity.Activities.Add (branch2);
sq.Activities.Add (ifelse_activity);
// Getting Code1 activity from root
activity = sq.GetActivityByName ("Code1", true);
Assert.AreEqual (code_branch1, activity, "C1#1");
activity = sq.GetActivityByName ("Code1", false);
Assert.AreEqual (code_branch1, activity, "C1#2");
// Getting Root activity from IfElse
activity = ifelse_activity.GetActivityByName ("Root", true);
Assert.AreEqual (null, activity, "C1#3");
activity = ifelse_activity.GetActivityByName ("Root", false);
Assert.AreEqual (sq, activity, "C1#4");
// Getting Root activity from Code1
activity = code_branch1.GetActivityByName ("Root", true);
Assert.AreEqual (null, activity, "C1#5");
activity = code_branch1.GetActivityByName ("Root", false);
Assert.AreEqual (sq, activity, "C1#6");
// Getting Ifelse activity from Code1
activity = code_branch1.GetActivityByName ("IfElse", true);
Assert.AreEqual (null, activity, "C1#7");
activity = code_branch2.GetActivityByName ("IfElse", false);
Assert.AreEqual (ifelse_activity, activity, "C1#8");
// Parent checks
Assert.AreEqual (ifelse_activity, branch1.Parent, "C1#9");
Assert.AreEqual (ifelse_activity, branch2.Parent, "C1#10");
Assert.AreEqual (null, sq.Parent, "C1#11");
}
// Loads precreated workflow. The function is similar to the above function except
// instead of creating an empty workflow we create workflow with contents
internal void LoadDefaultWorkflow()
{
Clear();
this.designSurface = new WorkflowDesignSurface(this);
WorkflowLoader loader = new WorkflowLoader();
this.designSurface.BeginLoad(loader);
this.designerHost = GetService(typeof(IDesignerHost)) as IDesignerHost;
if (this.designerHost != null)
{
this.rootActivity = (SequentialWorkflowActivity)this.designerHost.CreateComponent(typeof(SequentialWorkflowActivity));
this.rootActivity.Name = "Service1";
CodeActivity codeActivity1 = new CodeActivity();
this.rootActivity.Activities.Add(codeActivity1);
this.designerHost.RootComponent.Site.Container.Add(codeActivity1);
this.workflowView = new WorkflowView(this.designSurface as IServiceProvider);
this.workflowView.AddDesignerMessageFilter(new CustomMessageFilter(this.designSurface as IServiceProvider, this.workflowView, loader));
Controls.Add(this.workflowView);
this.designerHost.Activate();
ISelectionService selectionService = (ISelectionService)GetService(typeof(ISelectionService));
if (selectionService != null)
{
selectionService.SelectionChanged += new EventHandler(OnSelectionChanged);
IComponent[] selection = new IComponent[] { rootActivity };
selectionService.SetSelectedComponents(selection);
}
}
}
public void ShowDefaultWorkflow()
{
SequentialWorkflowActivity workflow = new SequentialWorkflowActivity();
workflow.Name = "Workflow1";
using (StringWriter stringWriter = new StringWriter())
{
using (XmlWriter xmlWriter = XmlWriter.Create(stringWriter))
{
WorkflowMarkupSerializer serializer = new WorkflowMarkupSerializer();
serializer.Serialize(xmlWriter, workflow);
this.Xaml = stringWriter.ToString();
}
}
}
static void Main(string[] args)
{
Validator validator = (Validator)Activator.CreateInstance(typeof(Validator));
WorkflowMarkupSerializer serializer = new WorkflowMarkupSerializer();
DesignerSerializationManager serializationManager = new DesignerSerializationManager();
using (WorkflowRuntime workflowRuntime = new WorkflowRuntime())
{
AutoResetEvent waitHandle = new AutoResetEvent(false);
workflowRuntime.WorkflowCompleted += delegate(object sender, WorkflowCompletedEventArgs e)
{
Console.WriteLine("Workflow completed.");
waitHandle.Set();
};
workflowRuntime.WorkflowTerminated += delegate(object sender, WorkflowTerminatedEventArgs e)
{
Console.WriteLine(e.Exception.Message);
waitHandle.Set();
};
//
// Create queue workflow programmatically
//
Console.WriteLine("Creating workflow.");
SequentialWorkflowActivity workflow = new SequentialWorkflowActivity();
workflow.Name = "Programmatically created workflow";
workflow.Description = "Programmatically created workflow for XAML activation";
// Add Queue activity
QueueActivity queueActivity = new QueueActivity();
queueActivity.Name = "QueueActivity1";
// Enqueue data
queueActivity.NameQueue.Enqueue("Queue item 1");
queueActivity.NameQueue.Enqueue("Queue item 2");
queueActivity.NameQueue.Enqueue("Queue item 3");
workflow.Activities.Add(queueActivity);
// Add Stack activity
StackActivity stackActivity = new StackActivity();
stackActivity.Name = "StackActivity1";
// Push data
stackActivity.NameStack.Push("Stack item 1");
stackActivity.NameStack.Push("Stack item 2");
stackActivity.NameStack.Push("Stack item 3");
workflow.Activities.Add(stackActivity);
//
// Serialize workflow to XAML file
//
Console.WriteLine("Serializing workflow to file.");
using (XmlWriter writer = XmlWriter.Create(workflowFilename))
{
using (serializationManager.CreateSession())
{
serializer.Serialize(serializationManager, writer, workflow);
if (serializationManager.Errors.Count > 0)
{
Console.WriteLine(String.Format("There were {0} errors during serialization", serializationManager.Errors.Count));
return;
}
}
}
//
// Create workflow instance from file
//
Console.WriteLine("Deserializing workflow from file.");
WorkflowInstance workflowInstance;
using (XmlReader reader = XmlReader.Create(workflowFilename))
{
try
{
workflowInstance = workflowRuntime.CreateWorkflow(reader);
}
catch (WorkflowValidationFailedException e)
{
Console.WriteLine("Validation errors found. Exiting.");
foreach (ValidationError validationError in e.Errors)
{
Console.WriteLine(validationError.ErrorText);
}
return;
}
}
//
// Execute workflow
//
Console.WriteLine("Starting workflow.");
workflowInstance.Start();
waitHandle.WaitOne();
workflowRuntime.StopRuntime();
}
}
static void Main(string[] args)
{
const string workflowFilename = "workflow.xoml";
//
// Create and configure workflow runtime
//
using(WorkflowRuntime workflowRuntime = new WorkflowRuntime())
{
AutoResetEvent waitHandle = new AutoResetEvent(false);
workflowRuntime.WorkflowCompleted += delegate(object sender, WorkflowCompletedEventArgs e)
{
Console.WriteLine("Workflow completed.");
waitHandle.Set();
};
workflowRuntime.WorkflowTerminated += delegate(object sender, WorkflowTerminatedEventArgs e)
{
Console.WriteLine(e.Exception.Message);
waitHandle.Set();
};
//
// Create workflow programmatically
//
Console.WriteLine("Creating workflow.");
SequentialWorkflowActivity workflow = new SequentialWorkflowActivity();
workflow.Name = "Programmatically created workflow";
workflow.Description = "Programmatically created workflow for XAML activation";
ConsoleActivity activity = new ConsoleActivity();
activity.Name = "ConsoleActivity1";
activity.StringToWrite = "Sample String";
workflow.Activities.Add(activity);
//
// Serialize workflow to XAML file
//
Console.WriteLine("Serializing workflow to file.");
WorkflowMarkupSerializer serializer = new WorkflowMarkupSerializer();
using (XmlWriter writer = XmlWriter.Create(workflowFilename))
{
DesignerSerializationManager serializationManager = new DesignerSerializationManager();
using (serializationManager.CreateSession())
{
serializer.Serialize(serializationManager, writer, workflow);
if (serializationManager.Errors.Count > 0)
{
Console.WriteLine(String.Format("There were {0} errors during serialization", serializationManager.Errors.Count));
return;
}
}
}
//
// Deserialize workflow from file
//
WorkflowInstance deserializedWorkflow = null;
Console.WriteLine("Deserializing workflow from file.");
try
{
using (XmlReader reader = XmlReader.Create(workflowFilename))
{
deserializedWorkflow = workflowRuntime.CreateWorkflow(reader);
}
}
catch (WorkflowValidationFailedException exp)
{
ValidationErrorCollection list = exp.Errors;
foreach (ValidationError err in list)
{
Console.WriteLine(err.ErrorText);
}
return;
}
//
// Start workflow
//
Console.WriteLine("Starting workflow.");
deserializedWorkflow.Start();
waitHandle.WaitOne();
workflowRuntime.StopRuntime();
}
}
