/// <summary>
/// Modify the workflow definition in code
/// </summary>
/// <param name="workflow"></param>
private static void ModifyWorkflow(Activity workflow)
{
//locate the activity to change
WriteMessageActivity wmActivity
= workflow.GetActivityByName("writeMessagePositive")
as WriteMessageActivity;
if (wmActivity != null)
{
//change the message
wmActivity.Message = "This is a revised message";
}
}
/// <summary>
/// Create a workflow by hand
/// </summary>
/// <returns></returns>
private static Activity CreateWorkflowInCode()
{
MarkupOnlyBaseWorkflow workflow = null;
//create the root workflow object
workflow = new MarkupOnlyBaseWorkflow();
workflow.Name = "CodedWorkflow";
//create an IfElseActivity
IfElseActivity ifElse
= new IfElseActivity("ifElseActivity1");
//
//Add the left side branch to the IfElseActivity
//
IfElseBranchActivity branch
= new IfElseBranchActivity("ifElseBranchActivity1");
#if COMPILE_RULES_WORKFLOW
//add a rule condition to the branch
RuleConditionReference ruleCondition
= new RuleConditionReference();
ruleCondition.ConditionName = "IsNumberPositive";
branch.Condition = ruleCondition;
#else
//add a condition to the branch
CodeCondition condition = new CodeCondition();
//bind the ConditionEvent to the IsNumberPositive member
ActivityBind bind = new ActivityBind(
"CodedWorkflow", "IsNumberPositive");
condition.SetBinding(CodeCondition.ConditionEvent, bind);
branch.Condition = condition;
#endif
//add a custom WriteMessageActivity to the branch
WriteMessageActivity writeMessage = new WriteMessageActivity();
writeMessage.Name = "writeMessagePositive";
writeMessage.Message = "The number is positive";
branch.Activities.Add(writeMessage);
//add the branch to the IfElseActivity
ifElse.Activities.Add(branch);
//
//add the right side branch to the IfElseActivity
//
branch = new IfElseBranchActivity("ifElseBranchActivity2");
//add a custom WriteMessageActivity to the branch
writeMessage = new WriteMessageActivity();
writeMessage.Name = "writeMessageNotPositive";
writeMessage.Message = "The number is NOT positive";
branch.Activities.Add(writeMessage);
//add the branch to the IfElseActivity
ifElse.Activities.Add(branch);
//add the IfElseActivity to the workflow
workflow.Activities.Add(ifElse);
#if COMPILE_WORKFLOW
//provide a class name for the new workflow
workflow.SetValue(WorkflowMarkupSerializer.XClassProperty,
"ProWF.MyNewWorkflowClass");
#endif
return(workflow);
}
