例如:
<SequentialWorkflowActivity x:Name="Workflow2" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/workflow>"
<CodeActivity x:Name="codeActivity1" ExecuteCode="MyInvokeMethod">
</CodeActivity>
</SequentialWorkflowActivity>
MyInvokeMethod的逻辑应该在哪里写入,还有什么特殊的地方需要设置吗?