Windows工作流基础4.0（WPF）：如何通过代码更改流程图工作流中的活动位置

Question

I use rehosting workflow designer ( https://msdn.microsoft.com/en-us/library/dd489419%28v=vs.100%29.aspx ) to load a Flowchart workflow in my application. 我使用重新托管工作流设计器（ https://msdn.microsoft.com/zh-cn/library/dd489419%28v=vs.100%29.aspx ）将Flowchart工作流加载到我的应用程序中。

 Flowchart flowchart = this.CreateFlowchart();///Create a Flowchart workflow
 WorkflowDesigner wd = new WorkflowDesigner();
 wd.Load(flowchart);

How should I do to change an activity location in the Flowchart? 如何更改流程图中的活动位置？

Answer 1

This is certainly not a trivial task. 这当然不是一件容易的事。

You effectively need to alter the location of the model item via the view state service. 您实际上需要通过视图状态服务来更改模型项的位置。

wd.Context.Services.GetService<ViewStateService>().StoreViewStateWithUndo(modelItem, "ShapeLocation", new Point(20,20));

Have a read of this article which explains view state far better than I can. 阅读这篇文章，它比我能更好地解释视图状态。