Getting started with WWF (II) (Note): winform calls Workflow

I. Theory

Workflow must be applied on the hostProgramThe host can be any application or service. Of course, console programs, desktop applets, and web programs can all be used as their host programs. This section only discusses winform programs and calls workflow. Others are similar.

Ii. Example

1. Create a solution and add two projects (sequential workflow library and form Program), as shown in

2. front-end and back-end of workflow, as shown in figure

3. foreground and background of invokeworkflow

4. The running effect is as follows:

Note: Some details are not written in the middle. For example, winform is used to add an application to the workflow, Which is simpler and not detailed.