csharp System.Activities.Activity<TResult>类(方法)实例源码

public sealed class AppendString : Activity<string>
{
    // Input argument.
    [RequiredArgument]
    public InArgument<string> Name { get; set; }

    public AppendString()
    {
        // Define the implementation of this activity.
        this.Implementation = () => new Assign<string>
        {
            Value = new LambdaValue<string>(ctx => Name.Get(ctx) + " says hello world"),
            To = new LambdaReference<string>(ctx => Result.Get(ctx)),
        };
    }
}