UI Node Extra Output Ports

Michael_Kirschner2 · August 16, 2021, 3:33pm

DynamoDS/DynamoSamples/blob/master/src/SampleLibraryUI/Examples/DropDown.cs#L23

    
      
          public class DropDownExample : DSDropDownBase
          {
              public DropDownExample() : base("item"){}
          
          
    // Starting with Dynamo v2.0 you must add Json constructors for all nodeModel
              // dervived nodes to support the move from an Xml to Json file format.  Failing to
              // do so will result in incorrect ports being generated upon serialization/deserialization.
              // This constructor is called when opening a Json graph. We must also pass the deserialized 
              // ports with the json constructor and then call the base class passing the ports as parameters.
              [JsonConstructor]
              public DropDownExample(IEnumerable<PortModel> inPorts, IEnumerable<PortModel> outPorts) : base("item", inPorts, outPorts) { }
          
          
    protected override SelectionState PopulateItemsCore(string currentSelection)
              {
                  // The Items collection contains the elements
                  // that appear in the list. For this example, we
                  // clear the list before adding new items, but you
                  // can also use the PopulateItems method to add items
                  // to the list.
          
          
        Items.Clear();

implement a json constructor that reuses the deserialized ports from the .dyn file.

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UI Node Extra Output Ports

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