Is it possible to add flash to the picture

@sree1 wrote:

I’m trying to blink the picture from green to red and red to green.
my code is:

   $(go.Node, "Auto",
        $(go.Shape, "Rectangle",
            new go.Binding("stroke", "highlight", function(v) { return v ? "green" : "red"; }),
            new go.Binding("strokeWidth", "highlight", function(v) { return v ? 3 : 1; })),
        $(go.Picture,
           { maxSize: new go.Size(100, 100) },
           new go.Binding("source", "geo")),
        $(go.TextBlock,
          {
            margin: 5,
            editable: true,
            alignment: go.Spot.Bottom,
            font:"bold 11pt Arial",
            stroke: "#446700"
          },
          new go.Binding("text","text"))
        ));

function flash() {
    myDiagram.model.commit(function(m) {
    var data = m.nodeDataArray[0];
    m.model.set(data, "highlight",!data.highlight)},"flash"),

function loop() {
  setTimeout(function() { flash(); loop(); }, 500);
}

loop();
}

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