我有一个以编程方式实现的BusyButton，方法如下：

var printButton = new BusyButton({
    busyLabel: "Impression...",
    label: "Imprimer",
    timeout: 50000,
    onClick: printMap
  }, "print_button_bis").startup();

50000处的超时并不总是理想的。我如何设置函数完成时发生的超时？在声明按钮时是否有简单的方法来实现这一点，或者应该以某种方式将其集成到printMap函数中？

UPDATE第一次使用printButton.cancel（）确实有效，重新启用了该按钮。但是，该按钮第二次无法变为忙碌状态，基本上像正常按钮一样工作。printButton.refresh（）导致TypeError：printButton.refresh不是一个函数。
更新2

我通过删除timeout参数更改了printButton，因为cancel（）函数现在成功地使忙碌按钮“超时”。

var printButton = new BusyButton({
        busyLabel: "Impression...",
        label: "Imprimer",
        onClick: printMap
      }, "print_button_bis").startup();

函数完成后，我将以如下方式重新启用busyButton：

printButton.cancel();
printButton.makeBusy();

但是，makeBusy行会使busyButton在一段时间内保持禁用状态。
以下是所有代码，以防我忽略了其他内容：

require([
  "esri/layers/FeatureLayer",
  "esri/dijit/Print",
  "esri/tasks/PrintTemplate",
  "esri/tasks/PrintTask",
  "esri/tasks/PrintParameters",
  "esri/tasks/GeometryService",
  "esri/tasks/ProjectParameters",
  "esri/geometry/Point",
  "esri/SpatialReference",
  "esri/request",
  "esri/config",
  "dijit/registry",
  "dijit/form/ComboBox",
  "dijit/form/Button",
  "dijit/form/CheckBox",
  "dojox/form/BusyButton",
  "dojo/store/Memory",
  "dojo/_base/array",
  "dojo/dom",
  "dojo/on"
], function(
  FeatureLayer,
  Print, PrintTemplate,
  PrintTask, PrintParameters,
  GeometryService,
  ProjectParameters,
  Point, SpatialReference,
  esriRequest, esriConfig, registry,
  ComboBox, Button, CheckBox, BusyButton, Memory,
  arrayUtils, dom, on
) {

  var printUrl = "http://ourserver/arcgis/rest/services/TOOLS/Print_Tool/GPServer/Exporter%20une%20carte%20Web";

  esriConfig.defaults.io.proxyUrl = "http://ourwebserver/Java/proxy.jsp";
  esri.config.defaults.io.timeout = 300000; //60 seconds = 60000

  var scaleCheckBox = new CheckBox({
        checked: false,
        onChange: function (val) {
            //dom.byId('one').innerHTML = val ? 'checked' : 'unchecked';
            if (scaleCheckBox.checked) {
              //params.template.preserveScale = true;
              dijit.byId("scale_select").attr("disabled",false);
              console.log("checked");
            }
            else {
              //params.template.preserveScale = false;
              dijit.byId("scale_select").attr("disabled",true);
              console.log("unchecked");
            }
        }
    }, 'scale_check');

  var printButton = new BusyButton({
    busyLabel: "Impression...",
    label: "Imprimer",
    onClick: printMap
  }, "print_button_bis").startup();

  function printMap(){
    var printMap = new esri.tasks.PrintTask(printUrl);
    var params = new esri.tasks.PrintParameters();
    var template = new esri.tasks.PrintTemplate();
    document.getElementById("print_status").innerHTML = "Impression en cours...";
    document.getElementById("output_url").innerHTML = "";

    var layout = dojo.byId("printLayoutId");
    var index = layout.selectedIndex;
    var selectedValue_layout = layout.options[index].value;
    var format = dojo.byId("format");
    var index = format.selectedIndex;
    var selectedValue_format = format.options[index].value;

    var lat = window.myMap.extent.getCenter().getLatitude().toFixed(2);
    var long = window.myMap.extent.getCenter().getLongitude().toFixed(2);

    var latLong = "Latitude : " + lat + " - Longitude : " + long;

    var X;
    var Y;

    var rgpfSixSudSR = new SpatialReference ({
      wkid : 3297
    });

    var wgsGCSEightFourSR = new SpatialReference ({
      wkid : 4326
    });

    var geometryService = new GeometryService("http://ourserver/arcgis/rest/services/Utilities/Geometry/GeometryServer");
    var inputPoint = new Point(lat, long, wgsGCSEightFourSR);
    var prjParams = new ProjectParameters ();
    prjParams.geometries = [inputPoint];
    prjParams.outSR = rgpfSixSudSR;

    geometryService.project(prjParams, function (outputpoint) {
      console.log('Conversion completed');
      X = outputpoint[0].x;
      Y = outputpoint[0].y;
    });

    var center = "X : " + X + " - Y : " + Y;


    console.log(latLong);
    console.log(center);

    params.map = window.myMap;

    if (scaleCheckBox.checked) {
      params.template = {
        layout: selectedValue_layout,
        format: selectedValue_format,
        preserveScale: true,
        layoutOptions: {
          customTextElements : [
             {
               centerLatLong: latLong
             }
           ]
         }
      }
      console.log("checked");
    }
    else {
      params.template = {
        layout: selectedValue_layout,
        format: selectedValue_format,
        preserveScale: false,
        layoutOptions: {
          customTextElements : [
             {
               centerLatLong: latLong
             }
           ]

         }
      }
      console.log("unchecked");
    }

    printMap.execute(params, printResult);

    function printResult(result){
      console.log(result.url);
      document.getElementById("print_status").innerHTML = "";
      document.getElementById("output_url").href = result.url;
      document.getElementById("output_url").innerHTML = "Impression";

      var printButton = dijit.byId("print_button_bis");
      printButton.cancel();
      printButton.makeBusy(); //this one does not make it busy (only busy the first time)
      var printWindow = window.open(result.url);

    };
  };

});