The LzLoadQueue controls the queue of outbound data and media requests made by a running Laszlo app. The debugger also uses the LzLoadQueue to send requests for evaluation to the server.
<canvas height="100">
<dataset name="weatherdata" queuerequests="true"
ondata="status.update();content.display(this.getFirstChild())"
src="http://www.laszlosystems.com/cgi-pub/weather.cgi"/>
<simplelayout/>
<button> Start Load
<attribute name="loadCount" value="10"/>
<handler name="onclick">
weatherdata.setQueryParam('zip', '940' + this.loadCount++);
weatherdata.doRequest();
status.update();
</handler>
</button>
<text resize="true" name="status" oninit="this.update()">
<method name="update">
var op = LzLoadQueue.openConx;
this.setText("Open connections: " + op);
</method>
</text>
<text width="480" name="content" oninit="this.display(null)">
<method name="display" args="what">
if (!what) var str = '';
else {
var str = what.nodeName;
for (var k in what.attributes)
str += ' ' + k + '="' + what.attributes[k] + '"'
}
this.setText("Data: " + str);
</method>
</text>
</canvas>
