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    <title>Adjusting the VProgress Bar chart interactively</title>
    
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    <meta property="og:description" content="A chart library based on the HTML5 canvas tag" />
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    <script src="../libraries/OfficeExcel.vprogress.js" ></script>
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    <script>
        window.onload = function (e)
        {
            var vprogress = new OfficeExcel.VProgress('myc', 83, 100, 0);
            vprogress.Set('chart.color', 'red');
            vprogress.Set('chart.adjustable', OfficeExcel.isOld() ? false : true);
            vprogress.Set('chart.margin', 5);
            vprogress.Set('chart.tickmarks.inner', true);
            vprogress.Set('chart.label.inner', true);
            vprogress.Set('chart.units.post', '%');
            vprogress.Set('chart.gutter.right', 45);
            vprogress.Draw();
            
            OfficeExcel.AddCustomEventListener(vprogress, 'onadjustbegin', function (obj) {document.getElementById("output").value += 'Value before adjustment: ' + obj.value + '\n';});
            OfficeExcel.AddCustomEventListener(vprogress, 'onadjustend', function (obj) {document.getElementById("output").value += 'Value after adjustment: ' + obj.value + '\n';});
        }
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        <a href="../index.html">OfficeExcel: HTML5 Javascript charts library</a>
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        <a href="./index.html">Documentation</a>
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        <a href="adjusting.html">Adjusting charts interactively</a>
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        VProgress bar
    </div>

    <h1>Adjusting <span>your charts interactively - VProgress bar</span></h1>

    <script>
        if (OfficeExcel.isOld()) {
            document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer does not natively support the HTML5 canvas tag, so if you want to see the charts, you can either:<ul><li>Install <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame</a></li><li>Use ExCanvas. This is provided in the OfficeExcel Archive.</li><li>Use another browser entirely. Your choices are Firefox 3.5+, Chrome 2+, Safari 4+ or Opera 10.5+. </li></ul> <b>Note:</b> Internet Explorer 9 fully supports the canvas tag.</div>');
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    <canvas id="myc" width="150" height="600" style="border: 1px dashed gray; float: left; margin-right: 5px">[No canvas support]</canvas>

    <p>
        Nothing pertinent is kept in the registry. If you wish to get the new value of the progress you can check
        <i>obj.value</i>. If you want the value before the adjustment, you can check the value
        with the <i>onadjustbegin</i> event (instead of the <i>onadjustend</i> event).
    </p>
    
    <textarea id="output" style="width: 500px; height: 200px" readonly></textarea>

    <br clear="all" />

    <pre class="code" style="float: left">
&lt;script&gt;
    window.onload = function (e)
    {
        var vprogress = new OfficeExcel.VProgress('myc', 83, 100, 0);
        vprogress.Set('chart.color', 'red');
        vprogress.Set('chart.adjustable', true);
        vprogress.Set('chart.margin', 5);
        vprogress.Set('chart.tickmarks.inner', true);
        vprogress.Set('chart.label.inner', true);
        vprogress.Set('chart.units.post', '%');
        vprogress.Set('chart.gutter.right', 45);
        vprogress.Draw();
        
        OfficeExcel.AddCustomEventListener(vprogress, 'onadjustbegin', function (obj) {document.getElementById("output").value += 'Value before adjustment: ' + obj.value + '\n';});
        OfficeExcel.AddCustomEventListener(vprogress, 'onadjustend', function (obj) {document.getElementById("output").value += 'Value after adjustment: ' + obj.value + '\n';});
    }
&lt;/script&gt;
</pre>
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