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    <p>There were only two things with rixo's code which prevented resize to work properly:</p> <p>Firstly, size of chart was set as constant (instead of being calculated based on container's size)</p> <p>I've removed line </p> <pre><code>size:{height:200,height:300} </code></pre> <p><em>UPDATE</em>: there was a single issue with size, there is no need in timeout</p> <p><strike>Secondly, by some reason ExtJS fires "resize" event <em>before</em> actual resize (so container still has exactly the same size)</p> <p>To re-render chart after real resize, I've added setTimeout call with zero interval</p> <pre><code> setTimeout(function () { chart._render({ animate: false }) }) </code></pre> <p></strike> Now it appears to be working and resizing properly</p> <p>Reworked version of rixo's fiddle is accessible here: <a href="http://jsfiddle.net/kaatula/4sHkZ/1/" rel="nofollow">http://jsfiddle.net/kaatula/4sHkZ/1/</a></p> <p>Code now looks like:</p> <pre><code>Ext.define('DxChartPanel', { extend: 'Ext.Panel' ,resizable: true ,html: '&lt;div class="chartContainer" style="width: 100%; height: 100%"&gt;&lt;/div&gt;' ,initComponent: function() { this.callParent(arguments); this.on({ scope: this ,resize: function(panel) { var ct = panel.body.down('.chartContainer'), chart = $(ct.dom).dxChart('instance'); console.log($(ct.dom).height()); ct.setSize(panel.body.getSize()); setTimeout(function () { chart._render({ animate: false }) }) } ,afterrender: function(panel) { var el = this.body, target = el.down('.chartContainer'); target.setSize(el.getSize()); this.createChart($(target.dom)); } }); } ,createChart: function(target) { var c = target.dxChart({ commonSeriesSettings: { label: { visible: true } }, series: [{ data: [ { arg: 0, val: 1 }, { arg: 2, val: 4 }, { arg: 4, val: 2 }] }, { data: [ { arg: 1, val: 1 }, { arg: 2.5, val: 9 }, { arg: 3.7, val: 5.6 }] }] }); }, resize: function () { console.log(resize); } }); Ext.create('DxChartPanel', { renderTo: Ext.getBody() ,title: "Resizable Panel" ,height: 300 ,width: 300 }); Ext.widget('window', { autoShow: true ,title: "dxChart Window" ,width: 350 ,height: 350 ,layout: 'fit' ,items: [Ext.create('DxChartPanel', { border: false })] }); </code></pre>
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    1. POExtjs with Devexpress ChartJS
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    1. USAndrey Kuleshov
    1. USAndrey Kuleshov
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    1. COWell done. The funny thing is that I tried to remove that size line, and the chart didn't render. Maybe I missed a syntax error, or didn't wait long enough for the fiddle to load... The other funny thing is that your code works perfectly for me, even without the `setTimeout` (in FF and Chrome, Linux).
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    2. COrixo, it was my bad; there is really no need in setTimeout. I tested height of container before the call of ct.setSize
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