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	<h2><span>Boolean</span><span class="path">setting.edit.drag.</span>isCopy</h2>
	<h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.exedit</span> js ]</span></h3>
	<div class="desc">
		<p></p>
		<div class="longdesc">
			<p>When drag-drop node, set whether to allow to copy node. It is valid when <span class="highlight_red">[setting.edit.enable = true]</span></p>
			<p>Default: true</p>
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	<h3>Rules Description</h3>
	<div class="desc">
	<p>1. If isCopy = true and isMove = true, when drag-drop node, press Ctrl-Key or Cmd-key can copy node, don't press Ctrl-Key or Cmd-key can move node.</p>
	<p>2. If isCopy = true and isMove = false, when drag-drop node, will copy node.</p>
	<p>3. If isCopy = false and isMove = true, when drag-drop node, will move node.</p>
	<p>4. If isCopy = false and isMove = false, so disable to drag-drop node.</p>
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	<h3>Examples of setting</h3>
	<h4>1. all of the drag-drop operation will copy node.</h4>
	<pre xmlns=""><code>var setting = {
	edit: {
		enable: true,
		drag: {
			isCopy: true,
			isMove: false
		}
	}
};
......</code></pre>
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