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<a href="vscode.EventEmitter.html">EventEmitter</a>
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<h1>Class EventEmitter<T></h1>
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<p>An event emitter can be used to create and manage an <a href="../interfaces/vscode.Event.html">Event</a> for others
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to subscribe to. One emitter always owns one event.</p>
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<p>Use this class if you want to provide event from within your extension, for instance
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inside a <a href="../interfaces/vscode.TextDocumentContentProvider.html">TextDocumentContentProvider</a> or when providing
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API to other extensions.</p>
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<section class="tsd-panel tsd-type-parameters">
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<h3>Type parameters</h3>
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<ul class="tsd-type-parameters">
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<li>
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<h4>T</h4>
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</li>
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</ul>
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<section class="tsd-panel tsd-hierarchy">
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<h3>层级</h3>
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<ul class="tsd-hierarchy">
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<li>
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<span class="target">EventEmitter</span>
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</li>
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</ul>
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<h2>索引</h2>
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<div class="tsd-index-content">
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<section class="tsd-index-section ">
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<h3>Constructors（1）</h3>
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<ul class="tsd-index-list">
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<li class="tsd-kind-constructor tsd-parent-kind-class tsd-has-type-parameter"><a href="vscode.EventEmitter.html#constructor" class="tsd-kind-icon">constructor</a></li>
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</ul>
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</section>
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<section class="tsd-index-section ">
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<h3>Properties（1）</h3>
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<ul class="tsd-index-list">
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<li class="tsd-kind-property tsd-parent-kind-class"><a href="vscode.EventEmitter.html#event" class="tsd-kind-icon">event</a></li>
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</ul>
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</section>
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<section class="tsd-index-section ">
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<h3>Methods（2）</h3>
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<ul class="tsd-index-list">
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<li class="tsd-kind-method tsd-parent-kind-class"><a href="vscode.EventEmitter.html#fire" class="tsd-kind-icon">fire</a></li>
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<li class="tsd-kind-method tsd-parent-kind-class"><a href="vscode.EventEmitter.html#dispose" class="tsd-kind-icon">dispose</a></li>
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</ul>
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</section>
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</div>
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</section>
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</section>
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<section class="tsd-panel-group tsd-member-group ">
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<h2>Constructors（1）</h2>
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<section class="tsd-panel tsd-member tsd-kind-constructor tsd-parent-kind-class tsd-has-type-parameter">
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<a name="constructor" class="tsd-anchor"></a>
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<h3>constructor</h3>
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<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class tsd-has-type-parameter">
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<li class="tsd-signature tsd-kind-icon">new <wbr>Event<wbr>Emitter<T><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="vscode.EventEmitter.html" class="tsd-signature-type" data-tsd-kind="Class">EventEmitter</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">></span></li>
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</ul>
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<ul class="tsd-descriptions">
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<li class="tsd-description">
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<aside class="tsd-sources">
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</aside>
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<h4 class="tsd-type-parameters-title">Type parameters</h4>
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<ul class="tsd-type-parameters">
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<li>
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<h4>T</h4>
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</ul>
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<h4 class="tsd-returns-title">Returns <a href="vscode.EventEmitter.html" class="tsd-signature-type" data-tsd-kind="Class">EventEmitter</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">></span></h4>
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</li>
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</ul>
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</section>
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</section>
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<section class="tsd-panel-group tsd-member-group ">
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<h2>Properties（1）</h2>
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<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class">
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<a name="event" class="tsd-anchor"></a>
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<h3>event</h3>
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<div class="tsd-signature tsd-kind-icon">event<span class="tsd-signature-symbol">:</span> <a href="../interfaces/vscode.Event.html" class="tsd-signature-type" data-tsd-kind="Interface">Event</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">></span></div>
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<aside class="tsd-sources">
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<ul>
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<li>Defined in <a href="https://github.com/youngjuning/vscode-api-cn.js.org/blob/587984b/vscode.d.ts#L1515">vscode.d.ts:1515</a></li>
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</ul>
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</aside>
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<div class="tsd-comment tsd-typography">
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<div class="lead">
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<p>The event listeners can subscribe to.</p>
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</div>
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</section>
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</section>
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<section class="tsd-panel-group tsd-member-group ">
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<h2>Methods（2）</h2>
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<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
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<a name="fire" class="tsd-anchor"></a>
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<h3>fire</h3>
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<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
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<li class="tsd-signature tsd-kind-icon">fire<span class="tsd-signature-symbol">(</span>data<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
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<ul class="tsd-descriptions">
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<li class="tsd-description">
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<aside class="tsd-sources">
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<ul>
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<li>Defined in <a href="https://github.com/youngjuning/vscode-api-cn.js.org/blob/587984b/vscode.d.ts#L1523">vscode.d.ts:1523</a></li>
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</aside>
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<div class="tsd-comment tsd-typography">
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<div class="lead">
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<p>Notify all subscribers of the <a href="vscode.EventEmitter.html#event">event</a>. Failure
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of one or more listener will not fail this function call.</p>
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</div>
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<h4 class="tsd-parameters-title">Parameters</h4>
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<h5>data: <span class="tsd-signature-type">T</span></h5>
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<div class="tsd-comment tsd-typography">
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<p>The event object.</p>
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</div>
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</li>
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<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
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</li>
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</section>
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<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
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<a name="dispose" class="tsd-anchor"></a>
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<h3>dispose</h3>
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<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
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<li class="tsd-signature tsd-kind-icon">dispose<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
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<ul class="tsd-descriptions">
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<li class="tsd-description">
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<aside class="tsd-sources">
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<ul>
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<li>Defined in <a href="https://github.com/youngjuning/vscode-api-cn.js.org/blob/587984b/vscode.d.ts#L1528">vscode.d.ts:1528</a></li>
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<div class="tsd-comment tsd-typography">
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<p>Dispose this object and free resources.</p>
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<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
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</ul>
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</section>
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</section>
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