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   | gRPC C# </title>
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            <article class="content wrap" id="_content" data-uid="Grpc.Core.Calls">
  
  
  <h1 id="Grpc_Core_Calls" data-uid="Grpc.Core.Calls" class="text-break">Class Calls
  </h1>
  <div class="markdown level0 summary"><p>Helper methods for generated clients to make RPC calls.
Most users will use this class only indirectly and will be 
making calls using client object generated from protocol
buffer definition files.</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><span class="xref">System.Object</span></div>
    <div class="level1"><span class="xref">Calls</span></div>
  </div>
  <div class="inheritedMembers">
    <h5>Inherited Members</h5>
    <div>
      <span class="xref">System.Object.Equals(System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.Equals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.GetHashCode()</span>
    </div>
    <div>
      <span class="xref">System.Object.GetType()</span>
    </div>
    <div>
      <span class="xref">System.Object.MemberwiseClone()</span>
    </div>
    <div>
      <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.ToString()</span>
    </div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="Grpc.Core.html">Grpc.Core</a></h6>
  <h6><strong>Assembly</strong>: Grpc.Core.dll</h6>
  <h5 id="Grpc_Core_Calls_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static class Calls</code></pre>
  </div>
  <h3 id="methods">Methods
  </h3>
  <a id="Grpc_Core_Calls_AsyncClientStreamingCall_" data-uid="Grpc.Core.Calls.AsyncClientStreamingCall*"></a>
  <h4 id="Grpc_Core_Calls_AsyncClientStreamingCall__2_Grpc_Core_CallInvocationDetails___0___1__" data-uid="Grpc.Core.Calls.AsyncClientStreamingCall``2(Grpc.Core.CallInvocationDetails{``0,``1})">AsyncClientStreamingCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt;)</h4>
  <div class="markdown level1 summary"><p>Invokes a client streaming call asynchronously.
In client streaming scenario, client sends a stream of requests and server responds with a single response.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static AsyncClientStreamingCall&lt;TRequest, TResponse&gt; AsyncClientStreamingCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt; call)
    where TRequest : class where TResponse : class</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Grpc.Core.CallInvocationDetails-2.html">CallInvocationDetails</a>&lt;TRequest, TResponse&gt;</td>
        <td><span class="parametername">call</span></td>
        <td><p>The call definition.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Grpc.Core.AsyncClientStreamingCall-2.html">AsyncClientStreamingCall</a>&lt;TRequest, TResponse&gt;</td>
        <td><p>An awaitable call object providing access to the response.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="typeParameters">Type Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="parametername">TRequest</span></td>
        <td><p>Type of request messages.</p>
</td>
      </tr>
      <tr>
        <td><span class="parametername">TResponse</span></td>
        <td><p>The of response message.</p>
</td>
      </tr>
    </tbody>
  </table>
  <a id="Grpc_Core_Calls_AsyncDuplexStreamingCall_" data-uid="Grpc.Core.Calls.AsyncDuplexStreamingCall*"></a>
  <h4 id="Grpc_Core_Calls_AsyncDuplexStreamingCall__2_Grpc_Core_CallInvocationDetails___0___1__" data-uid="Grpc.Core.Calls.AsyncDuplexStreamingCall``2(Grpc.Core.CallInvocationDetails{``0,``1})">AsyncDuplexStreamingCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt;)</h4>
  <div class="markdown level1 summary"><p>Invokes a duplex streaming call asynchronously.
In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
The response stream is completely independent and both side can be sending messages at the same time.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static AsyncDuplexStreamingCall&lt;TRequest, TResponse&gt; AsyncDuplexStreamingCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt; call)
    where TRequest : class where TResponse : class</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Grpc.Core.CallInvocationDetails-2.html">CallInvocationDetails</a>&lt;TRequest, TResponse&gt;</td>
        <td><span class="parametername">call</span></td>
        <td><p>The call definition.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Grpc.Core.AsyncDuplexStreamingCall-2.html">AsyncDuplexStreamingCall</a>&lt;TRequest, TResponse&gt;</td>
        <td><p>A call object providing access to the asynchronous request and response streams.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="typeParameters">Type Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="parametername">TRequest</span></td>
        <td><p>Type of request messages.</p>
</td>
      </tr>
      <tr>
        <td><span class="parametername">TResponse</span></td>
        <td><p>Type of responsemessages.</p>
</td>
      </tr>
    </tbody>
  </table>
  <a id="Grpc_Core_Calls_AsyncServerStreamingCall_" data-uid="Grpc.Core.Calls.AsyncServerStreamingCall*"></a>
  <h4 id="Grpc_Core_Calls_AsyncServerStreamingCall__2_Grpc_Core_CallInvocationDetails___0___1____0_" data-uid="Grpc.Core.Calls.AsyncServerStreamingCall``2(Grpc.Core.CallInvocationDetails{``0,``1},``0)">AsyncServerStreamingCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt;, TRequest)</h4>
  <div class="markdown level1 summary"><p>Invokes a server streaming call asynchronously.
In server streaming scenario, client sends on request and server responds with a stream of responses.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static AsyncServerStreamingCall&lt;TResponse&gt; AsyncServerStreamingCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt; call, TRequest req)
    where TRequest : class where TResponse : class</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Grpc.Core.CallInvocationDetails-2.html">CallInvocationDetails</a>&lt;TRequest, TResponse&gt;</td>
        <td><span class="parametername">call</span></td>
        <td><p>The call definition.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">TRequest</span></td>
        <td><span class="parametername">req</span></td>
        <td><p>Request message.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Grpc.Core.AsyncServerStreamingCall-1.html">AsyncServerStreamingCall</a>&lt;TResponse&gt;</td>
        <td><p>A call object providing access to the asynchronous response stream.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="typeParameters">Type Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="parametername">TRequest</span></td>
        <td><p>Type of request message.</p>
</td>
      </tr>
      <tr>
        <td><span class="parametername">TResponse</span></td>
        <td><p>The of response messages.</p>
</td>
      </tr>
    </tbody>
  </table>
  <a id="Grpc_Core_Calls_AsyncUnaryCall_" data-uid="Grpc.Core.Calls.AsyncUnaryCall*"></a>
  <h4 id="Grpc_Core_Calls_AsyncUnaryCall__2_Grpc_Core_CallInvocationDetails___0___1____0_" data-uid="Grpc.Core.Calls.AsyncUnaryCall``2(Grpc.Core.CallInvocationDetails{``0,``1},``0)">AsyncUnaryCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt;, TRequest)</h4>
  <div class="markdown level1 summary"><p>Invokes a simple remote call asynchronously.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static AsyncUnaryCall&lt;TResponse&gt; AsyncUnaryCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt; call, TRequest req)
    where TRequest : class where TResponse : class</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Grpc.Core.CallInvocationDetails-2.html">CallInvocationDetails</a>&lt;TRequest, TResponse&gt;</td>
        <td><span class="parametername">call</span></td>
        <td><p>The call definition.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">TRequest</span></td>
        <td><span class="parametername">req</span></td>
        <td><p>Request message.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Grpc.Core.AsyncUnaryCall-1.html">AsyncUnaryCall</a>&lt;TResponse&gt;</td>
        <td><p>An awaitable call object providing access to the response.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="typeParameters">Type Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="parametername">TRequest</span></td>
        <td><p>Type of request message.</p>
</td>
      </tr>
      <tr>
        <td><span class="parametername">TResponse</span></td>
        <td><p>The of response message.</p>
</td>
      </tr>
    </tbody>
  </table>
  <a id="Grpc_Core_Calls_BlockingUnaryCall_" data-uid="Grpc.Core.Calls.BlockingUnaryCall*"></a>
  <h4 id="Grpc_Core_Calls_BlockingUnaryCall__2_Grpc_Core_CallInvocationDetails___0___1____0_" data-uid="Grpc.Core.Calls.BlockingUnaryCall``2(Grpc.Core.CallInvocationDetails{``0,``1},``0)">BlockingUnaryCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt;, TRequest)</h4>
  <div class="markdown level1 summary"><p>Invokes a simple remote call in a blocking fashion.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static TResponse BlockingUnaryCall&lt;TRequest, TResponse&gt;(CallInvocationDetails&lt;TRequest, TResponse&gt; call, TRequest req)
    where TRequest : class where TResponse : class</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Grpc.Core.CallInvocationDetails-2.html">CallInvocationDetails</a>&lt;TRequest, TResponse&gt;</td>
        <td><span class="parametername">call</span></td>
        <td><p>The call definition.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">TRequest</span></td>
        <td><span class="parametername">req</span></td>
        <td><p>Request message.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">TResponse</span></td>
        <td><p>The response.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h5 class="typeParameters">Type Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="parametername">TRequest</span></td>
        <td><p>Type of request message.</p>
</td>
      </tr>
      <tr>
        <td><span class="parametername">TResponse</span></td>
        <td><p>The of response message.</p>
</td>
      </tr>
    </tbody>
  </table>
</article>
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