lank">System<span id="LSTD3ED7A74_6"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTD3ED7A74_6?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Int32</a><br /></dd><dt><span class="parameter">onlyAllowEncryptMessage</span> (Optional)</dt><dd>类型：<a href="https://docs.microsoft.com/dotnet/api/system.boolean" target="_blank">System<span id="LSTD3ED7A74_7"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTD3ED7A74_7?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Boolean</a><br />当�