ank" rel="noopener noreferrer">ICollection<span id="LST59BB3E0F_5" data-languageSpecificText="cs=&lt;|vb=(Of |cpp=&lt;|nu=(|fs=&lt;'"></span>T<span id="LST59BB3E0F_6" data-languageSpecificText="cs=&gt;|vb=)|cpp=&gt;|nu=)|fs=&gt;"></span></a>; otherwise, false. This method
            also returns false if <span class="parameter">item</span> is not found in the original <a href="https://learn.microsoft.com/dotnet/api/system.collections.generic.icollection-1" target="_blank" rel="noopener noreferrer">ICollect