s="codeSnippetContainerCode" style="display: none"><pre xml:space="preserve">&lt;<span class="identifier">NotifyPropertyChangedInvocatorAttribute</span>&gt;
<span class="keyword">Protected</span> <span class="keyword">Overridable</span> <span class="keyword">Sub</span> <span class="identifier">OnPropertyChanged</span> ( 
	Optional <span class="parameter">propertyName</span> <span class="keyword">As</span> <span class="identifier">String</span> = <span class="keyword">Nothing</span>
)</pre></div></div></div>