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POComponentOne Combobox Interactions MVVM
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  1. POComponentOne Combobox Interactions MVVM
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    copied!<p>I am working with ComponentOne WPF Controls with MVVM Pattern.</p> <p>I have the following in my ViewModel:</p> <pre><code> public ICommand ClientsEnter { get { if (this.m_ClientsEnter == null) { this.m_ClientsEnter = new DelegateCommand&lt;string&gt;(ClientsLostFocusExecute, ClientsLostFocusCanExecute); } return m_ClientsEnter; } } </code></pre> <p>And an observable collection :</p> <pre><code> public ObservableCollection&lt;Client&gt; Clients { get { return m_Clients; } set { m_Clients = value; RaisePropertyChanged("Clients"); } } </code></pre> <p>in Xaml I have Added A ComponentOne Combo Box where I can enter <code>ClientName</code> Or <code>ID</code> and press enter to fire Event to execute <code>ClientsEnter</code> Command:</p> <pre><code>&lt;Custom1:C1ComboBox Grid.Row="2" Grid.Column="1" Height="24" Name="cmbClients" HorizontalAlignment="Left" VerticalAlignment="Center" ItemsSource="{Binding Clients, Mode=OneWay}" SelectedValuePath="ClientID" DisplayMemberPath="NameE" IsEditable="True" Text="Enter Client Name Or ID" SelectedValue="{Binding Path=Filter.ClientID, Mode=TwoWay}" MinWidth="150" Margin="0,2" Width="189"&gt; &lt;i:Interaction.Triggers&gt; &lt;ei:KeyTrigger Key="Tab" FiredOn="KeyUp" ActiveOnFocus="True" SourceName="cmbClients"&gt; &lt;i:InvokeCommandAction Command="{Binding ClientsEnter, Mode=OneWay}" CommandParameter="{Binding Text,ElementName=cmbClients}" CommandName="KeyDown"/&gt; &lt;/ei:KeyTrigger&gt; &lt;/i:Interaction.Triggers&gt; &lt;/Custom1:C1ComboBox&gt; </code></pre> <p>I need to know why it doesn't work, after pressing enter the <code>clientID</code> Disappears and nothing happens. Even the <code>text="Enter Client Name Or ID"</code> doesn't appear! Any ideas?</p>
 

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