How to find a control inside generic.xaml in c#?

<ResourceDictionary
    x:Class="ListViewCustomControl"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:WpfCustomControlLibrary2">
    <Style TargetType="{x:Type local:ListViewCustomControl}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type local:ListViewCustomControl}">
                    <Border  removed="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}">
                        <ScrollViewer VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Disabled">                           
                            <StackPanel>
                                <ListView x:Name="ListView1" ItemsSource="{Binding}" Width="400" Foreground="Black"  
                                 HorizontalAlignment="Stretch" VerticalAlignment="Stretch" HorizontalContentAlignment="Center">                                   
                                    <ListView.View>                                       
                                        <GridView x:Name="GridView1">
                                            <GridViewColumn Width="390">                                                 
                                                <GridViewColumn.CellTemplate>                                                        
                                                    <DataTemplate>
                                                        <!--<Border Name="Border1"  BorderBrush="Black" Height="100">-->
                                                            <!--<Border.Background>
                                                                <ImageBrush  ImageSource="..\Images\BackColor.png"/>                                                                
                                                            </Border.Background>                                                          
                                                            <Border.BorderThickness>                                                                
                                                                <Thickness Bottom=".5"/>                                                                
                                                            </Border.BorderThickness>-->
                                                            <!--<WrapPanel>-->
                                                                <WrapPanel x:Name="WrapPanelLast"  Width="500" Height="100">
                                                                    <TextBlock Text="{Binding sdStartTime}" VerticalAlignment="Top"  Foreground="#F8A200"  Height="30" Width="80"/>
                                                                    <Rectangle Stroke="Red" Height="100"  StrokeThickness=".5"/>
                                                                    <Rectangle Margin="2,0,0,0" Stroke="Red" Height="100"  StrokeThickness=".5"/>
                                                                    <TextBlock FontWeight="Bold" Foreground="#626262"  Margin="10,0,0,0" VerticalAlignment="Top"   Height="30" Width="100"
                                                               Text="{Binding vcSubject}"/>
                                                                    <TextBlock Foreground="LightGray" FontWeight="Light" VerticalAlignment="Top" FontStyle="Oblique"
                                                                   FontFamily="Arial Rounded MT"  Height="30" Width="100"
                                                               Text="{Binding vcLocation}"/>
                                                                    <TextBlock Text="{Binding sdStartTime}" Margin="-350,20,0,0" VerticalAlignment="Top" Foreground="#F8A200"  Height="30" Width="50"/>
                                                                    <TextBlock Margin="-150,20,0,0" Text="-"/>
                                                                    <TextBlock Text="{Binding sdEndTime}" Margin="-250,20,0,0" VerticalAlignment="Top" Foreground="#F8A200"  Height="30" Width="50"/>
                                                                    <Button Content="{Binding vcGoogleMapsLocation}" x:Name="BttnMap" Margin="-310,25,0,0" 
                                                                              HorizontalContentAlignment="Right" Height="25"  Width="100">
                                                                        <Button.Background>
                                                                            <ImageBrush AlignmentX="Left" AlignmentY="Center"  ImageSource="Images\map.png">
                                                                            </ImageBrush>
                                                                        </Button.Background>
                                                                    </Button>
                                                                    <Button Content="{Binding vcConferenceCallNumber}" Margin="-100,25,0,0" HorizontalContentAlignment="Right" Height="25"  Width="100">
                                                                        <Button.Background>
                                                                            <ImageBrush AlignmentX="Left" AlignmentY="Center"   ImageSource="Images\button2.png">
                                                                            </ImageBrush>
                                                                        </Button.Background>
                                                                    </Button>
                                                                </WrapPanel>
                                                            <!--</WrapPanel>-->
                                                        <!--</Border>-->
                                                    </DataTemplate>
                                                </GridViewColumn.CellTemplate>
                                            </GridViewColumn>
                                        </GridView>
                                    </ListView.View>
                                </ListView>
                            </StackPanel>
                        </ScrollViewer>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</ResourceDictionary>