Binding a usercontrol in WPF

<TabControl x:Name="tabControlMain" Margin="1,1,48,1" DataContext="{Binding}" Grid.RowSpan="2" Grid.ColumnSpan="2">
    <TabControl.ItemTemplate>
        <DataTemplate DataType="TabpageItem">
            <TextBlock Text="{Binding Title}">
                <TextBlock.ContextMenu>
                    <ContextMenu>
                        <MenuItem Header="Remove" Click="MenuItem_Remove_Click">
                            <MenuItem.Icon>
                                <Image Width="20" Height="20"  Source="..\Resources\remove.png" Stretch="Fill" />
                            </MenuItem.Icon>
                        </MenuItem>
                        <MenuItem Header="Rename" >
                            <MenuItem.Icon>
                                <Image Height="20"  Source="..\Resources\rename.png" Stretch="UniformToFill" />
                            </MenuItem.Icon>
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="Rename to:   " VerticalAlignment="Center"></TextBlock>
                                <TextBox Text="{Binding Title}" GotMouseCapture="TextBox_GotMouseCapture"></TextBox>
                            </StackPanel>
                        </MenuItem>
                    </ContextMenu >
                </TextBlock.ContextMenu>
            </TextBlock>
        </DataTemplate>
    </TabControl.ItemTemplate>
        <TabControl.ContentTemplate>
            <DataTemplate>
                        <myUserControl:UserControlTabpageContent></myUserControl:UserControlTabpageContent>
            </DataTemplate>
        </TabControl.ContentTemplate>
    <TabItem Header="tabItem1" Name="tabItem1" >
        <myUserControl:UserControlTabpageContent></myUserControl:UserControlTabpageContent>
    </TabItem>
</TabControl>

public MainWindow()
{
    InitializeComponent();
    //////////////////////////////////////////////////////////////////////////
    Load();
    tabControlMain.Items.Clear();
    tabControlMain.ItemsSource = totalInfoCollection.TabPageCollection;
}

<UserControl
             x:Class="InfoManager.Presentation_Layer.UserControlTabpageContent"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             mc:Ignorable="d"
             d:DesignHeight="300" d:DesignWidth="300">
    <Grid>
        <Grid Name="grid1">
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>
            <Grid Name="grid2">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="*" />
                </Grid.ColumnDefinitions>
                <TextBlock Name="textBlock1" Text="Select by tags:" VerticalAlignment="Center" HorizontalAlignment="Left" Margin="10" />
                <TextBox Grid.Column="1" Text="{Binding SerachString,UpdateSourceTrigger=PropertyChanged,Mode=TwoWay}"  Name="textBoxSelectionTags"  VerticalAlignment="Center" Margin="10" />
            </Grid>
            <ListView DataContext="{Binding}" ItemsSource="{Binding InfoItemSerachResult,UpdateSourceTrigger=PropertyChanged}"  Grid.Row="1" Name="listView1" Margin="10">
                <ListView.ContextMenu>
                    <ContextMenu>
                        <MenuItem Header="Add" >
                            <MenuItem.Icon>
                                <Image Height="20"  Source="..\Resources\add.png" Stretch="UniformToFill" />
                            </MenuItem.Icon>
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="Add:   " VerticalAlignment="Center"></TextBlock>
                                <TextBox Name="TextBox_AddNewInfoName"  GotMouseCapture="TextBox_GotMouseCapture" MinWidth="100"></TextBox>
                                <Button Name="Button_AddNewInfo" Click="Button_AddNewInfo_Click" Content="Add"></Button>
                            </StackPanel>
                        </MenuItem>
                    </ContextMenu >
                </ListView.ContextMenu>
            </ListView>
        </Grid>
    </Grid>
</UserControl>

private void Button_AddNewInfo_Click(object sender, RoutedEventArgs e)
{
    TabpageItem t=(((((sender as Button).Parent as StackPanel).Parent as MenuItem).Parent as ContextMenu).PlacementTarget as ListView).DataContext as TabpageItem;
    //t.
   // (sender as )
}

public partial class UserControlTabpageContent : UserControl
 {
     public UserControlTabpageContent()
     {
         InitializeComponent();
         listView1.Items.Clear();
        // listView1.ItemsSource = ??????;
     }