如何在wpf中找到丢弃的源代码

Question

我有很多ListView包含项目，有些有内容，有些没有。我想在空盒子的位置显示填充框。当我们拖动时如何找出填充框的ID以及如何查找Dropbox位置和空框和Listview的详细信息？ Listview项目显示为tile。并且还描述事件的类型。

见图片

 <DataTemplate DataType="{x:Type local:FieldSchedule}">
                <StackPanel Background="{StaticResource EquipmentItemBackground}">
                    <Grid>
                        <Grid.RowDefinitions>
                            <RowDefinition Height="*"></RowDefinition>
                            <RowDefinition Height="*"></RowDefinition>
                        </Grid.RowDefinitions>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*"></ColumnDefinition>
                        </Grid.ColumnDefinitions>
                        <Border Grid.Row="0" Grid.Column="0"  BorderBrush="Black" BorderThickness="1,1,1,0" CornerRadius="5,5,0,0" Width="243" Height="35"
                        VerticalAlignment="Center" HorizontalAlignment="Center" Padding="1" Background="#CFE2FC">
                            <StackPanel>
                                <Grid>
                                    <Grid.RowDefinitions>
                                        <RowDefinition Height="*"></RowDefinition>
                                    </Grid.RowDefinitions>
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition Width="*"></ColumnDefinition>
                                        <!--<ColumnDefinition Width="*"></ColumnDefinition>-->
                                    </Grid.ColumnDefinitions>
                                    <!--<TextBlock Grid.Row="0" Grid.Column="0" Text="Ticket #" Foreground="Black" FontSize="10"  
                                   VerticalAlignment="Center" HorizontalAlignment="Right"/>-->
                                    <TextBlock Grid.Row="0" Grid.Column="0" Text="{Binding OrderID}" Foreground="Black" FontSize="25" 
                                   VerticalAlignment="Center" HorizontalAlignment="Left" Margin="5,0,0,0"/>
                                </Grid>
                            </StackPanel>
                        </Border>
                        <Border Grid.Row="1" Grid.Column="0" x:Name="Border" BorderBrush="Black" CornerRadius="0,0,5,5" BorderThickness="1,0,1,1" Width="243" 
                        VerticalAlignment="Center" HorizontalAlignment="Center" Padding="1" Height="110" Background="White"  AllowDrop="True" DragEnter="Border_DragEnter_1" DragLeave="Border_DragLeave_1" Drop="Border_Drop">
                            <StackPanel>
                                <Grid Background="White">
                                    <Grid.RowDefinitions>
                                        <RowDefinition Height="*"></RowDefinition>
                                        <RowDefinition Height="*"></RowDefinition>
                                        <RowDefinition Height="*"></RowDefinition>
                                        <RowDefinition Height="*"></RowDefinition>
                                    </Grid.RowDefinitions>
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition Width="*"></ColumnDefinition>
                                    </Grid.ColumnDefinitions>
                                    <TextBlock Grid.Row="0" Grid.Column="0" Text="{Binding ContactName}" Foreground="Black" FontSize="13" TextAlignment="Left" 
                                   VerticalAlignment="Top" HorizontalAlignment="Left" Margin="5,1,0,0" TextWrapping="NoWrap" FontWeight="Medium"/>

                                    <TextBlock Grid.Row="1" Grid.Column="0" Text="{Binding JobName}" Foreground="Black" FontSize="13" TextAlignment="Left" 
                                   VerticalAlignment="Top" HorizontalAlignment="Left" Margin="5,1,0,0" TextWrapping="Wrap" FontWeight="Medium"/>

                                    <TextBlock Grid.Row="2" Grid.Column="0" Text="{Binding City}" Foreground="Black" FontSize="13" TextAlignment="Left" 
                                   VerticalAlignment="Top" HorizontalAlignment="Left" Margin="5,1,0,0" TextWrapping="Wrap" FontWeight="Medium"/>

                                    <TextBlock Grid.Row="3" Grid.Column="0" Text="{Binding EarlyIn}" Foreground="Black" FontSize="13" TextAlignment="Left" 
                                   VerticalAlignment="Top" HorizontalAlignment="Left" Margin="5,1,0,0" FontWeight="Medium"/>
                                    <TextBlock Grid.Row="3" Grid.Column="0" Text="{Binding StreetAddress}" Foreground="Black" FontSize="13" TextAlignment="Left" 
                                   VerticalAlignment="Top" HorizontalAlignment="Left" Margin="57,1,0,0" TextWrapping="Wrap" FontWeight="Medium"/>
                                    <Button Grid.Row="3" Grid.Column="0" x:Name="toggleButton1"  Margin="0,0,10,0" VerticalAlignment="Center" HorizontalAlignment="Right"  Width="24" Height="30" Padding="0" Background="White" BorderBrush="White" BorderThickness="0">
                                        <Image  Name="imgCalendar12" HorizontalAlignment="Right" Width="20" Height="30" Source="/Assets/cal.JPG"  Margin="0"/>
                                        <ie:Interaction.Triggers>
                                            <ie:EventTrigger EventName="Click">
                                                <ie:InvokeCommandAction Command="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType=telerik:RadTileList},Path=DataContext.UnassingedCalendarPopUpComand}"   CommandParameter="{Binding ElementName=toggleButton1}">
                                                </ie:InvokeCommandAction>
                                            </ie:EventTrigger>
                                        </ie:Interaction.Triggers>
                                    </Button>
                                </Grid>
                            </StackPanel>
                        </Border>
                    </Grid>
                </StackPanel>
                <!--<DataTemplate.Triggers>
                    <DataTrigger Binding="{Binding IsSelected, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type telerik:RadTileList}}}" Value="True" >
                        <Setter TargetName="Border" Property="Background" Value="{StaticResource EquipmentItemSelectedBackground}" />
                    </DataTrigger>

                </DataTemplate.Triggers>-->
            </DataTemplate>