最后的 WP7 水平列表框项目被切断

Question

我遇到了这个令人沮丧的问题，我的列表框上的最后几个项目被截断了。

我已将列表框设置为水平滚动和显示。我的 ItemPanelTemplate 包含一个 VirtualizedStackPanel（当我使用普通的堆栈面板时，我的列表框只显示有限数量的项目，而虚拟一个显示除最后两个之外的所有项目）

我必须指出，当我将它从水平更改为垂直时，一切正常，这是我的 xaml。

请帮忙

<Grid Name="JumpTo" Visibility="Collapsed" Background="#FF0A0909" Opacity="0.95" >
    <TextBlock Text="Jump To"/>
    <ListBox ItemsSource="{Binding}" 
             HorizontalAlignment="Left" 
             Name="lbJumpTo" 
             VerticalAlignment="Top" 
             SelectionChanged="lbJumpTo_SelectionChanged" 
             Height="248" Width="623" 
             Margin="34,77,0,0" ScrollViewer.HorizontalScrollBarVisibility="Auto">
        <ListBox.ItemsPanel>
            <ItemsPanelTemplate>
                <VirtualizingStackPanel Orientation="Horizontal"></VirtualizingStackPanel>
            </ItemsPanelTemplate>    
        </ListBox.ItemsPanel>

        <ListBox.ItemTemplate>
            <DataTemplate>

                <StackPanel Orientation="Vertical" Width="200" Height="160">

                    <Grid x:Name="gridLoop" Height="90" Width="150" Background="{x:Null}">
                        <Grid.RowDefinitions>
                            <RowDefinition />
                            <RowDefinition />
                            <RowDefinition />
                            <RowDefinition />
                            <RowDefinition />
                            <RowDefinition />
                        </Grid.RowDefinitions>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition />
                            <ColumnDefinition />
                            <ColumnDefinition />
                            <ColumnDefinition />
                            <ColumnDefinition />
                            <ColumnDefinition />
                            <ColumnDefinition />
                            <ColumnDefinition />
                        </Grid.ColumnDefinitions>

                        <Image Source="{Binding LoopDisplayMatrix[0][0]}" Grid.Row="0" Grid.Column="0" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[0][1]}" Grid.Row="0" Grid.Column="1"  Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[0][2]}" Grid.Row="0" Grid.Column="2"  Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[0][3]}" Grid.Row="0" Grid.Column="3"  Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[0][4]}" Grid.Row="0" Grid.Column="4" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[0][5]}" Grid.Row="0" Grid.Column="5" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[0][6]}" Grid.Row="0" Grid.Column="6" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[0][7]}" Grid.Row="0" Grid.Column="7" Width="20" Height="20"/>

                        <Image Source="{Binding LoopDisplayMatrix[1][0]}" Grid.Row="1" Grid.Column="0" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[1][1]}" Grid.Row="1" Grid.Column="1" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[1][2]}" Grid.Row="1" Grid.Column="2" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[1][3]}" Grid.Row="1" Grid.Column="3" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[1][4]}" Grid.Row="1" Grid.Column="4" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[1][5]}" Grid.Row="1" Grid.Column="5" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[1][6]}" Grid.Row="1" Grid.Column="6" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[1][7]}" Grid.Row="1" Grid.Column="7" Width="20" Height="20"/>

                        <Image Source="{Binding LoopDisplayMatrix[2][0]}" Grid.Row="2" Grid.Column="0" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[2][1]}" Grid.Row="2" Grid.Column="1" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[2][2]}" Grid.Row="2" Grid.Column="2" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[2][3]}" Grid.Row="2" Grid.Column="3" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[2][4]}" Grid.Row="2" Grid.Column="4" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[2][5]}" Grid.Row="2" Grid.Column="5" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[2][6]}" Grid.Row="2" Grid.Column="6" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[2][7]}" Grid.Row="2" Grid.Column="7" Width="20" Height="20"/>

                        <Image Source="{Binding LoopDisplayMatrix[3][0]}" Grid.Row="3" Grid.Column="0" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[3][1]}" Grid.Row="3" Grid.Column="1" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[3][2]}" Grid.Row="3" Grid.Column="2" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[3][3]}" Grid.Row="3" Grid.Column="3" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[3][4]}" Grid.Row="3" Grid.Column="4" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[3][5]}" Grid.Row="3" Grid.Column="5" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[3][6]}" Grid.Row="3" Grid.Column="6" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[3][7]}" Grid.Row="3" Grid.Column="7" Width="20" Height="20"/>

                        <Image Source="{Binding LoopDisplayMatrix[4][0]}" Grid.Row="4" Grid.Column="0" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[4][1]}" Grid.Row="4" Grid.Column="1" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[4][2]}" Grid.Row="4" Grid.Column="2" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[4][3]}" Grid.Row="4" Grid.Column="3" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[4][4]}" Grid.Row="4" Grid.Column="4" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[4][5]}" Grid.Row="4" Grid.Column="5" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[4][6]}" Grid.Row="4" Grid.Column="6" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[4][7]}" Grid.Row="4" Grid.Column="7" Width="20" Height="20"/>

                        <Image Source="{Binding LoopDisplayMatrix[5][0]}" Grid.Row="5" Grid.Column="0" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[5][1]}" Grid.Row="5" Grid.Column="1" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[5][2]}" Grid.Row="5" Grid.Column="2" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[5][3]}" Grid.Row="5" Grid.Column="3" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[5][4]}" Grid.Row="5" Grid.Column="4" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[5][5]}" Grid.Row="5" Grid.Column="5" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[5][6]}" Grid.Row="5" Grid.Column="6" Width="20" Height="20"/>
                        <Image Source="{Binding LoopDisplayMatrix[5][7]}" Grid.Row="5" Grid.Column="7" Width="20" Height="20"/>

                    </Grid>

                    <StackPanel Orientation="Vertical" Height="50" Width="100">
                        <TextBlock Text="{Binding LoopName}" Width="150" Height="40"  />
                        <TextBlock Text="{Binding TempoDisplay}" Width="150" Height="40"  />
                    </StackPanel>

                </StackPanel>

            </DataTemplate>
        </ListBox.ItemTemplate>
    </ListBox>
</Grid>

Answer 1

干杯 Senthil Kumar。我将数据模板中 Top Stackpanel 的宽度设置为 auto，这解决了我的问题。