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我正在爲Windows Phone 8.1構建應用程序,滾動查看器後滾動查看器會一直返回頂部。就像我把它拖下來,當我釋放它時,它會回到頂端。Windows Phone 8.1滾動查看器
<ScrollViewer Margin="10,0,10,-1024" Height="1124" VerticalAlignment="Top"
VerticalScrollBarVisibility="Visible" VerticalScrollMode="Enabled"
AllowDrop="False" BringIntoViewOnFocusChange="True"
HorizontalScrollMode="Disabled" IsHoldingEnabled="True" >
<Grid Grid.Row="1" x:Name="ContentRoot" Height="468" Width="386" >
<TextBlock HorizontalAlignment="Left" Margin="64,326,0,0"
TextWrapping="Wrap" VerticalAlignment="Top" Foreground="White"
FontSize="16" Width="307" Height="68" >
<Run Foreground="#FFFF6767" Text="Single Phase "/>
<Run Foreground="#FFFF6767" Text="Amperes "/>
<Run Text="= "/>
<Run Text="(746 x Horsepower)/(Volts x Efficiency x Power Factor"/>
<Run Text=")"/>
</TextBlock>
</Grid>
</ScrollViewer>