WPF gridsplitter 无法触摸移动

Question

gridsplitter实现grid分割效果，鼠标移到可以改变列宽，但是在触屏的平板上，手指触摸不能拉动此控件，求高手帮忙解决~~

Answer 1

<Grid Grid.Column="1">
                <Grid.RowDefinitions>
                    <RowDefinition></RowDefinition>
                    <RowDefinition Height="5"></RowDefinition>
                    <RowDefinition Height="200"></RowDefinition>
                </Grid.RowDefinitions>
                <GroupBox Grid.Row="0" Margin="0 1 0 0"  Header="脉冲解析" FontSize="14" FontFamily="宋体"  Background="#30549c" BorderBrush="#30549c">
                    <!--<ScrollViewer ScrollViewer.CanContentScroll="True" View:ScrollViewerExtensions.AlwaysScrollToEnd="True" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto" Name="MainControlPanel">-->
                        <!--<Border Grid.Row="0" BorderBrush="#30549c" BorderThickness="1" Margin="0 -1 ">-->
                    <DataGrid ScrollViewer.CanContentScroll="True" SelectedIndex="{Binding SelectIndexGrid}" IsReadOnly="True" x:Name="MainWindowDataGrid" AutoGenerateColumns="False" ItemsSource="{Binding PdwAnalyzeResultL}" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto" CanUserSortColumns="False" >
                                <DataGrid.RowStyle>
                                    <Style TargetType="{x:Type DataGridRow}">
                                        <Style.Triggers>
                                            <DataTrigger Binding="{Binding ColorSign}" Value="One">
                                                <Setter Property="Foreground" Value="Black" />
                                            </DataTrigger>
                                            <DataTrigger Binding="{Binding ColorSign}" Value="Two">
                                                <Setter Property="Foreground" Value="Red" />
                                            </DataTrigger>
                                            <DataTrigger Binding="{Binding ColorSign}" Value="Three">
                                                <Setter Property="Foreground" Value="Yellow" />
                                            </DataTrigger>
                                            <Trigger Property="IsSelected" Value="True">
                                                <Setter Property="Background" Value="#30549c" />
                                            </Trigger>
                                        </Style.Triggers>
                                    </Style>
                                </DataGrid.RowStyle>
                                <DataGrid.Columns>
                                    <DataGridTextColumn Header="输入频率(MHz)" Binding="{Binding CenterFreq}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="端面功率(dBm)" Binding="{Binding Level}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="中心频率(MHz)" Binding="{Binding CenFreq}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="频率下限(MHz)" Binding="{Binding MinFreq}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="频率均方根" Binding="{Binding MaxFreqX}" Visibility="Collapsed"></DataGridTextColumn>
                                    <DataGridTextColumn Header="频率上限(MHz)" Binding="{Binding MaxFreq}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="脉宽均方根" Binding="{Binding WidthX}" Visibility="Collapsed"></DataGridTextColumn>
                                    <DataGridTextColumn Header="测量脉宽(ns)" Binding="{Binding Width}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="功率均方根" Binding="{Binding LevelX}" Visibility="Collapsed"></DataGridTextColumn>
                                    <DataGridTextColumn Header="测量重周(us)" Binding="{Binding Period}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="时间戳" Binding="{Binding TimeIndex}" Visibility="Collapsed"></DataGridTextColumn>
                                    <DataGridTextColumn Header="中频功率(dBm)" Binding="{Binding ALevel}" ></DataGridTextColumn>
                                    <DataGridTextColumn Header="调制类型" Binding="{Binding Mod}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="测频精度(MHz)" Binding="{Binding CenterFreqD}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="脉宽精度(ns)" Binding="{Binding WidthD}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="重周精度(us)" Binding="{Binding PeriodD}"></DataGridTextColumn>
                                    <DataGridTextColumn Header="信号源输出功率(dBm)" Binding="{Binding SignalSourceFreq}" Visibility="Collapsed"></DataGridTextColumn>
                                    <DataGridTextColumn Header="固定衰减(dBm)" Binding="{Binding FixedLine}" Visibility="Collapsed"></DataGridTextColumn>
                                    <DataGridTextColumn Header="输入脉宽(ns)" Binding="{Binding OriginalWidth}" Visibility="Collapsed"></DataGridTextColumn>
                                    <DataGridTextColumn Header="输入重周(us)" Binding="{Binding OriginalPeriod}" Visibility="Collapsed"></DataGridTextColumn>
                                    <DataGridTextColumn Header="线损(dB)" Binding="{Binding LineReduce}" ></DataGridTextColumn>
                                    <!--<DataGridTextColumn Header="是否存在谐波" Binding="{Binding IsHarmonic}" ></DataGridTextColumn>-->
                                    <!--<DataGridTextColumn Header="是否存在谐波" Binding="{Binding Sign}" ></DataGridTextColumn>-->
                                </DataGrid.Columns>
                                <DataGrid.ContextMenu>
                                    <ContextMenu Name="MainDatagridMenu">
                                        <MenuItem Header="CSV表数据导出" Command="{Binding Path= ControlCommand}" CommandParameter="50"></MenuItem>
                                        <MenuItem Header="加载CSV表格" Command="{Binding Path= ControlCommand}" CommandParameter="52"></MenuItem>
                                        <MenuItem Header="打开记录文件" Command="{Binding Path= ControlCommand}" CommandParameter="51"></MenuItem>
                                    </ContextMenu>
                                </DataGrid.ContextMenu>
                            </DataGrid>
                        <!--</Border>-->
                    <!--</ScrollViewer>-->
                </GroupBox>
                <GridSplitter Grid.Row="1" Height="5" HorizontalAlignment="Stretch"  Foreground="LightGray"></GridSplitter>
                <Grid Grid.Row="2">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition></ColumnDefinition>
                        <ColumnDefinition></ColumnDefinition>
                        <ColumnDefinition></ColumnDefinition>
                    </Grid.ColumnDefinitions>
                    <GroupBox Header="发送16进制报文" Grid.Row="0" FontSize="14" FontFamily="宋体"  Background="#30549c" BorderBrush="#30549c">
                        <ScrollViewer Grid.Row="0" VerticalScrollBarVisibility="Auto" Name="SendScroll">
                            <TextBox Name="SendInfo" TextWrapping = "Wrap" Text="{Binding SendStr,Mode=TwoWay}" HorizontalContentAlignment="Left" VerticalContentAlignment="Top"></TextBox>
                        </ScrollViewer>
                    </GroupBox>
                    <GroupBox Header="接收16进制报文" Grid.Column="1" FontSize="14" FontFamily="宋体"  Background="#30549c" BorderBrush="#30549c">
                        <ScrollViewer Grid.Row="1" VerticalScrollBarVisibility="Auto" Name="ReceiveScroll">
                            <TextBox Name="ReceiveInfo"  HorizontalContentAlignment="Left" VerticalContentAlignment="Top" TextWrapping = "Wrap" Text="{Binding ReceiveStr,Mode=TwoWay}"></TextBox>
                        </ScrollViewer>
                    </GroupBox>
                    <GroupBox Grid.Column="2" Header="接收报文解析" FontSize="14" FontFamily="宋体"  Background="#30549c" BorderBrush="#30549c">
                        <ScrollViewer VerticalScrollBarVisibility="Auto" Name="ReceiveAnalyzeScroll">
                            <TextBox  HorizontalContentAlignment="Left" VerticalContentAlignment="Top" Name="ReceiveAnaInfo" TextWrapping = "Wrap" Text="{Binding ReceiveAnalyzeInfo,Mode=TwoWay}"></TextBox>
                        </ScrollViewer>
                    </GroupBox>
                </Grid>
            </Grid>
        </Grid>