Question

这是我第一次在WPF中使用GridSplitter。我试图允许用户调整包含2个主要控件的网格的大小。顶部是数据网格，下面是一个按钮，上面有一个地图图像。这就是设计师的样子。我有一个单独的行专门用于gridsplitter。行定义的xaml是

<Grid.RowDefinitions>
        <RowDefinition Height="37" />
        <RowDefinition Height="274*" />
        <RowDefinition Height="13*"/>
        <RowDefinition Height="272*"/>
        <RowDefinition Height="4*"/>
</Grid.RowDefinitions>

有趣的是，如果我将它移动，GridSplitter似乎可以工作。然后我可以根据需要移动它并正确运行。但是，似乎如果我将分离器移动到上面定义的行的行的上方，我就无法再将其向下移动。我只能继续向上移动。

我附上了一个指向gif的链接，显示了我所谈论的行为here。

我想知道如何在向上或向下移动时使GridSplitter功能保持不变，就像现在一样，只有从它的初始起始位置向下移动时，功能才是正确的。

感谢任何帮助。

更新：以下是保存网格的用户控件的完整xaml：

<UserControl x:Class="LWDCM.Views.JobsControl"
         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"
         xmlns:local="clr-namespace:LWDCM.Views"
         xmlns:Properties="clr-namespace:LWDCM.Properties"
         xmlns:Utility="clr-namespace:LWDCM.Utility"
         xmlns:Styles="clr-namespace:LWDCM.Styles"
         xmlns:gif="https://github.com/XamlAnimatedGif/XamlAnimatedGif"
         xmlns:Controls="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
         xmlns:Converters="clr-namespace:LWDCM.Converters"
         mc:Ignorable="d"
         Name="jobsControl"
         MinWidth="800"
         MinHeight="600"
         >


<UserControl.Resources>
    <ResourceDictionary>
        <ResourceDictionary.MergedDictionaries>
            <ResourceDictionary Source="../Styles/AppStyles.xaml" />
            <!-- MahApps.Metro resource dictionaries. Make sure that all file names are Case Sensitive! -->
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Colors.xaml" />
            <!-- Accent and AppTheme setting -->
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/Blue.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/BaseLight.xaml" />
        </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary>
</UserControl.Resources>

<Grid x:Name="MainGrid"
      Margin="0,0,0,0"
      Background="#26598c"
      >

    <!--<Grid.Background>
        <LinearGradientBrush ColorInterpolationMode="SRgbLinearInterpolation"
                             StartPoint="0.5, 0.0"
                             EndPoint="0.5, 1.0">
            <GradientStopCollection>
                <GradientStop Color="#FF111111"
                              Offset="0.0" />
                <GradientStop Color="#FF333333"
                              Offset="0.5" />
                <GradientStop Color="#FF111111"
                              Offset="1.0" />
            </GradientStopCollection>
        </LinearGradientBrush>
    </Grid.Background>-->

    <Grid.RowDefinitions>
        <RowDefinition Height="37" />
        <RowDefinition Height="274*" />
        <RowDefinition Height="13*"/>
        <RowDefinition Height="272*"/>
        <RowDefinition Height="4*"/>
    </Grid.RowDefinitions>

    <Grid.Resources>
        <ContextMenu x:Key="ListViewContextMenu">
            <MenuItem x:Name="ContextRename"
                      Header="{x:Static Properties:Resources.RenameJob}"
                      Command="{Binding RenameJobCommand}" />
            <MenuItem x:Name="ContextSetJobsiteAddress"
                      Header="{x:Static Properties:Resources.SetJobsiteAddress}"
                      Command="{Binding UpdateJobSiteAddressCommand}" />
            <MenuItem x:Name="ContextSetCustomerAddress"
                      Header="{x:Static Properties:Resources.SetCustomerAddress}"
                      Command="{Binding UpdateCustomerInformationCommand}" />
            <MenuItem x:Name="ContextSetContractorAddress"
                      Header="{x:Static Properties:Resources.SetContractorAddress}"
                      Command="{Binding UpdateContractorInformationCommand}" />
            <MenuItem x:Name="ContextEditWorkOrderNumber"
                      Header="{x:Static Properties:Resources.EditWorkOrderNumber}"
                      Command="{Binding EditWorkOrderNumberCommand}" />
            <Separator/>
            <MenuItem x:Name="ExportToKML"
                      Header="{x:Static Properties:Resources.ExportToKML}"
                      Command="{Binding ExportToKMLCommand}"/>
        </ContextMenu>
        <Converters:NullVisibilityConverter x:Key="NullVisibilityConverter" />
    </Grid.Resources>

    <DataGrid x:Name="JobListView"
              AutoGenerateColumns="False"
              ItemsSource="{Binding UnitStatusCollection, Mode=TwoWay}"
              CanUserDeleteRows="False"
              Style="{StaticResource JobGridViewStyle}"
              SelectedItem="{Binding JobsListViewSelectedUnitInfo, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
              Utility:DataGridColumnsBehavior.BindableColumns="{Binding DataGridColumns}"
              ContextMenu="{StaticResource ListViewContextMenu}"
              Margin="10,0,10,2"
              Grid.Row="1"
              SelectionMode="Single"
              SelectionUnit="FullRow"
              HorizontalAlignment="Stretch"
              HorizontalContentAlignment="Stretch"
              RowStyle="{StaticResource DataGridRowStyle}"
              CellStyle="{StaticResource DataGridCellStyle}"
              AlternationCount="2"
              CanUserResizeRows="False"
              HorizontalGridLinesBrush="#d6d6d6"
              VerticalGridLinesBrush="#d6d6d6"
              Background="#EAEAEA"
              >

        <!--This is to allow double clicks to open a job in LWD 3x-->
        <DataGrid.InputBindings>
            <MouseBinding Gesture="LeftDoubleClick"
                          Command="{Binding OpenInLWD3xCommand}" />
            <KeyBinding Key="Return"
                        Command="{Binding OpenInLWD3xCommand}" />
            <KeyBinding Key="F5"
                            Command="{Binding RefreshCommand}"/>
        </DataGrid.InputBindings>

        <DataGrid.Resources>
            <Converters:DoubleNanVisibilityConverter x:Key="DoubleNanVisibilityConverter" />
            <Converters:NullVisibilityConverter x:Key="NullVisibilityConverter" />

        </DataGrid.Resources>

    </DataGrid>


    <Button Cursor="Hand"
            Grid.ZIndex="0"
            Margin="10,2,10,1"
            Grid.Row="3"
            x:Name="cmdMapImage"
            Visibility="{Binding JobsListViewSelectedUnitInfo, Converter={StaticResource NullVisibilityConverter}}"
            Style="{StaticResource MapButtonStyle}"
            Command="{Binding ShowMapOnlineCommand}">
        <Image x:Name="mapImage"
               Source="{Binding DisplayedImage}"
               Tag="{Binding JobId}"
               Stretch="Fill"
               VerticalAlignment="Center"
               RenderOptions.BitmapScalingMode="HighQuality">
        </Image>
    </Button>

    <Rectangle Fill="#26598c"
               Grid.ZIndex="1"
               Margin="0,10,7,0"
               Grid.Row="3"
               Height="46"
               VerticalAlignment="Top"
               HorizontalAlignment="Right"
               Width="226"
               RadiusY="3.667"
               RadiusX="3.667"
               Focusable="False"/>

    <Button Grid.ZIndex="2"
            Command="{Binding ScanForwardCommand}"
            x:Name="scrollRightButton"
            Margin="0,20,15,0"
            HorizontalAlignment="Right"
            Width="30"
            Height="26"
            VerticalAlignment="Top"
            Grid.Row="3">

        <Image x:Name="scrollRight"
               Source="/Assets/Down-30px-tall.png"
               Stretch="Fill"
               VerticalAlignment="Center"
               RenderOptions.BitmapScalingMode="HighQuality">

        </Image>
    </Button>

    <Button Grid.ZIndex="2"
            Command="{Binding ScanBackwardCommand}"
            x:Name="scrollLeftButton"
            Margin="0,20,50,0"
            RenderTransformOrigin="1,-0.617"
            HorizontalAlignment="Right"
            Width="30"
            Height="26"
            VerticalAlignment="Top"
            Grid.Row="3">

        <Image x:Name="scrollLeft"
               Source="/Assets/Up-30px-tall.png"
               Stretch="Fill"
               VerticalAlignment="Center"
               RenderOptions.BitmapScalingMode="HighQuality">

        </Image>
    </Button>

    <ComboBox x:Name="ScanSizesComboBox"
              Grid.ZIndex="2"
              ItemsSource="{Binding ScanSizes}"
              SelectedItem="{Binding SelectedScanSize, Mode=TwoWay}"
              ToolTip="{Binding (Validation.Errors)[0].ErrorContent}"
              Margin="0,20,85,0"
              HorizontalAlignment="Right"
              Width="61"
              Height="26"
              VerticalAlignment="Top"
              Grid.Row="3" />

    <Button x:Name="OpenLWD"
            Grid.ZIndex="2"
            Command="{Binding OpenInLWD3xCommand}"
            Margin="0,20,150,0"
            HorizontalAlignment="Right"
            Width="75"
            Height="26"
            VerticalAlignment="Top"
            Grid.Row="3"
            Padding="0"
            Background="#26598c">


        <Image x:Name="openIn3x"
               Source="/Assets/LWD-button.png"
               Tag="{Binding JobId}"
               Stretch="Fill"
               VerticalAlignment="Center"
               RenderOptions.BitmapScalingMode="HighQuality"
               Height="27">
        </Image>

    </Button>

    <DockPanel Grid.Row="0"
               LastChildFill="False"
               Grid.RowSpan="4">
        <Menu x:Name="menu"
              DockPanel.Dock="Top"
              IsTabStop="False"
              FontSize="13"
              VerticalAlignment="Top"
              Background="WhiteSmoke"
              Height="27">

            <MenuItem x:Name="FileMenu"
                      Header="{x:Static Properties:Resources.File}"
                      Background="Transparent" FontFamily="Arial">
                <MenuItem x:Name="BluetoothUpload"
                          Header="{x:Static Properties:Resources.UploadBluetoothJob}"
                          IsEnabled="True"
                          Command="{Binding OpenLWD3xBluetoothCommand}" />
                <MenuItem x:Name="FileUpload"
                          Header="{x:Static Properties:Resources.UploadLocalFile}"
                          IsEnabled="True"
                          Command="{Binding AddLocalJobCommand}" />
                <Separator />
                <MenuItem x:Name="FileLogout"
                          Header="{x:Static Properties:Resources.Logout}"
                          IsEnabled="True"
                          Command="{Binding LogoutCommand}"
                          CommandParameter="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Window}}}" />
            </MenuItem>

            <MenuItem x:Name="ViewMenu"
                      Header="{x:Static Properties:Resources.View}"
                      Background="Transparent">
                <MenuItem x:Name="ColumnOptions"
                          Header="{x:Static Properties:Resources.ColumnOptions}"
                          Background="Transparent"
                          Command="{Binding ShowColumnOptionsDialogCommand}" />

                <MenuItem x:Name="DisplayUnits"
                          Header="{x:Static Properties:Resources.DisplayUnits}"
                          Background="Transparent"
                          Command="{Binding ShowUnitsSelectionCommand}" />

                <Separator />
                <MenuItem x:Name="ViewRefresh"
                          IsEnabled="True"
                          Header="Re_fresh"
                          Command="{Binding RefreshCommand}"
                          />
                <!--<MenuItem x:Name="ViewOptions" Header="_Options" />-->
            </MenuItem>
            <MenuItem x:Name="HelpMenu"
                      Header="{x:Static Properties:Resources.Help}"
                      Background="Transparent">
                <MenuItem x:Name="HelpOpen"
                          Header="{x:Static Properties:Resources.OnlineHelp}" />
                <Separator />
                <MenuItem x:Name="HelpAbout"
                          Header="{x:Static Properties:Resources.About}"
                          Command="{Binding ShowAboutDialogCommand}" />

                <MenuItem x:Name="DeleteUnits"
                          Header="Delete all Units"
                          Command="{Binding RemoveUnitsCommand}"/>
            </MenuItem>
        </Menu>
    </DockPanel>

    <GridSplitter x:Name="gridSplitter" Grid.Row="2" Width="Auto" MinHeight="5" MaxHeight="5" HorizontalAlignment="Stretch" VerticalAlignment="Center" Margin="0,4,0,4" />
</Grid>


</UserControl>

这是JobGridViewStyle：

 <Style x:Key="JobGridViewStyle" TargetType="DataGrid">
    <Setter Property="HorizontalAlignment" Value="Stretch" />
    <Setter Property="HorizontalContentAlignment" Value="Left" />
    <Setter Property="Background" Value="WhiteSmoke" />
    <Setter Property="SelectionMode" Value="Single" />
    <Setter Property="BorderThickness" Value="0" />
    <Setter Property="Margin" Value="10,0,10,0" />
</Style>

Answer 1

我很感激帮助。我真的不确定原因，但我的答案的解决方案是添加

ShowsPreview="True"

到我的GridSplitter。我不知道为什么这会影响功能，但它解决了我的问题。

作为参考，当我找到解决方案时，我正在查看此页面：How to: Resize Rows with a GridSplitter。

再次感谢

Gridsplitter不受欢迎的行为

1 个答案: