prs/prs.desktop/Panels/Timesheets/TimeSheetLeaveProcessor.xaml

<Window x:Class="PRSDesktop.TimeSheetLeaveProcessor"
        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:PRSDesktop"
        xmlns:syncfusion="http://schemas.syncfusion.com/wpf"
        mc:Ignorable="d"
        Title="TimeSheetLeaveProcessor" Height="800" Width="800" WindowStartupLocation="CenterScreen">
    <Grid Margin="5">
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="2*"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>
        
        <DockPanel Grid.Row="0">
            <Border BorderBrush="Gray" BorderThickness="0.75" CornerRadius="5,5,0,0" Margin="0,0,0,2" DockPanel.Dock="Top" Background="Gainsboro">
                <Label VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Content="Standard Leaves" Background="Transparent"/>
            </Border>
            <local:TimeSheetStandardLeaveGrid x:Name="standardleave" DockPanel.Dock="Top"/>
        </DockPanel>
        
        <syncfusion:SfGridSplitter Grid.Row="1" ResizeBehavior="PreviousAndNext" Height="4" HorizontalAlignment="Stretch"
                                   Background="Transparent" Template="{StaticResource HorizontalSplitter}">

            <syncfusion:SfGridSplitter.PreviewStyle>
                <Style TargetType="Control">
                    <Setter Property="Background" Value="Gray" />
                    <Setter Property="Template">
                        <Setter.Value>
                            <ControlTemplate TargetType="Control">
                                <Grid x:Name="Root" Opacity="0.5">
                                    <Rectangle Fill="{TemplateBinding Background}" />
                                </Grid>
                            </ControlTemplate>
                        </Setter.Value>
                    </Setter>
                </Style>
            </syncfusion:SfGridSplitter.PreviewStyle>

        </syncfusion:SfGridSplitter>
        
        <DockPanel Grid.Row="2">
            <Border BorderBrush="Gray" BorderThickness="0.75" CornerRadius="5,5,0,0" Margin="0,0,0,2" DockPanel.Dock="Top" Background="Gainsboro">
                <Label VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Content="Approved Leave Requests" Background="Transparent" />
            </Border>
            <local:TimeSheetLeaveRequestGrid x:Name="leaverequests" DockPanel.Dock="Top"/>
        </DockPanel>
        
        <DockPanel Grid.Row="3" LastChildFill="False" Margin="0,5,0,0">
            <Button x:Name="OK" DockPanel.Dock="Right" Content="Cancel" Width="80" Height="35" Click="Cancel_OnClick" />
            <Button x:Name="Cancel" DockPanel.Dock="Right" Content="OK" Width="80" Height="35" Margin="0,0,5,0" Click="OK_OnClick" />
        </DockPanel>
    </Grid>
</Window>