<Grid
        VerticalAlignment="Stretch"
        BorderBrush="{ThemeResource SystemControlHighlightChromeHighBrush}"
        BorderThickness="0,0,1,1">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="300*" MinWidth="100" />
            <ColumnDefinition Width="Auto" MinWidth="6" />
            <ColumnDefinition Width="300" MinWidth="32" />
            <ColumnDefinition Width="Auto" MinWidth="6" />
            <ColumnDefinition Width="300" MinWidth="32" />
        </Grid.ColumnDefinitions>

        <Border
            Grid.Row="0"
            Grid.Column="0"
            Background="MidnightBlue">
            <TextBlock Text="This text is in a column with 1* Width - This is what causes the second splitter not to work." TextWrapping="Wrap" />
        </Border>
        <Border Grid.Row="0" Grid.Column="2">
            <TextBlock Text="This column resizes properly, and if it's the only one after the 1* column, it also resizes properly." TextWrapping="Wrap" />
        </Border>
        <Border
            Grid.Row="0"
            Grid.Column="4"
            Background="DarkRed">
            <TextBlock Text="This text Is not resizing - Grid.Column.Width = 300 - ResizeBehavior=PreviousAndNext" TextWrapping="Wrap" />
        </Border>

        <!--  Column Grid Splitter  -->
        <controls:GridSplitter
            Grid.Column="1"
            Width="16"
            ResizeBehavior="PreviousAndNext"
            ResizeDirection="Auto" />

        <!--  Row Grid Splitter  -->
        <controls:GridSplitter
            Grid.Column="3"
            Width="16"
            ResizeBehavior="PreviousAndNext"
            ResizeDirection="Auto" />
    </Grid>