#578 – Grid Row and Column Size Use GridLength Object

When you create a Grid in XAML, you typically specify the rows and columns at design-time, along with the height of each row and width of each column.  Recall that there are three ways to set the height of a row or width of a column–explicit size, automatic or evenly distributed using remaining space in the Grid.

    <Grid ShowGridLines="True">
        <Grid.RowDefinitions>
            <RowDefinition Height="50"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="140"/>
            <ColumnDefinition Width="*"/>
            <ColumnDefinition Width="Auto"/>
        </Grid.ColumnDefinitions>

Within the RowDefinition and ColumnDefinition objects, the row height and column width are stored within a GridLength object.  GridLength has the three boolean properties IsAbsolute, IsAuto and IsStar indicating how the height or width is specified and then a Value property that contains the actual value.

 

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