[WPF]레이아웃컨트롤(xaml)

<Window x:Class="WpfApp1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp1"
        mc:Ignorable="d"
        Title="MainWindow" Height="600" Width="1000">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="150"/>
            <RowDefinition Height="150"/>
            <RowDefinition Height="150"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="150"/>
            <ColumnDefinition Width="150"/>
            <ColumnDefinition Width="150"/>
        </Grid.ColumnDefinitions>
        <Rectangle Fill="Red" Grid.Row="0" Grid.Column="0"/>
        <Rectangle Fill="Blue" Grid.Row="0" Grid.Column="1"/>
        <Rectangle Fill="Cyan" Grid.Row="0" Grid.Column="2"/>
        <Rectangle Fill="Green" Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2"/>
        <Rectangle Fill="Yellow" Grid.Row="1" Grid.Column="2" Grid.RowSpan="2"/>
        <Rectangle Fill="Magenta" Grid.Row="2" Grid.Column="0"/>
        <Rectangle Fill="Bisque" Grid.Row="2" Grid.Column="1"/>
    </Grid>
</Window>