WPF interface layout must know basis

WPF Basic knowledge of interface layout

<Window x:Class="WpfApp1728.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:WpfApp1728"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">

    <!--<DockPanel>
        <Button Content="top Button" DockPanel.Dock="Top" Height="135" Width="370" ></Button>
    </DockPanel>-->
    <Grid ShowGridLines="True">
        <Grid.RowDefinitions>
            <!-- Line definition  3 That's ok 4 Definition of columns  -->
            <RowDefinition/>
            <RowDefinition/>
            <RowDefinition/>
            
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <!-- Column definition -->
            <ColumnDefinition/>
            <ColumnDefinition/>
            <ColumnDefinition/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Button Content="Left Top Button" />
       <!--1  Designated line  Grid.Row="2" 2  Specified column  Grid.Column="3"  Position of control button . Make good use of additional attributes , That's enough .-->
        <Button Content="Right Bottom Top Button" Grid.Row="2" Grid.Column="3" />
    </Grid>
</Window>

<Window x:Class="WpfApp1728.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:WpfApp1728"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">

    <!--<DockPanel>
        <Button Content="top Button" DockPanel.Dock="Top" Height="135" Width="370" ></Button>
    </DockPanel>-->
    <Grid ShowGridLines="True">
        <Grid.RowDefinitions>
            <!-- Line definition  3 That's ok 4 Definition of columns  -->
            <RowDefinition/>
            <RowDefinition/>
            <RowDefinition/>
            
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <!-- Column definition -->
            <ColumnDefinition/>
            <ColumnDefinition/>
            <ColumnDefinition/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Button Content="Left Top Button" />
       <!--1  Designated line  Grid.Row="2" 2  Specified column  Grid.Column="3"  Position of control button . Make good use of additional attributes , That's enough .-->
        <Button Content="Right Bottom Top Button" Grid.Row="2" Grid.Column="3" />
        <!-- Cross column design properties  Grid.ColumnSpan--> 
        <Button Content="ColumnSpan Button" Grid.Row="1" Grid.Column="2" Grid.ColumnSpan="2" />
        <!-- Cross line properties  Grid.RowSpan-->
        <Button Content="RowSpan Button" Grid.Row="0" Grid.Column="1" Grid.RowSpan="3"/>
        
    </Grid>
</Window>

effect

  

  Minimum width setting , The minimum compression setting is also called .

  <Button Content="Left Top Button" MinWidth="80" />

Minimum width  

<!-- Column definition -->
            <ColumnDefinition MinWidth="100" Width="*"/>

effect

  The adaptive （ To the same height as the text ） auto Code and effect

   <!-- Line definition 3 That's ok 4 Definition of columns -->
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>

   

  Inside and outside the margin

 <Button Content="Right Bottom Top Button" Grid.Row="2" Margin="10,10,10,10" Grid.Column="3" />

Outer margin effect