!!!WPF レイアウト サンプル
[WPF][WPF レイアウト]

!!Explorer風
{{ref_image wpf_layout01.jpg}}
*GridSplitterでサイズ変更可(行、列)
*ShowGridLines="True" でグリッドレイアウトの分割を可視化
 <DockPanel>
     <Button Content="Menu" DockPanel.Dock="Top"/>
     <Button Content="Status" DockPanel.Dock="Bottom"/>
     <Grid ShowGridLines="True">
         <Grid.ColumnDefinitions>
             <ColumnDefinition MinWidth="100" Width="1*"/>
             <ColumnDefinition Width="Auto"/>
             <ColumnDefinition MinWidth="100" Width="2*"/>
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
             <RowDefinition MinHeight="100" Height="1*"/>
             <RowDefinition Height="Auto"/>
             <RowDefinition MinHeight="100" Height="1*"/>
         </Grid.RowDefinitions>
         <Button Grid.Column="0" Grid.Row="0"  Content="Left Top"/>
         <GridSplitter Grid.Column="0" Grid.Row="1" Height="5" VerticalAlignment="Center" HorizontalAlignment="Stretch" />
         <Button Grid.Column="0" Grid.Row="2"  Content="Left Bottom"/>
         <GridSplitter Grid.Column="1" Width="5" Grid.RowSpan="3" VerticalAlignment="Stretch" HorizontalAlignment="Center"/>
         <Button Grid.Column="2" Grid.Row="0" Grid.RowSpan="3"  Content="Content"/>
     </Grid>
 </DockPanel>
!!ツリービューを配置
{{ref_image wpf_layout02.jpg}}
*TreeView を配置し、スプリットバー移動や、ツリーの展開で動的にスクロールバーが表示されるようにする
 <DockPanel>
     <Button Content="Menu" DockPanel.Dock="Top"/>
     <Button Content="Status" DockPanel.Dock="Bottom"/>
     <Grid ShowGridLines="True">
         <Grid.ColumnDefinitions>
             <ColumnDefinition MinWidth="100" Width="1*"/>
             <ColumnDefinition Width="Auto"/>
             <ColumnDefinition MinWidth="100" Width="2*"/>
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
             <RowDefinition MinHeight="100" Height="1*"/>
             <RowDefinition Height="Auto"/>
             <RowDefinition MinHeight="100" Height="1*"/>
         </Grid.RowDefinitions>
         <TreeView Grid.Column="0" ItemsSource="{Binding TreeItems}">
             <TreeView.ItemTemplate>
                 <HierarchicalDataTemplate DataType="{x:Type local:TreeEntity}" ItemsSource="{Binding Children}">
                     <TextBlock Text="{Binding Name}" />
                 </HierarchicalDataTemplate>
             </TreeView.ItemTemplate>
         </TreeView>
         <GridSplitter Grid.Column="0" Grid.Row="1" Height="5" VerticalAlignment="Center" HorizontalAlignment="Stretch" />
         <Button Grid.Column="0" Grid.Row="2"  Content="Left Bottom"/>
         <GridSplitter Grid.Column="1" Width="5" Grid.RowSpan="3" VerticalAlignment="Stretch" HorizontalAlignment="Center"/>
         <Button Grid.Column="2" Grid.Row="0" Grid.RowSpan="3"  Content="{Binding Name}"/>
     </Grid>
 </DockPanel>

!!!ツリービューに対するコントロールボックスを追加
{{ref_image wpf_layout03.jpg}}
*DocPanel により、ラベルとボタンをそれぞれ、左、右寄せ
*コンテンツとしてテキストを可変サイズにする
 <DockPanel>
     <Button Content="Menu" DockPanel.Dock="Top"/>
     <Button Content="Status" DockPanel.Dock="Bottom"/>
     <Grid ShowGridLines="False">
         <Grid.ColumnDefinitions>
             <ColumnDefinition MinWidth="100" Width="1*"/>
             <ColumnDefinition Width="Auto"/>
             <ColumnDefinition MinWidth="100" Width="2*"/>
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
             <RowDefinition MinHeight="100" Height="1*"/>
             <RowDefinition Height="Auto"/>
             <RowDefinition MinHeight="100" Height="1*"/>
         </Grid.RowDefinitions>
         <Grid Grid.Column="0" Grid.Row="0" ShowGridLines="False">
             <Grid.RowDefinitions>
                 <RowDefinition Height="Auto"/>
                 <RowDefinition Height="*"/>
             </Grid.RowDefinitions>
             <DockPanel Grid.Row="0">
                 <TextBlock Text="Search" Width="Auto" DockPanel.Dock="Left"/>
                 <Button Content="Control" Width="Auto" DockPanel.Dock="Right"/>
                 <TextBox />
             </DockPanel>
             <TreeView Grid.Row="1" ItemsSource="{Binding TreeItems}">
                 <TreeView.ItemTemplate>
                     <HierarchicalDataTemplate DataType="{x:Type local:TreeEntity}" ItemsSource="{Binding Children}">
                         <TextBlock Text="{Binding Name}" />
                     </HierarchicalDataTemplate>
                 </TreeView.ItemTemplate>
             </TreeView>
         </Grid>
         <GridSplitter Grid.Column="0" Grid.Row="1" Height="5" VerticalAlignment="Center" HorizontalAlignment="Stretch" />
         <Grid Grid.Column="0" Grid.Row="2" ShowGridLines="False">
             <Grid.RowDefinitions>
                 <RowDefinition Height="Auto"/>
                 <RowDefinition Height="*"/>
             </Grid.RowDefinitions>
             <DockPanel Grid.Row="0">
                 <TextBlock Text="Search" Width="Auto" DockPanel.Dock="Left"/>
                 <Button Content="Control" Width="Auto" DockPanel.Dock="Right"/>
                 <TextBox />
             </DockPanel>
             <TreeView Grid.Row="1" ItemsSource="{Binding TreeItems}">
                 <TreeView.ItemTemplate>
                     <HierarchicalDataTemplate DataType="{x:Type local:TreeEntity}" ItemsSource="{Binding Children}">
                         <TextBlock Text="{Binding Name}" />
                     </HierarchicalDataTemplate>
                 </TreeView.ItemTemplate>
             </TreeView>
         </Grid>
         <GridSplitter Grid.Column="1" Width="5" Grid.RowSpan="3" VerticalAlignment="Stretch" HorizontalAlignment="Center"/>
         <Button Grid.Column="2" Grid.Row="0" Grid.RowSpan="3"  Content="{Binding Name}"/>
     </Grid>
 </DockPanel>

!!メニューとステータスバー追加
{{ref_image wpf_layout04.jpg}}
 <DockPanel>
     <Menu DockPanel.Dock="Top" Height="Auto">
         <MenuItem Header="ファイル(_F)" />
         <MenuItem Header="編集(_E)" />
         <MenuItem Header="オプション(_O)">
             <MenuItem IsCheckable="True" Header="オプション1" />
             <MenuItem IsCheckable="True" Header="オプション2" />
             <MenuItem IsCheckable="True" Header="オプション3" />
         </MenuItem>
     </Menu>
     <StatusBar DockPanel.Dock="Bottom">
         <StatusBarItem Width="60" DockPanel.Dock="Right">Panel2</StatusBarItem>
         <Separator DockPanel.Dock="Right" />
         <StatusBarItem Width="60" DockPanel.Dock="Right">Panel3</StatusBarItem>
         <Separator DockPanel.Dock="Right" />
         <StatusBarItem>Panel1</StatusBarItem>
     </StatusBar>
     <Grid ShowGridLines="False">
         <Grid.ColumnDefinitions>
             <ColumnDefinition MinWidth="100" Width="1*"/>
             <ColumnDefinition Width="Auto"/>
             <ColumnDefinition MinWidth="100" Width="2*"/>
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
             <RowDefinition MinHeight="100" Height="1*"/>
             <RowDefinition Height="Auto"/>
             <RowDefinition MinHeight="100" Height="1*"/>
         </Grid.RowDefinitions>
         <Grid Grid.Column="0" Grid.Row="0" ShowGridLines="False">
             <Grid.RowDefinitions>
                 <RowDefinition Height="Auto"/>
                 <RowDefinition Height="*"/>
             </Grid.RowDefinitions>
             <DockPanel Grid.Row="0">
                 <TextBlock Text="Search" Width="Auto" DockPanel.Dock="Left"/>
                 <Button Content="Control" Width="Auto" DockPanel.Dock="Right"/>
                 <TextBox />
             </DockPanel>
             <TreeView Grid.Row="1" ItemsSource="{Binding TreeItems}">
                 <TreeView.ItemTemplate>
                     <HierarchicalDataTemplate DataType="{x:Type local:TreeEntity}" ItemsSource="{Binding Children}">
                         <TextBlock Text="{Binding Name}" />
                     </HierarchicalDataTemplate>
                 </TreeView.ItemTemplate>
             </TreeView>
         </Grid>
         <GridSplitter Grid.Column="0" Grid.Row="1" Height="5" VerticalAlignment="Center" HorizontalAlignment="Stretch" />
         <Grid Grid.Column="0" Grid.Row="2" ShowGridLines="False">
             <Grid.RowDefinitions>
                 <RowDefinition Height="Auto"/>
                 <RowDefinition Height="*"/>
             </Grid.RowDefinitions>
             <DockPanel Grid.Row="0">
                 <TextBlock Text="Search" Width="Auto" DockPanel.Dock="Left"/>
                 <Button Content="Control" Width="Auto" DockPanel.Dock="Right"/>
                 <TextBox />
             </DockPanel>
             <TreeView Grid.Row="1" ItemsSource="{Binding TreeItems}">
                 <TreeView.ItemTemplate>
                     <HierarchicalDataTemplate DataType="{x:Type local:TreeEntity}" ItemsSource="{Binding Children}">
                         <TextBlock Text="{Binding Name}" />
                     </HierarchicalDataTemplate>
                 </TreeView.ItemTemplate>
             </TreeView>
         </Grid>
         <GridSplitter Grid.Column="1" Width="5" Grid.RowSpan="3" VerticalAlignment="Stretch" HorizontalAlignment="Center"/>
         <Button Grid.Column="2" Grid.Row="0" Grid.RowSpan="3"  Content="{Binding Name}"/>
     </Grid>
 </DockPanel>