<Window x:Class="Commands.SimpleDocument"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="SimpleDocument" Height="300" Width="300"    
    >
    <Grid>
      <Grid.RowDefinitions>
        <RowDefinition Height="Auto"></RowDefinition>
        <RowDefinition Height="Auto"></RowDefinition>
        <RowDefinition></RowDefinition>
      </Grid.RowDefinitions>
      <Menu Grid.Row="0">
        <MenuItem Header="File">
          <MenuItem Command="New"></MenuItem>
          <MenuItem Command="Open"></MenuItem>
          <MenuItem Command="Save"></MenuItem>
          <MenuItem Command="SaveAs"></MenuItem>
          <Separator></Separator>
          <MenuItem Command="Close"></MenuItem>
        </MenuItem>
      </Menu>

      <ToolBarTray Grid.Row="1">
        <ToolBar>
        <Button Command="New">New</Button>
          <Button Command="Open">Open</Button>
          <Button Command="Save">Save</Button>        
      </ToolBar>
        <ToolBar>
          <Button Command="Cut">Cut</Button>
          <Button Command="Copy">Copy</Button>
          <Button Command="Paste">Paste</Button>
          
        </ToolBar>
      </ToolBarTray>
      <TextBox Name="txt" Margin="5" Grid.Row="2" 
               TextWrapping="Wrap" AcceptsReturn="True"
               TextChanged="txt_TextChanged"></TextBox>
    </Grid>
</Window>
