Bind to Window itself

   
   

<Window xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="SizingPrecedenceSampleCSharp.SizingWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    Title="Sizing Window" Name="window">
  <StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>WindowState:</Label>
      <Label Content="{Binding ElementName=window,Path=WindowState}"/>
    </StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>MinWidth:</Label>
      <Label Content="{Binding ElementName=window,Path=MinWidth}"/>
    </StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>MinHeight:</Label>
      <Label Content="{Binding ElementName=window,Path=MinHeight}"/>
    </StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>SizeToContent:</Label>
      <Label Content="{Binding ElementName=window,Path=SizeToContent}"/>
    </StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>MaxWidth:</Label>
      <Label Content="{Binding ElementName=window,Path=MaxWidth}"/>
    </StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>MaxHeight:</Label>
      <Label Content="{Binding ElementName=window,Path=MaxHeight}"/>
    </StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>Width:</Label>
      <Label Content="{Binding ElementName=window,Path=Width}"/>
    </StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>Height:</Label>
      <Label Content="{Binding ElementName=window,Path=Height}"/>
    </StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>Actual Width:</Label>
      <Label Content="{Binding ElementName=window,Path=ActualWidth}"/>
    </StackPanel>
    <StackPanel Orientation="Horizontal">
      <Label>Actual Height:</Label>
      <Label Content="{Binding ElementName=window,Path=ActualHeight}"/>
    </StackPanel>
  </StackPanel>
</Window>