EgtDOORCreator/MainWindow/MainWindowV.xaml

<EgtWPFLib5:EgtCustomWindow x:Class="MainWindowV"
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   xmlns:EgtDOORCreator="clr-namespace:EgtDOORCreator"
   xmlns:EgtWPFLib5="clr-namespace:EgtWPFLib5;assembly=EgtWPFLib5"
   DataContext="{StaticResource MainWindowVM}"
   Title="{Binding ProjectNameMsg}" Icon="/Resources/EgtDOOR.ico"
   Style="{DynamicResource {x:Type EgtWPFLib5:EgtCustomWindow}}"
   MinHeight="600" MinWidth="800"
   AboutBoxCommand="{Binding AboutBoxCommand}" WindowStyle="None" ResizeMode="NoResize"
   CloseCommand="{Binding CloseApplicationCommand,Mode=OneWay,UpdateSourceTrigger=PropertyChanged}">
   <EgtWPFLib5:EgtCustomWindow.InputBindings>
      <KeyBinding Key="Enter" Command="{Binding DataContext.RefreshCmd,RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}"/>
      <KeyBinding Key="F1" Command="{Binding OptionGuideCmd}"/>
   </EgtWPFLib5:EgtCustomWindow.InputBindings>
   <EgtWPFLib5:EgtCustomWindow.TitlePanel>
      <!--<EgtDOORCreator:ProjectManagerHardwareV DataContext="{StaticResource ProjectManagerHardwareVM}"/>-->
      <UniformGrid Rows="1">
         <ContentControl Content="{Binding ProjectManagerControl}"/>
      </UniformGrid>
   </EgtWPFLib5:EgtCustomWindow.TitlePanel>
   
   <Grid>
      <Grid.ColumnDefinitions>
         <!--<ColumnDefinition Width="1*"/>-->
         <ColumnDefinition Width="{Binding WidthColumn1}"/>
         <ColumnDefinition Width="{Binding WidthColumn2}"/>
      </Grid.ColumnDefinitions>
      <Grid.RowDefinitions>
         <RowDefinition Height="Auto" />
         <RowDefinition Height="1*"/>
      </Grid.RowDefinitions>

      <!--<EgtDOORCreator:AssemblyManagerV Grid.Column="0" DataContext="{StaticResource AssemblyManagerVM}"/>-->
      <ContentControl Grid.Column="{Binding AssemblyManagerDisposition}" Grid.Row="0" Content="{Binding AssemblyManagerControl}"/>
      <ContentControl Grid.Column="{Binding PageControlDisposition}" Grid.Row="1" Content="{Binding PageControl}"/>
      <!--<EgtDOORCreator:SceneManagerV Grid.Column="{Binding SceneManagerDiposition}" Grid.RowSpan="2" DataContext="{StaticResource SceneManagerVM}"/>-->
      <!--<EgtDOORCreator:SceneManagerV Grid.Column="0" Grid.RowSpan="2" DataContext="{StaticResource SceneManagerVM}"/>-->
      <ContentControl Grid.Column="{Binding SceneManagerDiposition}" Grid.RowSpan="2" Content="{Binding SceneManagerControl}"/>
   </Grid>
   
</EgtWPFLib5:EgtCustomWindow>