OmagPHOTO/OptionWindow/OptionWindowV.xaml

<EgtWPFLib5:EgtCustomWindow x:Class="OptionWindowV"
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   xmlns:EgtWPFLib5="clr-namespace:EgtWPFLib5;assembly=EgtWPFLib5"
   IsMinimizable="False"
   ShowInTaskbar="False"
   Style="{DynamicResource {x:Type EgtWPFLib5:EgtCustomWindow}}"
   SizeToContent="WidthAndHeight"
   WindowStartupLocation="CenterOwner">

   <Grid Margin="5,0,0,0">
      <Grid.ColumnDefinitions>
         <ColumnDefinition Width="250"/>
         <ColumnDefinition Width="Auto"/>
      </Grid.ColumnDefinitions>
      <Grid.RowDefinitions>
         <RowDefinition Height="Auto"/>
         <RowDefinition Height="Auto"/>
         <RowDefinition Height="Auto"/>
      </Grid.RowDefinitions>
      
      <GroupBox Header="{Binding CurrentLanguageMsg}"
                Grid.Column="0" Margin="0,0,5,5">
         <UniformGrid Rows="2">
            <ComboBox ItemsSource="{Binding LanguageList, Mode=OneWay}" Height="25"
                      SelectedItem="{Binding SelLanguage}" DisplayMemberPath="Name"/>
            <TextBlock Text="{Binding LanguageAdvertMsg}" TextWrapping="Wrap"
                       TextAlignment="Center"/>
         </UniformGrid>
      </GroupBox>

      <GroupBox Header="{Binding MeasureUnitMsg}"
                Grid.Column="1" Margin="0,0,5,5">
         <ComboBox ItemsSource="{Binding MeasureUnitList, Mode=OneWay}"
                   SelectedIndex="{Binding SelMeasureUnit}"
                   Height="25" Width="60"/>
      </GroupBox>

      <GroupBox Header="{Binding MaterialsMsg}" Grid.Column="0"
                Grid.Row="2" Grid.RowSpan="5">

         <DockPanel>

            <UniformGrid Grid.Row="2" Columns="2"
                         DockPanel.Dock="Bottom">
               <Button Content="{Binding NewMatMsg}" Grid.Column="1"
                       Command="{Binding NewMatCommand}"
                       Style="{StaticResource OptionPanel_TextButton}"
                       Margin="0,0,2.5,0"/>
               <Button Content="{Binding RemoveMatMsg}" Grid.Column="1"
                       Command="{Binding RemoveMatCommand}"
                       Style="{StaticResource OptionPanel_TextButton}"
                       Margin="2.5,0,0,0"/>
            </UniformGrid>

            <EgtWPFLib5:EgtTextBox Text="{Binding NewMatName}"
                                   DockPanel.Dock="Bottom" Width="240"
                                   Visibility="{Binding NewMatName_Visibility}"
                                   Margin="0,0,0,5"/>

            <ListBox ItemsSource="{Binding MaterialList}"
                     SelectedItem="{Binding SelMaterial}"
                     Grid.RowSpan="2"
                     Margin="0,0,0,5"
                     Height="150"/>

         </DockPanel>

      </GroupBox>

   </Grid>

</EgtWPFLib5:EgtCustomWindow>