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="5,0,5,0">
      <Grid.ColumnDefinitions>
         <ColumnDefinition Width="250"/>
         <ColumnDefinition Width="Auto"/>
      </Grid.ColumnDefinitions>
      <Grid.RowDefinitions>
         <RowDefinition Height="Auto"/>
         <RowDefinition Height="Auto"/>
         <RowDefinition Height="Auto"/>
         <RowDefinition Height="Auto"/>
         <RowDefinition Height="Auto"/>
      </Grid.RowDefinitions>
      
      <GroupBox Header="{Binding CurrentLanguageMsg}"
                Grid.Column="0" Margin="0,0,2.5,0">
         <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="2.5,0,0,0">
         <ComboBox ItemsSource="{Binding MeasureUnitList, Mode=OneWay}"
                   SelectedIndex="{Binding SelMeasureUnit}"
                   Height="25" Width="60"/>
      </GroupBox>

      <GroupBox Header="{Binding SearchMsg}"
                Grid.Row="1" Grid.ColumnSpan="2"
                Margin="0,0,0,0">
         <UniformGrid Columns="2">
            <TextBlock Text="{Binding ThicknessToleranceMsg}"/>
            <EgtWPFLib5:EgtTextBox Text="{Binding ThicknessTolerance}"
                                   Margin="13,0,0,0"
                                   TextAlignment="Right"/>
         </UniformGrid>
      </GroupBox>

      <GroupBox Header="{Binding LabelMsg}"
              Grid.Row="2" Grid.ColumnSpan="2"
              Visibility="{Binding LabelVisibility}"
              Margin="0,0,0,0">
         <Grid>
             <Grid.ColumnDefinitions>
                 <ColumnDefinition Width="3*"/>
                 <ColumnDefinition Width="1*"/>
             </Grid.ColumnDefinitions>
             <TextBlock Text="{Binding LabelFileName}"/>
             <Button Content="{Binding BrowseMsg}" Grid.Column="1"
                  Command="{Binding BrowseCommand}"
                  Style="{StaticResource OptionPanel_TextButton}"
                  Margin="2.5,0,0,0"/>
         </Grid>
      </GroupBox>

        <GroupBox Header="{Binding MaterialsMsg}" Grid.Column="0"
                Grid.Row="3" Grid.ColumnSpan="2" Margin="0,0,0,5">

         <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>

                <Grid DockPanel.Dock="Bottom" Visibility="{Binding NewMatName_Visibility}">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="4*"/>
                        <ColumnDefinition Width="1*"/>
                        <ColumnDefinition Width="1*"/>
                    </Grid.ColumnDefinitions>
                    <EgtWPFLib5:EgtTextBox Text="{Binding NewMatName}"
                                DockPanel.Dock="Bottom"          
                                Margin="0,0,0,5"/>
                    <Button Content="{Binding OkMsg}" Grid.Column="1"
                            Command="{Binding OkCommand}"
                            IsEnabled="{Binding EnableOkNewMat}"
                            Style="{StaticResource OptionPanel_TextButton}"
                            Margin="2.5,0,0,2.5"/>
                    <Button Content="{Binding CancelMsg}" Grid.Column="2"
                            Command="{Binding CamcelCommand}"
                            Style="{StaticResource OptionPanel_TextButton}"
                            Margin="2.5,0,0,2.5"/>
                </Grid>
                
             <!--<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>