please find the below sample code for your reference.

<Grid Style="{StaticResource gridGrd}" Name="layoutRoot">
                <igWindows:XamTabControl Name="xamTabLookUpType" igWindows:TabItemEx.Closed="tcLookUpType_Closed"
                    TabItemCloseButtonVisibility="Visible" AllowMinimize="True" ShowTabHeaderCloseButton="True"
                    TabLayoutStyle="MultiRowAutoSize">
                    <igWindows:XamTabControl.Resources>
                        <Style TargetType="{x:Type igWindows:TabItemEx}">
                            <Style.Resources>
                                <DataTemplate DataType="{x:Type sys:String}">
                                    <TextBlock VerticalAlignment="Center" Text="{Binding}"/>
                                </DataTemplate>
                            </Style.Resources>
                            <Setter Property="HeaderTemplate">
                                <Setter.Value>
                                    <DataTemplate DataType="{x:Type igWindows:TabItemEx}">
                                        <Grid Margin="2">
                                            <Grid.ColumnDefinitions>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="*"/>
                                            </Grid.ColumnDefinitions>
                                            <Border BorderThickness="1" CornerRadius="3"
                                                    BorderBrush="Purple"

Margin="1">
                                                <Image
                                                    Margin="2" Width="10"

Height="10"
                                                    Source="{Binding Mode=TwoWay, Path=Tag,
                                                    RelativeSource={RelativeSource AncestorType={x:Type

igWindows:TabItemEx}}}"/>
                                            </Border>
                                            <ContentControl Content="{TemplateBinding Content}"
                                                Grid.Column="1" Margin="6,0,0,0"/>
                                        </Grid>
                                    </DataTemplate>
                                </Setter.Value>
                            </Setter>
                        </Style>
                    </igWindows:XamTabControl.Resources>
                    <igWindows:TabItemEx Header="Look Up Types" AllowClosing="False"
                            HorizontalAlignment="Left" >
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition></RowDefinition>
                                <RowDefinition Height="10"></RowDefinition>
                                <RowDefinition></RowDefinition>
                                <RowDefinition></RowDefinition>
                            </Grid.RowDefinitions>
                            <Grid Height="Auto" VerticalAlignment="Top">
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition />
                                    <ColumnDefinition />
                                    <ColumnDefinition />
                                    <ColumnDefinition />
                                    <ColumnDefinition />
                                </Grid.ColumnDefinitions>
                                <Grid.RowDefinitions>
                                    <RowDefinition Height="10"></RowDefinition>
                                    <RowDefinition></RowDefinition>
                                    <RowDefinition></RowDefinition>
                                    <RowDefinition Height="10"></RowDefinition>
                                </Grid.RowDefinitions>

                                <Label Name="lblLookUpTypeName" Grid.Row="1" Grid.Column="0"
                                    VerticalAlignment="Center" HorizontalAlignment="Right" TabIndex="1"
                                    Style="{StaticResource labellDefault}">Look Up Type Name:</Label>
                                <TextBox Name="txtLookUpTypeName" Grid.Row="1" Grid.Column="1"
                                    VerticalAlignment="Center" HorizontalAlignment="Left" Width="180"
                                    TabIndex="2" MaxLength="10" ToolTip="Enter Look Up Type Name to Search"
                                    Style="{StaticResource txtBoxDefault}" ></TextBox>
                                <Label Name="lblLookUpTypeDesc" Grid.Row="1" Grid.Column="2"
                                    VerticalAlignment="Center" HorizontalAlignment="Right"
                                    TabIndex="3">Look Up Type Description:</Label>
                                <TextBox Name="txtLookUpTypeDesc" Grid.Row="1" Grid.Column="3"
                                    VerticalAlignment="Center" HorizontalAlignment="Left" Width="180"
                                    TabIndex="4" MaxLength="10" ToolTip="Enter Look Up Type Description to Search"
                                    Style="{StaticResource txtBoxDefault}" ></TextBox>
                                <Button Name="btnSearchLookUptype" Grid.Row="1" Grid.Column="4" Grid.ColumnSpan="1"
                                    VerticalAlignment="Center" HorizontalAlignment="Center" Width="80"
                                    TabIndex="5" ToolTip="Search Look Up Types"
                                    Style="{StaticResource buttonDefault}"
                                    Click="btnSearchLookUptype_Click">S_earch</Button>
                            </Grid>
                        </Grid>
                    </igWindows:TabItemEx>
                </igWindows:XamTabControl>
    </Grid>

Thanks

Varun