---

Оопрлоррлгн  <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="60"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <StackPanel Orientation="Horizontal"
                    Background="LightGray"
                    VerticalAlignment="Center">
            <Button Content="Пользователи"
                    Width="150"
                    Height="35"
                    Margin="10"
                    Click="UsersBtn_Click"/>

            <Button Content="Клиенты"
                    Width="150"
                    Height="35"
                    Margin="10"
                    Click="ProductsBtn_Click"/>

            <Button Content="Пункты"
                    Width="150"
                    Height="35"
                    Margin="10"
                    Click="ThirdBtn_Click"/>
        </StackPanel>