PleasantRustleDll/PleasantRustle/Windows/Update.xaml

<Window x:Class="PleasantRustle.Windows.Update"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:PleasantRustle.Windows"
        mc:Ignorable="d"
        Title="Редактирование агента" MinWidth="300" MinHeight="680">
    <Grid>
        <StackPanel>
            <GroupBox Header="Наименование агента" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <TextBox/>
            </GroupBox>
            <GroupBox Header="Тип агента" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <ComboBox/>
            </GroupBox>
            <GroupBox Header="Юридический адресс" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <TextBox/>
            </GroupBox>
            <GroupBox Header="ИНН" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <TextBox/>
            </GroupBox>
            <GroupBox Header="КПП" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <TextBox/>
            </GroupBox>
            <GroupBox Header="Директор" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <TextBox/>
            </GroupBox>
            <GroupBox Header="Телефон агента" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <TextBox/>
            </GroupBox>
            <GroupBox Header="Электронная почта агента" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <TextBox/>
            </GroupBox>
            <GroupBox Header="Логотип агента" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <Button Content="Загрузить логотип агента" Background="#FF46B29D" BorderBrush="{x:Null}" Foreground="White" FontFamily="Monotype Corsiva" FontSize="18"/>
            </GroupBox>
            <GroupBox Header="Приоритет" BorderBrush="#FF46B29D" FontFamily="Monotype Corsiva" FontSize="18">
                <TextBox/>
            </GroupBox>
            <StackPanel>
                <Button Content="Редактировать" Background="#FF46B29D" BorderBrush="{x:Null}" Foreground="White" FontFamily="Monotype Corsiva" FontSize="18" Margin="50,20"/>
                <Button Content="Назад" Background="#FF46B29D" BorderBrush="{x:Null}" Foreground="White" FontFamily="Monotype Corsiva" FontSize="18" Margin="50,0" Click="Button_Click"/>
            </StackPanel>
        </StackPanel>
    </Grid>
</Window>