MainWindow.xaml

<Window x:Class="RawViewer.MainWindow"
        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:RawViewer"
        mc:Ignorable="d"
        Title="Raw image viewer" Height="450" Width="800" AllowDrop="True" Drop="ZoomBorder_Drop" Closing="Window_Closing" Icon="Resources\main.png">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>

        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="200" />
        </Grid.ColumnDefinitions>

        <local:ZoomBorder ClipToBounds="True">
            <Image Name="_image" Source="Resources\drag.png"/>
        </local:ZoomBorder>

        <StackPanel Grid.Column="1" Margin="5">
            <StackPanel Orientation="Horizontal">
                <Label Content="Яркость:" VerticalAlignment="Center"/>
                <TextBlock Text="{Binding Path=Value, ElementName=_sliderBrightness}" Margin="10" />
            </StackPanel>
            <Slider Name="_sliderBrightness" Maximum="100" Minimum="-100" TickFrequency="1" LargeChange="25" Value="0" IsSnapToTickEnabled="True" Thumb.DragCompleted="OnSlider_ValueChanged"/>
            <StackPanel Orientation="Horizontal">
                <Label Content="Контраст:" VerticalAlignment="Center"/>
                <TextBlock Text="{Binding Path=Value, ElementName=_sliderContrast}" Margin="10" />
            </StackPanel>
            <Slider Name="_sliderContrast" Maximum="100" Minimum="-100" TickFrequency="1" LargeChange="25" Value="0" IsSnapToTickEnabled="True" Thumb.DragCompleted="OnSlider_ValueChanged"/>
            <StackPanel Orientation="Horizontal">
                <Label Content="Гамма:" VerticalAlignment="Center"/>
                <TextBlock Text="{Binding Path=Value, ElementName=_sliderGamma}" Margin="10" />
            </StackPanel>
            <Slider Name="_sliderGamma" Maximum="7.9" Minimum="0.1" TickFrequency="0.05" LargeChange="1.0" Value="1.0" IsSnapToTickEnabled="True" Thumb.DragCompleted="OnSlider_ValueChanged"/>
            
            <StackPanel Orientation="Vertical">
                <Label x:Name="label" Content="Тип изображения"/>
                <ComboBox x:Name="comboBoxType" SelectedIndex="1" SelectionChanged="ImageType_SelectionChanged">
                    <ComboBoxItem Content="8bit"/>
                    <ComboBoxItem Content="10bit"/>
                    <ComboBoxItem Content="12bit"/>
                    <ComboBoxItem Content="14bit"/>
                    <ComboBoxItem Content="16bit"/>
                    <ComboBoxItem Content="32bit"/>
                </ComboBox>
            </StackPanel>
        </StackPanel>

        <Button Grid.Column="1" Content="Browse Image..." Click="Button_Click" VerticalAlignment="Bottom" HorizontalAlignment="Right" Margin="5" Width="100" />
    </Grid>
</Window>