<Grid.ColumnDefinitions>
                                        <ColumnDefinition Width="1*">
                                            <ColumnDefinition.ContextMenu>
                                            <ContextMenu Background="{StaticResource VerticalLinGradBrush}">
                                                <MenuItem Name="MenuItem" Header="Изменить..." Click="MenuItem_Click">
                                                    <MenuItem.Icon>
                                                        <Image Height="24" Width="24" Source="/MyApplication;component/Images/change.png" />
                                                    </MenuItem.Icon>
                                                </MenuItem>
                                            </ContextMenu>
                                            </ColumnDefinition.ContextMenu>
                                        </ColumnDefinition>
                                        <ColumnDefinition Width="Auto" />
                                        <ColumnDefinition Width="1*" />
                                        <ColumnDefinition Width="Auto" />
                                        <ColumnDefinition Width="1*" />
                                    </Grid.ColumnDefinitions>