<MenuItem x:Name="menuView" Header="_View">
<MenuItem x:Name="menuHightlightRBC" Header="_Highlight healthy erytrocytes" IsCheckable="True" />
</MenuItem>
+ <MenuItem x:Name="menuHelp" Header="_Help">
+ <MenuItem x:Name="menuAbout" Header="_About" />
+ </MenuItem>
</Menu>
<Grid x:Name="gridMain">
<Grid.RowDefinitions>