Index: Core/Common/src/Core.Common.Controls/Core.Common.Controls.csproj
===================================================================
diff -u -r08e8d26a0715f0f3db57c1d3e86256aa06934db4 -r2f8eceba36e55965b2d861414826454261bcbec0
--- Core/Common/src/Core.Common.Controls/Core.Common.Controls.csproj	(.../Core.Common.Controls.csproj)	(revision 08e8d26a0715f0f3db57c1d3e86256aa06934db4)
+++ Core/Common/src/Core.Common.Controls/Core.Common.Controls.csproj	(.../Core.Common.Controls.csproj)	(revision 2f8eceba36e55965b2d861414826454261bcbec0)
@@ -1,10 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <Import Project="$(SolutionDir)build\Source.targets" />
   <ItemGroup>
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Core.Common.Base\Core.Common.Base.csproj" />
Index: Core/Common/src/Core.Common.Controls/OneWayToggleButton.cs
===================================================================
diff -u
--- Core/Common/src/Core.Common.Controls/OneWayToggleButton.cs	(revision 0)
+++ Core/Common/src/Core.Common.Controls/OneWayToggleButton.cs	(revision 2f8eceba36e55965b2d861414826454261bcbec0)
@@ -0,0 +1,42 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System.Windows;
+using System.Windows.Controls.Primitives;
+
+namespace Core.Common.Controls
+{
+    /// <summary>
+    /// Custom <see cref="ToggleButton"/> that can be used for one-way binding.
+    /// </summary>
+    public class OneWayToggleButton : ToggleButton
+    {
+        protected override void OnClick()
+        {
+            RaiseEvent(new RoutedEventArgs(ClickEvent, this));
+
+            if (Command != null && Command.CanExecute(CommandParameter))
+            {
+                Command.Execute(CommandParameter);
+            }
+        }
+    }
+}
\ No newline at end of file
Index: Core/Common/test/Core.Common.Controls.Test/Core.Common.Controls.Test.csproj
===================================================================
diff -u -r08e8d26a0715f0f3db57c1d3e86256aa06934db4 -r2f8eceba36e55965b2d861414826454261bcbec0
--- Core/Common/test/Core.Common.Controls.Test/Core.Common.Controls.Test.csproj	(.../Core.Common.Controls.Test.csproj)	(revision 08e8d26a0715f0f3db57c1d3e86256aa06934db4)
+++ Core/Common/test/Core.Common.Controls.Test/Core.Common.Controls.Test.csproj	(.../Core.Common.Controls.Test.csproj)	(revision 2f8eceba36e55965b2d861414826454261bcbec0)
@@ -4,10 +4,13 @@
     <Reference Include="NUnitForms">
       <HintPath>..\..\..\..\lib\NUnitForms.dll</HintPath>
     </Reference>
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\..\..\build\Copying.Lesser.licenseheader">
Index: Core/Common/test/Core.Common.Controls.Test/OneWayToggleButtonTest.cs
===================================================================
diff -u
--- Core/Common/test/Core.Common.Controls.Test/OneWayToggleButtonTest.cs	(revision 0)
+++ Core/Common/test/Core.Common.Controls.Test/OneWayToggleButtonTest.cs	(revision 2f8eceba36e55965b2d861414826454261bcbec0)
@@ -0,0 +1,123 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System.Threading;
+using System.Windows.Controls.Primitives;
+using System.Windows.Input;
+using NUnit.Framework;
+using Rhino.Mocks;
+
+namespace Core.Common.Controls.Test
+{
+    [TestFixture]
+    [Apartment(ApartmentState.STA)]
+    public class OneWayToggleButtonTest
+    {
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Call
+            var toggleButton = new OneWayToggleButton();
+
+            // Assert
+            Assert.IsInstanceOf<ToggleButton>(toggleButton);
+        }
+
+        [Test]
+        public void OnClick_Always_ClickEventRaised()
+        {
+            // Setup
+            var toggleButton = new TestOneWayToggleButton();
+
+            var clickCount = 0;
+            object actualSender = null;
+            toggleButton.Click += (sender, args) =>
+            {
+                clickCount++;
+                actualSender = sender;
+            };
+
+            // Call
+            toggleButton.PerformClick();
+
+            // Assert
+            Assert.AreEqual(1, clickCount);
+            Assert.AreSame(toggleButton, actualSender);
+        }
+
+        [Test]
+        public void GivenToggleButtonWithCommandAndCanExecuteTrue_WhenButtonClicked_ThenCommandExecuted()
+        {
+            // Given
+            var mocks = new MockRepository();
+            var command = mocks.StrictMock<ICommand>();
+            command.Expect(c => c.CanExecuteChanged += null).IgnoreArguments();
+            command.Expect(c => c.CanExecute(null))
+                   .Return(true)
+                   .Repeat.Any();
+            command.Expect(c => c.Execute(null));
+            mocks.ReplayAll();
+
+            var toggleButton = new TestOneWayToggleButton
+            {
+                Command = command
+            };
+
+            // When
+            toggleButton.PerformClick();
+
+            // Then
+            mocks.VerifyAll();
+        }
+
+        [Test]
+        public void GivenToggleButtonWithCommandAndCanExecuteFalse_WhenButtonClicked_ThenCommandNotExecuted()
+        {
+            // Given
+            var mocks = new MockRepository();
+            var command = mocks.StrictMock<ICommand>();
+            command.Expect(c => c.CanExecuteChanged += null).IgnoreArguments();
+            command.Expect(c => c.CanExecute(null))
+                   .Return(false)
+                   .Repeat.Any();
+            mocks.ReplayAll();
+
+            var toggleButton = new TestOneWayToggleButton
+            {
+                Command = command
+            };
+
+            // When
+            toggleButton.PerformClick();
+
+            // Then
+            mocks.VerifyAll();
+        }
+
+        private class TestOneWayToggleButton : OneWayToggleButton
+        {
+            public void PerformClick()
+            {
+                OnClick();
+            }
+        }
+    }
+}
\ No newline at end of file
Index: Core/Gui/src/Core.Gui/Forms/Backstage/BackstageControl.xaml
===================================================================
diff -u -rc30c93c3f77e0f07d0859c717c639329a63bd468 -r2f8eceba36e55965b2d861414826454261bcbec0
--- Core/Gui/src/Core.Gui/Forms/Backstage/BackstageControl.xaml	(.../BackstageControl.xaml)	(revision c30c93c3f77e0f07d0859c717c639329a63bd468)
+++ Core/Gui/src/Core.Gui/Forms/Backstage/BackstageControl.xaml	(.../BackstageControl.xaml)	(revision 2f8eceba36e55965b2d861414826454261bcbec0)
@@ -29,6 +29,7 @@
                    xmlns:metro="http://metro.mahapps.com/winfx/xaml/controls"
                    xmlns:properties="clr-namespace:Core.Gui.Properties"
                    xmlns:backstage="clr-namespace:Core.Gui.Forms.Backstage"
+                   xmlns:controls="clr-namespace:Core.Common.Controls;assembly=Core.Common.Controls"
                    mc:Ignorable="d"
                    d:DataContext="{d:DesignInstance IsDesignTimeCreatable=False, Type={x:Type backstage:BackstageViewModel}}">
 
@@ -148,29 +149,32 @@
                                FontSize="35"
                                Text="&#xE916;" />
                 </Button>
-                <ToggleButton Style="{StaticResource BackstageToggleButtonStyle}"
-                              Content="{x:Static properties:Resources.Info_DisplayName}"
-                              Command="{Binding SetCurrentViewModelCommand}"
-                              CommandParameter="{Binding InfoViewModel}" />
+                <controls:OneWayToggleButton Style="{StaticResource BackstageToggleButtonStyle}"
+                                             Content="{x:Static properties:Resources.Info_DisplayName}"
+                                             Command="{Binding SetCurrentViewModelCommand}"
+                                             CommandParameter="{Binding InfoViewModel}" 
+                                             IsChecked="{Binding InfoSelected, Mode=OneWay}" />
                 <Separator Style="{StaticResource BackstageSeparatorStyle}" />
                 <Button Style="{StaticResource BackstageButtonStyle}"
                         Content="{x:Static properties:Resources.NewProject_DisplayName}"
                         Command="{x:Static commands:MainWindowCommands.NewProjectCommand}" />
-                <ToggleButton Style="{StaticResource BackstageToggleButtonStyle}"
-                              Content="{x:Static properties:Resources.OpenProject_DisplayName}"
-                              Command="{Binding SetCurrentViewModelCommand}"
-                              CommandParameter="{Binding OpenViewModel}" />
+                <controls:OneWayToggleButton Style="{StaticResource BackstageToggleButtonStyle}"
+                                             Content="{x:Static properties:Resources.OpenProject_DisplayName}"
+                                             Command="{Binding SetCurrentViewModelCommand}"
+                                             CommandParameter="{Binding OpenViewModel}"
+                                             IsChecked="{Binding OpenSelected, Mode=OneWay}" />
                 <Button Style="{StaticResource BackstageButtonStyle}"
                         Content="{x:Static properties:Resources.SaveProject_DisplayName}"
                         Command="{x:Static commands:MainWindowCommands.SaveProjectCommand}" />
                 <Button Style="{StaticResource BackstageButtonStyle}"
                         Content="{x:Static properties:Resources.SaveProjectAs_DisplayName}"
                         Command="{x:Static commands:MainWindowCommands.SaveProjectAsCommand}" />
                 <Separator Style="{StaticResource BackstageSeparatorStyle}" />
-                <ToggleButton Style="{StaticResource BackstageToggleButtonStyle}"
-                              Content="{x:Static properties:Resources.About_DisplayName}"
-                              Command="{Binding SetCurrentViewModelCommand}"
-                              CommandParameter="{Binding AboutViewModel}" />
+                <controls:OneWayToggleButton Style="{StaticResource BackstageToggleButtonStyle}"
+                                             Content="{x:Static properties:Resources.About_DisplayName}"
+                                             Command="{Binding SetCurrentViewModelCommand}"
+                                             CommandParameter="{Binding AboutViewModel}"
+                                             IsChecked="{Binding AboutSelected, Mode=OneWay}" />
                 <Button Style="{StaticResource BackstageButtonStyle}"
                         Content="{x:Static properties:Resources.ShowLog_DisplayName}"
                         Command="{x:Static commands:MainWindowCommands.OpenLogFileCommand}" />
@@ -183,7 +187,8 @@
                         Command="{x:Static commands:MainWindowCommands.CloseApplicationCommand}" />
             </StackPanel>
 
-            <ContentControl Content="{Binding CurrentViewModel}" Background="{StaticResource BackstageBackgroundColorBrush}"/>
+            <ContentControl Content="{Binding CurrentViewModel}"
+                            Background="{StaticResource BackstageBackgroundColorBrush}"/>
         </DockPanel>
     </Grid>
 </UserControl>
Index: Core/Gui/src/Core.Gui/Forms/Backstage/BackstageViewModel.cs
===================================================================
diff -u -rc30c93c3f77e0f07d0859c717c639329a63bd468 -r2f8eceba36e55965b2d861414826454261bcbec0
--- Core/Gui/src/Core.Gui/Forms/Backstage/BackstageViewModel.cs	(.../BackstageViewModel.cs)	(revision c30c93c3f77e0f07d0859c717c639329a63bd468)
+++ Core/Gui/src/Core.Gui/Forms/Backstage/BackstageViewModel.cs	(.../BackstageViewModel.cs)	(revision 2f8eceba36e55965b2d861414826454261bcbec0)
@@ -29,6 +29,9 @@
     public class BackstageViewModel : INotifyPropertyChanged
     {
         private IViewModel currentViewModel;
+        private bool infoSelected;
+        private bool openSelected;
+        private bool aboutSelected;
         public event PropertyChangedEventHandler PropertyChanged;
 
         public BackstageViewModel()
@@ -38,29 +41,74 @@
             AboutViewModel = new AboutViewModel();
 
             SetCurrentViewModelCommand = new RelayCommand(OnSetCurrentViewModel);
+
+            CurrentViewModel = InfoViewModel;
         }
 
+        public ICommand SetCurrentViewModelCommand { get; }
+        public IViewModel InfoViewModel { get; }
+        public IViewModel OpenViewModel { get; }
+        public IViewModel AboutViewModel { get; }
+
         public IViewModel CurrentViewModel
         {
             get => currentViewModel;
             set
             {
+                if (value == currentViewModel)
+                {
+                    return;
+                }
+
                 currentViewModel = value;
                 OnPropertyChanged(nameof(CurrentViewModel));
+
+                SetButtonStates();
             }
         }
 
-        public ICommand SetCurrentViewModelCommand { get; }
+        public bool InfoSelected
+        {
+            get => infoSelected;
+            private set
+            {
+                infoSelected = value;
+                OnPropertyChanged(nameof(InfoSelected));
+            }
+        }
 
-        public IViewModel InfoViewModel { get; }
-        public IViewModel OpenViewModel { get; }
-        public IViewModel AboutViewModel { get; }
+        public bool OpenSelected
+        {
+            get => openSelected;
+            private set
+            {
+                openSelected = value;
+                OnPropertyChanged(nameof(OpenSelected));
+            }
+        }
 
+        public bool AboutSelected
+        {
+            get => aboutSelected;
+            private set
+            {
+                aboutSelected = value;
+                OnPropertyChanged(nameof(AboutSelected));
+            }
+        }
+
         protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
         {
             PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         }
 
+        private void SetButtonStates()
+        {
+            InfoSelected = currentViewModel is InfoViewModel;
+            OpenSelected = currentViewModel is OpenViewModel;
+            AboutSelected = currentViewModel is AboutViewModel;
+        }
+
         private void OnSetCurrentViewModel(object obj)
         {
             CurrentViewModel = (IViewModel) obj;