Added automation peer and applied some small changes.

Controls/Input/Input.UWP/Calendar/AutomationPeers/CalendarFooterControlAutomationPeer.cs

@@ -0,0 +1,21 @@
+using Telerik.UI.Automation.Peers;
+
+namespace Telerik.UI.Xaml.Controls.Input.Calendar.AutomationPeers
+{
+    public class CalendarFooterControlAutomationPeer : RadControlAutomationPeer
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="CalendarNavigationControlAutomationPeer"/> class.
+        /// </summary>
+        /// <param name="owner">CalendarNavigationControl owner.</param>
+        public CalendarFooterControlAutomationPeer(CalendarFooterControl owner) : base(owner)
+        {
+        }
+
+        /// <inheritdoc />
+        protected override string GetLocalizedControlTypeCore()
+        {
+            return "calendar footer control";
+        }
+    }
+}

Controls/Input/Input.UWP/Calendar/View/CalendarFooterControl.cs

@@ -1,4 +1,6 @@
-using Windows.UI.Xaml;
+using Telerik.UI.Xaml.Controls.Input.Calendar.AutomationPeers;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Automation.Peers;
 using Windows.UI.Xaml.Controls;
 
 namespace Telerik.UI.Xaml.Controls.Input.Calendar
@@ -62,6 +64,11 @@ namespace Telerik.UI.Xaml.Controls.Input.Calendar
             }
         }
 
+        protected override AutomationPeer OnCreateAutomationPeer()
+        {
+            return new CalendarFooterControlAutomationPeer(this);
+        }
+
         private void CalendarFooterButtonClick(object sender, Windows.UI.Xaml.RoutedEventArgs e)
         {
             this.Owner.OnCalendarButtonClicked();

Controls/Input/Input.UWP/Calendar/View/RadCalendar.cs

@@ -3697,7 +3697,7 @@ namespace Telerik.UI.Xaml.Controls.Input
             availableSize.Width -= this.BorderThickness.Left + this.BorderThickness.Right + this.Padding.Left + this.Padding.Right;
             availableSize.Height -= this.BorderThickness.Top + this.BorderThickness.Bottom + this.Padding.Top + this.Padding.Bottom;
 
-            if (this.navigationPanel != null)
+            if (this.navigationPanel != null && this.HeaderVisibility == Visibility.Visible)
             {
                 availableSize.Height -= this.navigationPanel.ActualHeight;
             }
@@ -3740,6 +3740,12 @@ namespace Telerik.UI.Xaml.Controls.Input
                 navigationPanelHeight = this.navigationPanel.ActualHeight;
             }
 
+            double footerPanelHeight = 0d;
+            if (this.footerPanel != null)
+            {
+                footerPanelHeight = this.footerPanel.ActualHeight;
+            }
+
             // NOTE: We need to be able to overlap the outer border of the control with the cell decoration visuals.
             // NOTE: We need to be able to display the hold clue visualization for the first row of cells properly (multiple selection)
             RectangleGeometry clip = new RectangleGeometry();
@@ -3747,7 +3753,7 @@ namespace Telerik.UI.Xaml.Controls.Input
                 -this.BorderThickness.Left,
                 -(this.BorderThickness.Top + navigationPanelHeight),
                 (int)(this.calendarViewHost.ActualWidth + this.BorderThickness.Left + this.BorderThickness.Right + .5),
-                (int)(this.calendarViewHost.ActualHeight + navigationPanelHeight + this.BorderThickness.Top + this.BorderThickness.Bottom + .5));
+                (int)(this.calendarViewHost.ActualHeight + navigationPanelHeight + footerPanelHeight + this.BorderThickness.Top + this.BorderThickness.Bottom + .5));
 
             this.calendarViewHost.Clip = clip;
         }

Controls/Input/Input.UWP/Input.UWP.csproj

@@ -59,6 +59,7 @@
     <Compile Include="AutoCompleteBox\AutomationPeers\RadAutoCompleteBoxAutomationPeer.cs" />
     <Compile Include="AutoCompleteBox\AutomationPeers\SuggestionItemAutomationPeer.cs" />
     <Compile Include="Calendar\AutomationPeers\CalendarCellInfoBaseAutomationPeer.cs" />
+    <Compile Include="Calendar\AutomationPeers\CalendarFooterControlAutomationPeer.cs" />
     <Compile Include="Calendar\AutomationPeers\CalendarHeaderCellInfoAutomationPeer.cs" />
     <Compile Include="Calendar\AutomationPeers\CalendarInvokableCellInfoAutomationPeer.cs" />
     <Compile Include="Calendar\AutomationPeers\CalendarNavigationControlAutomationPeer.cs" />