Added a property for whether to change the WindowStyle to match the TitleBar flow direction

Author: Avid29

components/TitleBar/src/TitleBar.Properties.cs

@@ -58,6 +58,11 @@ public partial class TitleBar : Control
     public static readonly DependencyProperty AutoConfigureCustomTitleBarProperty = DependencyProperty.Register(nameof(AutoConfigureCustomTitleBar), typeof(bool), typeof(TitleBar), new PropertyMetadata(true, AutoConfigureCustomTitleBarChanged));
 
 #if WINAPPSDK
+    /// <summary>
+    /// The backing <see cref="DependencyProperty"/> for the <see cref="Window"/> property.
+    /// </summary>
+    public static readonly DependencyProperty AutoChangeWindowLayoutStyleProperty = DependencyProperty.Register(nameof(AutoChangeWindowLayoutStyle), typeof(bool), typeof(TitleBar), new PropertyMetadata(true));
+
     /// <summary>
     /// The backing <see cref="DependencyProperty"/> for the <see cref="Window"/> property.
     /// </summary>
@@ -165,6 +170,15 @@ public bool AutoConfigureCustomTitleBar
     }
 
 #if WINAPPSDK
+    /// <summary>
+    /// Gets or sets if the TitleBar should automatically change the Window's LayoutStyle to match the FlowDirection of the TitleBar (WASDK only).
+    /// </summary>
+    public bool AutoChangeWindowLayoutStyle
+    {
+        get => (bool)GetValue(AutoChangeWindowLayoutStyleProperty);
+        set => SetValue(AutoChangeWindowLayoutStyleProperty, value);
+    }
+
     /// <summary>
     /// Gets or sets the window the TitleBar should configure (WASDK only).
     /// </summary>

components/TitleBar/src/TitleBar.WASDK.cs

@@ -55,7 +55,10 @@ private void SetWASDKTitleBar()
             }
 
             // Set the caption buttons to match the flow direction of the titlebar
-            UpdateCaptionButtonsDirection(this.FlowDirection);
+            if (AutoChangeWindowLayoutStyle)
+            {
+                UpdateCaptionButtonsDirection(this.FlowDirection);
+            }
 
             PART_ContentPresenter = GetTemplateChild(nameof(PART_ContentPresenter)) as ContentPresenter;
             PART_FooterPresenter = GetTemplateChild(nameof(PART_FooterPresenter)) as ContentPresenter;