From ef5ab72301d136bb39a53443b5c00dc58cd65013 Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Sun, 24 Sep 2023 23:39:56 +0800
Subject: [PATCH] fix: close #1457

---
 .../Controls/TabControl/TabItem.cs            | 20 ++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/Shared/HandyControl_Shared/Controls/TabControl/TabItem.cs b/src/Shared/HandyControl_Shared/Controls/TabControl/TabItem.cs
index d202527c..1b495414 100644
--- a/src/Shared/HandyControl_Shared/Controls/TabControl/TabItem.cs
+++ b/src/Shared/HandyControl_Shared/Controls/TabControl/TabItem.cs
@@ -257,7 +257,11 @@ protected override void OnMouseRightButtonDown(MouseButtonEventArgs e)
     {
         base.OnMouseRightButtonDown(e);
 
-        if (VisualTreeHelper.HitTest(this, e.GetPosition(this)) == null) return;
+        if (!IsMouseOverHeader(e))
+        {
+            return;
+        }
+
         IsSelected = true;
         Focus();
     }
@@ -300,7 +304,11 @@ protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
     {
         base.OnMouseLeftButtonDown(e);
 
-        if (VisualTreeHelper.HitTest(this, e.GetPosition(this)) == null) return;
+        if (!IsMouseOverHeader(e))
+        {
+            return;
+        }
+
         var parent = TabControlParent;
         if (parent == null) return;
 
@@ -391,7 +399,8 @@ protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
     protected override void OnMouseDown(MouseButtonEventArgs e)
     {
         if (e is { ChangedButton: MouseButton.Middle, ButtonState: MouseButtonState.Pressed } &&
-            TabControlParent.CanBeClosedByMiddleButton)
+            TabControlParent.CanBeClosedByMiddleButton &&
+            IsMouseOverHeader(e))
         {
             if (ShowCloseButton || ShowContextMenu)
             {
@@ -474,6 +483,11 @@ private int CalLocationIndex(double left)
         return result > maxIndex ? maxIndex : result;
     }
 
+    private bool IsMouseOverHeader(MouseButtonEventArgs e)
+    {
+        return VisualTreeHelper.HitTest(this, e.GetPosition(this)) is not null;
+    }
+
     public static readonly RoutedEvent ClosingEvent = EventManager.RegisterRoutedEvent("Closing", RoutingStrategy.Bubble, typeof(EventHandler), typeof(TabItem));
 
     public event EventHandler Closing