last works ...

Libraries/x-saherelm.x-poi.extensions.lib.mq5

@@ -1074,7 +1074,8 @@ bool IsBoxInside(
  */
 bool IsBoxInsideOr(
     XBoxZone &source,
-    XBoxZone &dest //
+    XBoxZone &dest,
+    bool forceInside = false //
 )
 {
     //
@@ -1090,19 +1091,25 @@ bool IsBoxInsideOr(
     }
 
     //
-    bool isLowerInside =
-        source.lower > dest.lower &&
-        source.lower < dest.upper &&
-        (source.upper < dest.upper ||
-         source.upper > dest.upper);
+    bool isInside =
+        source.upper <= dest.upper &&
+        source.upper >= dest.lower &&
+        source.lower >= dest.lower &&
+        source.lower <= dest.upper;
     bool isUpperInside =
-        source.upper < dest.upper &&
-        source.upper > dest.lower &&
-        (source.lower > dest.lower ||
-         source.lower < dest.lower);
+        source.upper <= dest.upper &&
+        source.upper >= dest.lower;
+    bool isLowerInside =
+        source.lower >= dest.lower &&
+        source.lower <= dest.upper;
+
+    //
     result =
-        isLowerInside ||
-        isUpperInside;
+        forceInside
+            ? isInside
+            : (isInside ||
+               isLowerInside ||
+               isUpperInside);
 
     //
     return result;