diff --git a/src/Manager.ahk b/src/Manager.ahk
index 54b8834..8b7c647 100644
--- a/src/Manager.ahk
+++ b/src/Manager.ahk
@@ -57,21 +57,17 @@ Manager_init()
 
 Manager_activateMonitor(d) 
 {
-  Local aView, aWndClass, aWndHeight, aWndId, aWndWidth, aWndX, aWndY, v, wndId
+  Local aView, aWndHeight, aWndId, aWndWidth, aWndX, aWndY, v, wndId
   
   If (Manager_monitorCount > 1) 
   {
     aView := Monitor_#%Manager_aMonitor%_aView_#1
-    WinGet, aWndId, ID, A
-    If WinExist("ahk_id" aWndId) 
+    aWndId := View_getActiveWindow(Manager_aMonitor, aView)
+    If aWndId
     {
-      WinGetClass, aWndClass, ahk_id %aWndId%
-      If Not (aWndClass = "Progman") And Not (aWndClass = "AutoHotkeyGui") And Not (aWndClass = "DesktopBackgroundClass") 
-      {
-        WinGetPos, aWndX, aWndY, aWndWidth, aWndHeight, ahk_id %aWndId%
-        If (Monitor_get(aWndX + aWndWidth / 2, aWndY + aWndHeight / 2) = Manager_aMonitor)
-          View_#%Manager_aMonitor%_#%aView%_aWndId := aWndId
-      }
+      WinGetPos, aWndX, aWndY, aWndWidth, aWndHeight, ahk_id %aWndId%
+      If (Monitor_get(aWndX + aWndWidth / 2, aWndY + aWndHeight / 2) = Manager_aMonitor)
+        View_#%Manager_aMonitor%_#%aView%_aWndId := aWndId
     }
     
     Manager_aMonitor := Manager_loop(Manager_aMonitor, d, 1, Manager_monitorCount)
diff --git a/src/Monitor.ahk b/src/Monitor.ahk
index 4aa05a2..b166055 100644
--- a/src/Monitor.ahk
+++ b/src/Monitor.ahk
@@ -36,7 +36,7 @@ Monitor_init(m)
 
 Monitor_activateView(v) 
 {
-  Local aView, aWndClass, aWndId, aWndTitle, m, n, wndId, wndIds
+  Local aView, aWndId, m, n, wndId, wndIds
   
   If (v = -1)
     v := Monitor_#%Manager_aMonitor%_aView_#2
@@ -45,7 +45,7 @@ Monitor_activateView(v)
   Else If (v = "<")
     v := Manager_loop(Monitor_#%Manager_aMonitor%_aView_#1, -1, 1, Config_viewCount)
   
-  Debug_logMessage("DEBUG[1] Monitor_activateView(" . v . ") Manager_aMonitor: " . Manager_aMonitor . "; wndIds: " . View_#%m%_#%aView%_wndIds, 1)
+  Debug_logMessage("DEBUG[1] Monitor_activateView(" . v . ") Manager_aMonitor: " . Manager_aMonitor . "; wndIds: " . View_#%Manager_aMonitor%_#%v%_wndIds, 1)
   If (v <= 0) Or (v > Config_viewCount) Or Manager_hideShow
     Return
   ;; Re-arrange the windows on the active view.
@@ -56,14 +56,9 @@ Monitor_activateView(v)
   }
   
   aView := Monitor_#%Manager_aMonitor%_aView_#1
-  WinGet, aWndId, ID, A
-  If WinExist("ahk_id" aWndId) And InStr(View_#%Manager_aMonitor%_#%aView%_wndIds, aWndId ";") 
-  {
-    WinGetClass, aWndClass, ahk_id %aWndId%
-    WinGetTitle, aWndTitle, ahk_id %aWndId%
-    If Not (aWndClass = "Progman") And Not (aWndClass = "AutoHotkeyGui" And SubStr(aWndTitle, 1, 10) = "bug.n_BAR_") And Not (aWndClass = "DesktopBackgroundClass")
-      View_#%Manager_aMonitor%_#%aView%_aWndId := aWndId
-  }
+  aWndId := View_getActiveWindow(Manager_aMonitor, aView)
+  If aWndId
+    View_#%Manager_aMonitor%_#%aView%_aWndId := aWndId
   
   n := Config_syncMonitorViews
   If (n = 1)
diff --git a/src/View.ahk b/src/View.ahk
index cea6c67..9b66e6b 100644
--- a/src/View.ahk
+++ b/src/View.ahk
@@ -224,6 +224,21 @@ View_arrange_tile(m, v, x, y, w, h)
     View_stackWindows("View_tiledWndId", mSplit + 1, stackLen, +1, axis3, x2, y2, w2, h2, gapW)
 }
 
+View_getActiveWindow(m, v)
+{
+  Local aWndClass, aWndId, aWndTitle
+  
+  WinGet, aWndId, ID, A
+  If WinExist("ahk_id" aWndId) And InStr(View_#%m%_#%v%_wndIds, aWndId ";") 
+  {
+    WinGetClass, aWndClass, ahk_id %aWndId%
+    WinGetTitle, aWndTitle, ahk_id %aWndId%
+    If Not (aWndClass = "Progman") And Not (aWndClass = "AutoHotkeyGui" And SubStr(aWndTitle, 1, 10) = "bug.n_BAR_") And Not (aWndClass = "DesktopBackgroundClass")
+      Return, aWndId
+  }
+  Return, 0
+}
+
 View_getLayoutSymbol_tile(m, v, n) 
 {
   Local axis1, axis2, axis3, masterDim, masterDiv, mx, my, stackSym