Issues #131 Issues #168 Attempt to fix the performance issue

AlexanderPro · AlexanderPro · commit f70ae419aaff · 2025-08-21T16:41:08.000+03:00
diff --git a/SmartSystemMenuHook/SmartSystemMenuHook.cpp b/SmartSystemMenuHook/SmartSystemMenuHook.cpp
@@ -75,7 +75,7 @@ static LRESULT CALLBACK CbtHookCallback(int code, WPARAM wparam, LPARAM lparam)
         else if (code == HCBT_ACTIVATE)
             msg = WM_SSM_HOOK_HCBT_ACTIVATE;
 
-        if (msg != 0)
+        if (msg != 0 && GetSystemMenu((HWND)wparam, false) != NULL)
         {
             SendNotifyMessage(hwndMain, msg, wparam, lparam);
         }
@@ -116,7 +116,7 @@ static LRESULT CALLBACK ShellHookCallback(int code, WPARAM wparam, LPARAM lparam
         else if (code == HSHELL_WINDOWDESTROYED)
             msg = WM_SSM_HOOK_HSHELL_WINDOWDESTROYED;
 
-        if (msg != 0)
+        if (msg != 0 && GetSystemMenu((HWND)wparam, false) != NULL)
         {
             SendNotifyMessage(hwndMain, msg, wparam, lparam);
         }

Original file line number	Diff line number	Diff line change
`@@ -75,7 +75,7 @@ static LRESULT CALLBACK CbtHookCallback(int code, WPARAM wparam, LPARAM lparam)`
`75`	`75`	`else if (code == HCBT_ACTIVATE)`
`76`	`76`	`msg = WM_SSM_HOOK_HCBT_ACTIVATE;`
`77`	`77`
`78`		`- if (msg != 0)`
	`78`	`+ if (msg != 0 && GetSystemMenu((HWND)wparam, false) != NULL)`
`79`	`79`	`{`
`80`	`80`	`SendNotifyMessage(hwndMain, msg, wparam, lparam);`
`81`	`81`	`}`
`@@ -116,7 +116,7 @@ static LRESULT CALLBACK ShellHookCallback(int code, WPARAM wparam, LPARAM lparam`
`116`	`116`	`else if (code == HSHELL_WINDOWDESTROYED)`
`117`	`117`	`msg = WM_SSM_HOOK_HSHELL_WINDOWDESTROYED;`
`118`	`118`
`119`		`- if (msg != 0)`
	`119`	`+ if (msg != 0 && GetSystemMenu((HWND)wparam, false) != NULL)`
`120`	`120`	`{`
`121`	`121`	`SendNotifyMessage(hwndMain, msg, wparam, lparam);`
`122`	`122`	`}`