Update main.go

main.go

@@ -15,6 +15,42 @@ import (
 	"golang.org/x/sys/windows/registry"
 )
 
+// Define required structures for OS version check
+const (
+	VER_MAJORVERSION = 0x001
+	VER_MINORVERSION = 0x002
+	VER_BUILDNUMBER  = 0x004
+)
+
+type RTL_OSVERSIONINFOW struct {
+	OSVersionInfoSize uint32
+	MajorVersion      uint32
+	MinorVersion      uint32
+	BuildNumber       uint32
+	PlatformId        uint32
+	CSDVersion        [128]uint16
+}
+
+// isWindows11OrNewer checks if the OS is Windows 11 (Build >= 22000) or later.
+func isWindows11OrNewer() bool {
+	ntdll := syscall.NewLazyDLL("ntdll.dll")
+	rtlGetVersion := ntdll.NewProc("RtlGetVersion")
+
+	var info RTL_OSVERSIONINFOW
+	info.OSVersionInfoSize = uint32(unsafe.Sizeof(info))
+
+	ret, _, _ := rtlGetVersion.Call(uintptr(unsafe.Pointer(&info)))
+
+	// Check if the call was successful (NTSTATUS 0)
+	if ret != 0 {
+		return false // Assume older or error
+	}
+
+	// Windows 11 is generally defined by Build Number >= 22000
+	return info.MajorVersion >= 10 && info.BuildNumber >= 22000
+}
+
+
 // Set Windows dark/light mode via registry
 func setMode(light bool) {
 	key, _ := registry.OpenKey(registry.CURRENT_USER, `Software\Microsoft\Windows\CurrentVersion\Themes\Personalize`, registry.SET_VALUE)
@@ -81,6 +117,15 @@ func backgroundLoop() {
 	darkImg := findImageFile("dark")
 	lastMode := getCurrentMode()
 	
+	// Determine if explorer restart is needed once at startup
+	needsExplorerRestart := isWindows11OrNewer()
+	if !needsExplorerRestart {
+		fmt.Println("Running on Windows 10 (or older), skipping explorer restart.")
+	} else {
+		fmt.Println("Running on Windows 11 (or newer), explorer restart enabled.")
+	}
+
+
 	for {
 		hour := time.Now().Hour()
 		newMode := "dark"
@@ -95,7 +140,12 @@ func backgroundLoop() {
 
 		if newMode != lastMode {
 			setMode(newMode == "light")
-			restartExplorer()
+			
+			// Conditional Explorer Restart ( Windows 10 or 11)
+			if needsExplorerRestart {
+				restartExplorer()
+			}
+
 			lastMode = newMode
 		}