diff --git a/robotgo.go b/robotgo.go
index ab29081..0d0f699 100644
--- a/robotgo.go
+++ b/robotgo.go
@@ -1293,6 +1293,16 @@ ____    __    ____  __  .__   __.  _______   ______   ____    __    ____
 
 */
 
+// ScaleX get primary display horizontal DPI scale factor
+func ScaleX() int {
+	return int(C.scalex())
+}
+
+// ScaleY get primary display vertical DPI scale factor
+func ScaleY() int {
+	return int(C.scaley())
+}
+
 // ShowAlert show a alert window
 func ShowAlert(title, msg string, args ...string) int {
 	var (
diff --git a/window/goWindow.h b/window/goWindow.h
index 32b159c..74a790f 100644
--- a/window/goWindow.h
+++ b/window/goWindow.h
@@ -18,6 +18,27 @@ int show_alert(const char *title, const char *msg,
 	return alert;
 }
 
+intptr scalex(){
+	#if defined(IS_WINDOWS)
+		// Get desktop dc
+		HDC desktopDc = GetDC(NULL);
+		// Get native resolution
+		intptr horizontalDPI = GetDeviceCaps(desktopDc, LOGPIXELSX);
+		// intptr verticalDPI = GetDeviceCaps(desktopDc, LOGPIXELSY);
+		return horizontalDPI;
+	#endif
+}
+
+intptr scaley(){
+	#if defined(IS_WINDOWS)
+		// Get desktop dc
+		HDC desktopDc = GetDC(NULL);
+		// Get native resolution
+		intptr verticalDPI = GetDeviceCaps(desktopDc, LOGPIXELSY);
+		return verticalDPI;
+	#endif
+}
+
 bool is_valid(){
 	bool abool = IsValid();
 	return abool;
@@ -68,7 +89,7 @@ void set_active(const MData win){
 	    DWORD dwProcessId = 0;
 	    GetWindowThreadProcessId(hWnd, &dwProcessId);
 
-	    if(dwProcessId == pInfo->dwPid) {
+	    if (dwProcessId == pInfo->dwPid) {
 	        pInfo->hWnd = hWnd;
 	        return FALSE;
 	    }
diff --git a/window/window.h b/window/window.h
index 718b6d7..d1c4a94 100644
--- a/window/window.h
+++ b/window/window.h
@@ -560,7 +560,7 @@ bool IsMaximized(void){
 
 void SetActive(const MData win){
 	// Check if the window is valid
-	if (!IsValid()) {return;}
+	if (!IsValid()) { return; }
 #if defined(IS_MACOSX)
 
 	// Attempt to raise the specified window object