diff --git a/bitmap/goBitmap.h b/bitmap/goBitmap.h
index a728de4..503652e 100644
--- a/bitmap/goBitmap.h
+++ b/bitmap/goBitmap.h
@@ -117,6 +117,18 @@ MMPoint aFindBitmap(MMBitmapRef bit_map, MMRect rect){
 	return point;
 }
 
+bool point_in_bounds(MMBitmapRef bitmap, MMPoint point){
+	if (!bitmap_ready(bitmap)) {
+		return NULL;
+	}
+
+	if (MMBitmapPointInBounds(bitmap, point)) {
+		return true;
+	}
+
+	return false;
+}
+
 MMBitmapRef bitmap_open(char *path, uint16_t ttype){
 	// MMImageType type;
 
@@ -146,7 +158,7 @@ char *bitmap_save(MMBitmapRef bitmap, char *path, uint16_t type){
 	if (saveMMBitmapToFile(bitmap, path, (MMImageType) type) != 0) {
 		return "Could not save image to file.";
 	}
-	//destroyMMBitmap(bitmap);
+	// destroyMMBitmap(bitmap);
 	return "ok";
 }
 
diff --git a/robotgo.go b/robotgo.go
index 9318d2a..f2c56ff 100644
--- a/robotgo.go
+++ b/robotgo.go
@@ -62,7 +62,7 @@ import (
 )
 
 const (
-	version string = "v0.47.0.442, Mount Cook!"
+	version string = "v0.47.0.445, Mount Cook!"
 )
 
 type (
@@ -165,7 +165,7 @@ func CaptureScreen(args ...int) C.MMBitmapRef {
 		// fmt.Println("err:::", e)
 		x = 0
 		y = 0
-		//Get screen size.
+		// Get screen size.
 		var displaySize C.MMSize
 		displaySize = C.getMainDisplaySize()
 		w = displaySize.width
@@ -286,7 +286,7 @@ func SaveCapture(spath string, args ...int) {
 
 // MoveMouse move the mouse
 func MoveMouse(x, y int) {
-	//C.size_t  int
+	// C.size_t  int
 	cx := C.size_t(x)
 	cy := C.size_t(y)
 	C.aMoveMouse(cx, cy)
@@ -483,8 +483,8 @@ func KeyTap(args ...interface{}) {
 		keyarr []string
 		num    int
 	)
-	// var ckeyarr []*C.char
-	ckeyarr := make([](*_Ctype_char), 0)
+	// var ckeyArr []*C.char
+	ckeyArr := make([](*_Ctype_char), 0)
 
 	Try(func() {
 		if reflect.TypeOf(args[1]) == reflect.TypeOf(keyarr) {
@@ -494,7 +494,7 @@ func KeyTap(args ...interface{}) {
 			num = len(keyarr)
 
 			for i := 0; i < num; i++ {
-				ckeyarr = append(ckeyarr, (*C.char)(unsafe.Pointer(C.CString(keyarr[i]))))
+				ckeyArr = append(ckeyArr, (*C.char)(unsafe.Pointer(C.CString(keyarr[i]))))
 			}
 
 		} else {
@@ -519,7 +519,7 @@ func KeyTap(args ...interface{}) {
 	zkey := C.CString(args[0].(string))
 
 	if akey == "" && len(keyarr) != 0 {
-		C.aKey_Tap(zkey, (**_Ctype_char)(unsafe.Pointer(&ckeyarr[0])), C.int(num))
+		C.aKey_Tap(zkey, (**_Ctype_char)(unsafe.Pointer(&ckeyArr[0])), C.int(num))
 	} else {
 		// zkey := C.CString(args[0])
 		amod := C.CString(akey)
@@ -547,18 +547,18 @@ func KeyToggle(args ...string) string {
 
 	Try(func() {
 		adown = args[1]
-		Try(func() {
+		if len(args) > 2 {
 			amkey = args[2]
+
 			Try(func() {
 				amkeyt = args[3]
 			}, func(e interface{}) {
 				// fmt.Println("err:::", e)
 				amkeyt = "null"
 			})
-		}, func(e interface{}) {
-			// fmt.Println("err:::", e)
+		} else {
 			amkey = "null"
-		})
+		}
 	}, func(e interface{}) {
 		// fmt.Println("err:::", e)
 		adown = "null"
@@ -733,6 +733,16 @@ func FindBit(args ...interface{}) (int, int) {
 	return int(pos.x), int(pos.y)
 }
 
+// PointInBounds bitmap point in bounds
+func PointInBounds(bitmap C.MMBitmapRef, x, y int) bool {
+	var point C.MMPoint
+	point.x = C.size_t(x)
+	point.y = C.size_t(y)
+	cbool := C.point_in_bounds(bitmap, point)
+
+	return bool(cbool)
+}
+
 // OpenBitmap open the bitmap
 func OpenBitmap(args ...interface{}) C.MMBitmapRef {
 	path := C.CString(args[0].(string))
diff --git a/vendor/vendor.json b/vendor/vendor.json
index b774e46..2920321 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -65,8 +65,8 @@
 		{
 			"checksumSHA1": "UuwHornIODuEq7fYnsZwdVgERLk=",
 			"path": "github.com/shirou/gopsutil/mem",
-			"revision": "a8bc26299477e53c4ca89f7ec60160a74d4c0890",
-			"revisionTime": "2017-11-12T16:40:41Z"
+			"revision": "27389f01ec9364f60d6dba4fbe9751d3b7058d46",
+			"revisionTime": "2017-12-14T06:29:47Z"
 		},
 		{
 			"checksumSHA1": "AiC1wzY1Rjxs7iitVBvn4YM886k=",