diff --git a/include/winuser.h b/include/winuser.h
index 02d6da9126d..ac8be48aac0 100644
--- a/include/winuser.h
+++ b/include/winuser.h
@@ -657,6 +657,16 @@ typedef struct
 #define WM_CAPTURECHANGED   0x0215
 #define WM_MOVING	    0x0216
 
+/* wParam for WM_SIZING message */
+#define WMSZ_LEFT           1
+#define WMSZ_RIGHT          2
+#define WMSZ_TOP            3
+#define WMSZ_TOPLEFT        4
+#define WMSZ_TOPRIGHT       5
+#define WMSZ_BOTTOM         6
+#define WMSZ_BOTTOMLEFT     7
+#define WMSZ_BOTTOMRIGHT    8
+
   /* MDI messages */
 #define WM_MDICREATE	    0x0220
 #define WM_MDIDESTROY	    0x0221
diff --git a/windows/nonclient.c b/windows/nonclient.c
index f35caef3ed1..7db76d00bc7 100644
--- a/windows/nonclient.c
+++ b/windows/nonclient.c
@@ -2256,18 +2256,22 @@ static void NC_DoSizeMove( HWND hwnd, WORD wParam )
 	    else
 	    {
 		RECT newRect = sizingRect;
+                WPARAM wpSizingHit = 0;
 
 		if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
 		if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
 		else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
 		if (ON_TOP_BORDER(hittest)) newRect.top += dy;
 		else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
-		if( !iconic )
-		{
-		    NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
-		    NC_DrawMovingFrame( hdc, &newRect, thickframe );
-		}
+		if(!iconic) NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
 		capturePoint = pt;
+                
+                /* determine the hit location */
+                if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
+                    wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
+		SendMessageA( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&newRect );
+
+		if (!iconic) NC_DrawMovingFrame( hdc, &newRect, thickframe );
 		sizingRect = newRect;
 	    }
 	}