Index: magnify/magnifier.c
===================================================================
--- magnify/magnifier.c	(revisione 33523)
+++ magnify/magnifier.c	(copia locale)
@@ -167,6 +167,7 @@
 {
 	HDC desktopHdc = NULL;
 	HDC HdcStrech;
+    HDC hMainDC;
 	HANDLE hOld;
 	HBITMAP HbmpStrech;
 
@@ -180,6 +181,7 @@
     LONG blitAreaWidth, blitAreaHeight, blitAreaX, blitAreaY;
 
 	desktopHdc = GetWindowDC (hDesktopWindow);
+    hMainDC = GetDC(hMainWnd);
 
 	GetClientRect(hMainWnd, &appRect);
 	GetWindowRect(hDesktopWindow, &R);
@@ -257,8 +259,9 @@
 		rop = NOTSRCCOPY;
 	}
 
+	/* Blast the stretched image from memory DC to window DC.*/
 	StretchBlt(
-		HdcStrech,
+		hMainDC,
 		0,
 		0,
 		AppWidth,
@@ -270,23 +273,12 @@
 		blitAreaHeight,
 		rop);
 
-	/* Blast the image from memory DC to client DC.*/
-	BitBlt (
-		aDc,
-		0 ,
-		0 ,
-		AppWidth ,
-		AppHeight ,
-		HdcStrech ,
-		0 ,
-		0 ,
-		SRCCOPY);
-
 	/* Cleanup.*/
 	SelectObject (HdcStrech, hOld);
 	DeleteObject (HbmpStrech);
 	DeleteDC (HdcStrech);
     ReleaseDC(hDesktopWindow, desktopHdc);
+    ReleaseDC(hMainWnd, hMainDC);
 }
 
 //