اخواني الاعزاء كيف اضيف BackgroundWorker حاولت وعجزت لم اعرف مكانها وهذا رابط من ميكروسوفت http://msdn.microsoft.com/en-us/library/ms233672%28v=vs.80%29.aspx
استخدم حاليا : Microsoft Visual Studio 2008
Many of life’s failures are people who did not realize how close they were to success when they gave up
Thomas Edison