1 // API Constant 2 private const int SW_MAXIMIZE = 3 ; 3 4 [DllImport( " user32.dll " )] 5 public static extern int ShowWindow( int hwnd, int nCmdShow); 6 7 private void button1_Click( object sender, RoutedEventArgs e) 8 { 9 SHDocVw.InternetExplorer ie = new SHDocVw.InternetExplorer(); 10 11 ie.Visible = true ; 12 13 object objFlags = 0 ; 14 object objTargetFrameName = string .Empty; 15 object objPostData = string .Empty; 16 object objHeaders = string .Empty; 17 18 ie.Navigate( " http://www.baidu.com " , ref objFlags, ref objTargetFrameName, ref objPostData, ref objHeaders); 19 20 ShowWindow(ie.HWND, SW_MAXIMIZE); 21 }