字符串string和内存流MemoryStream及比特数组byte[]相互转化 定义：string变量为str,内存流变量为ms,比特数组为bt 1.字符串转比特数组 (1)byte[] bt=System.Text.Encoding.Default.GetBytes("字符串"); (2)byte[] bt=Convert.FromBase64String("字符串"); 2

1，WriteableBitmap与BitmapImage转换 1.1 BitmapImage  to WriteableBitmap    BitmapImage bitmapImage=new BitmapImage(new Uri(“http://...”,UriKind.Revelate));    WriteableBitmap writeableBitmap = new