| public static CopyTo ( this copyFrom, Stream copyTo, int maximumBytesToCopy ) : int | ||
| copyFrom | this | The stream to copy from, at the position /// where copying should begin |
| copyTo | Stream | The stream to copy to, at the position where /// bytes should be written |
| maximumBytesToCopy | int | The maximum bytes to copy |
| return | int | |
public static int CopyTo(this Stream copyFrom, Stream copyTo, int maximumBytesToCopy)
{
byte[] buffer = new byte[4096];
int readBytes;
int totalCopiedBytes = 0;
while ((readBytes = copyFrom.Read(buffer, 0, Math.Min(4096, maximumBytesToCopy))) > 0)
{
int writeBytes = Math.Min(maximumBytesToCopy, readBytes);
copyTo.Write(buffer, 0, writeBytes);
totalCopiedBytes += writeBytes;
maximumBytesToCopy -= writeBytes;
}
return totalCopiedBytes;
}