public static void CopyByBlock(string inputPath, string outputPath, CopyProgressDelegate callback = null)
{
using (FileStream input = File.Open(inputPath, FileMode.Open, FileAccess.Read, FileShare.Read)) {
using (FileStream output = File.Open(outputPath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Read))
{
byte[] buffer = new byte[1024 * 1024];
int bytesRead;
while ((bytesRead = input.Read(buffer, 0, buffer.Length)) != 0)
{
output.Write(buffer, 0, bytesRead);
callback?.Invoke(bytesRead);
}
}
}
}
