public static MemoryStream CreateMemoryStreamFromBytes(byte[] inputData)
{
if (inputData == null || inputData.Length == 0)
{
return null;
}
MemoryStream result = new MemoryStream(inputData, false);
return result;
} /// <summary>
/// Read the data based on byte array from a specific file which path is from input.
/// </summary>
/// <param name="localFilePath">File path you want read.</param>
/// <returns>The file data based on byte array of input file. If input file path not exists, return null.</returns>
public static byte[] ReadBytesFromFile(string localFilePath)
{
if (StringHelper.IsNullOrEmpty(localFilePath)
|| !File.Exists(localFilePath))
{
return null;
}
FileStream fs = new FileStream(localFilePath,
FileMode.Open, FileAccess.Read, FileShare.Read);
byte[] result = new byte[fs.Length];
int bufferSize = Convert.ToInt32((long)65536 > fs.Length ? fs.Length : (long)65536);
int offset = 0;
int readCount = 0;
using (fs as IDisposable)
{
while ((readCount = fs.Read(result, offset, bufferSize)) > 0)
{
offset += readCount;
bufferSize = bufferSize > result.Length - offset ?
result.Length - offset : bufferSize;
}
}
return result;
}