public void CancelIO()
{
if (IsOpen)
{
NativeMethods.CancelIoEx(SafeReadHandle.DangerousGetHandle(), IntPtr.Zero);
}
}
public ReadStatus ReadFile(byte[] inputBuffer)
{
EnsureReadHandleActive();
try
{
if (NativeMethods.ReadFile(SafeReadHandle.DangerousGetHandle(), inputBuffer, (uint)inputBuffer.Length, out uint bytesRead, IntPtr.Zero))
{
return(ReadStatus.Success);
}
else
{
return(ReadStatus.NoDataRead);
}
}
private void CloseFileStreamIO()
{
if (FileStream != null)
{
try { FileStream.Close(); } catch { }
}
FileStream = null;
if (SafeReadHandle != null && !SafeReadHandle.IsInvalid)
{
try
{
if (!SafeReadHandle.IsClosed)
{
SafeReadHandle.Close();
}
}
catch (IOException) { }
}
SafeReadHandle = null;
}
