public static byte[] IpcfReadFile(SafeInformationProtectionFileHandle handle, ulong offset, ulong bytesToRead)
{
IpcfFileRange fileRange = new IpcfFileRange(offset, bytesToRead);
byte[] buffer = new byte[bytesToRead];
ulong bufferSize = bytesToRead;
int hr = UnsafeFileApiMethods.IpcfReadFile(handle, fileRange, buffer, ref bufferSize);
SafeNativeMethods.ThrowOnErrorCode(hr);
if (bytesToRead != bufferSize)
{
Array.Resize(ref buffer, (int)bufferSize);
}
return(buffer);
}
internal static extern int IpcfReadFile(
[In] SafeInformationProtectionFileHandle handle,
[In, MarshalAs(UnmanagedType.LPStruct)] IpcfFileRange pDataRange,
[In, MarshalAs(UnmanagedType.LPArray)] byte[] pvBuffer,
ref ulong cbBufferSize);