C# Constants:

const int FILE_SHARE_WRITE = 2;

VB Constants:

Const FILE_SHARE_WRITE As Integer = 2

Notes:

In CreateFile():

Enables subsequent open operations on a file or device to request write access.

Otherwise, other processes cannot open the file or device if they request write access.

If this flag is not specified, but the file or device has been opened for write access or has a file mapping with write access, the function fails.