public static extern SafeFileHandle CreateFile(
string filename,
[MarshalAs(UnmanagedType.U4)] FileAccessAPI access,
[MarshalAs(UnmanagedType.U4)] FileShare share,
IntPtr securityAttributes, // optional SECURITY_ATTRIBUTES struct or IntPtr.Zero
[MarshalAs(UnmanagedType.U4)] FileMode creation,
[MarshalAs(UnmanagedType.U4)] FileFlags flagsAndAttributes,
IntPtr templateFile);
/// <summary>
/// Provides a mapping between a System.IO.FileAccess value and a FileAccessAPI value.
/// </summary>
/// <param name="Access">The <see cref="System.IO.FileAccess"/> value to map.</param>
/// <returns>The <see cref="FileAccessAPI"/> value.</returns>
public static FileAccessAPI Access2API(FileAccess Access)
{
FileAccessAPI lRet = 0;
if ((Access & FileAccess.Read) == FileAccess.Read)
{
lRet |= FileAccessAPI.GENERIC_READ;
}
if ((Access & FileAccess.Write) == FileAccess.Write)
{
lRet |= FileAccessAPI.GENERIC_WRITE;
}
return(lRet);
}
public static extern IntPtr CreateFile(string name, [MarshalAs(UnmanagedType.U4)] FileAccessAPI access, [MarshalAs(UnmanagedType.U4)] FileShare share,
IntPtr security, [MarshalAs(UnmanagedType.U4)] FileMode creation, [MarshalAs(UnmanagedType.U4)] FileFlags flags, IntPtr template);
[DllImport("kernel32")] public static extern IntPtr CreateFile(string Name, FileAccessAPI Access, FileShare Share, int Security, FileMode Creation, FileFlags Flags, int Template);
