internal static extern SafeFileHandle CreateFileW(
string lpFileName,
FileAccessEx dwDesiredAccess,
FileShareEx dwShareMode,
IntPtr SecurityAttributes,
CreationDisposition dwCreationDisposition,
FileAttributes dwFlagsAndAttributes,
IntPtr hTemplateFile
);
public static extern SafeFileHandle CreateFile(
string fileName,
[MarshalAs(UnmanagedType.U4)] FileAccessEx fileAccess,
[MarshalAs(UnmanagedType.U4)] FileShare fileShare,
IntPtr securityAttributes,
[MarshalAs(UnmanagedType.U4)] FileMode creationDisposition,
FileOptions flags,
IntPtr template
);
/// <summary>
/// Opens a FileStream on the specified path.
/// </summary>
/// <param name="path">The file to open.</param>
/// <param name="mode">A FileMode value that specifies whether a file is created if one does not exist, and determines whether the contents of existing files are retained or overwritten.</param>
/// <param name="access">A FileAccess value that specifies the operations that can be performed on the file.</param>
/// <param name="share">A FileShare value specifying the type of access other threads have to the file. </param>
/// <returns>A FileStream on the specified path, having the specified mode with read, write, or read/write access and the specified sharing option.</returns>
public static FileStream Open(string path, FileMode mode, FileAccessEx access, FileShare share)
{
return(File.Open(path, mode, (System.IO.FileAccess)access, (System.IO.FileShare)share));
}
/// <summary>
/// Opens a FileStream on the specified path.
/// </summary>
/// <param name="path">The file to open.</param>
/// <param name="mode">A FileMode value that specifies whether a file is created if one does not exist, and determines whether the contents of existing files are retained or overwritten.</param>
/// <param name="access">A FileAccess value that specifies the operations that can be performed on the file.</param>
/// <param name="share">A FileShare value specifying the type of access other threads have to the file. </param>
/// <returns>A FileStream on the specified path, having the specified mode with read, write, or read/write access and the specified sharing option.</returns>
public static FileStream Open(string path, FileMode mode, FileAccessEx access, FileShare share)
{
return File.Open(path, mode, (System.IO.FileAccess) access, (System.IO.FileShare) share);
}