> For the complete documentation index, see [llms.txt](https://pinvokeisalive.gitbook.io/pinvoke/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pinvokeisalive.gitbook.io/pinvoke/desktopfunctions/mapi32/mapifindnext.md).

# MAPIFindNext

### C# Signature:

```cs
/// <summary>
  /// The MAPIFindNext function retrieves the next (or first) message identifier of a specified type 
  /// of incoming message.
  /// </summary>
  [DllImport("MAPI32.DLL", CharSet=CharSet.Ansi)]
  public static extern uint MAPIFindNext(IntPtr lhSession, IntPtr ulUIParam, string lpszMessageType,
    string lpszSeedMessageID, uint flFlags, uint ulReserved, StringBuilder lpszMessageID);
```

### VB Signature:

```cs
Please add!
```