C# Definition:

struct BSMINFO {
   public uint cbSize;
   public IntPtr hdesk;
   public IntPtr hwnd;
   public LUID luid;
}

User-Defined Field Types:

None.

Notes:

• cbSize
• Size, in bytes, of this structure.
• hdesk
• Desktop handle to the window specified by hwnd. This is returned only if BroadcastSystemMessageEx specifies BSF_RETURNHDESK and BSF_QUERY.
• hwnd
• Handle to the window that denied the request. This is returned if BroadcastSystemMessageEx specifies BSF_QUERY.
• luid
• Locally unique identifier (LUID) for the window.