Sets or returns the password hash that is used to write-protect (not encrypt) the worksheet.

public int ProtectPasswordHash{ get; set; }
Public Property ProtectPasswordHash() As Integer<

          //--- Get ProtectPasswordHash
          int passwordHash = ws.ProtectPasswordHash;

          //--- Set ProtectPasswordHash
          ws.ProtectPasswordHash = 12345;
        
          '--- Get ProtectPasswordHash
          Dim passwordHash = ws.ProtectPasswordHash

          '--- Set ProtectPasswordHash
          ws.ProtectPasswordHash = 12345