NpgsqlParameter Constructor (String, DbType, Int32)

[Visual Basic]
Overloads Public Sub New( _
   ByVal parameterName As String, _
   ByVal parameterType As DbType, _
   ByVal size As Integer _
)

[C#]
public NpgsqlParameter(
   string parameterName,
   DbType parameterType,
   int size
);