130private static readonly NativeDBType D_Binary = new NativeDBType(0xff, -1, true, false, OleDbType.Binary, NativeDBType.BYTES, S_BINARY, typeof(byte[]), NativeDBType.BYTES, DbType.Binary); // 0 131private static readonly NativeDBType D_Boolean = new NativeDBType(0xff, 2, true, false, OleDbType.Boolean, NativeDBType.BOOL, S_BOOL, typeof(bool), NativeDBType.BOOL, DbType.Boolean); // 1 - integer2 (variant_bool) 132private static readonly NativeDBType D_BSTR = new NativeDBType(0xff, IntPtr.Size, false, false, OleDbType.BSTR, NativeDBType.BSTR, S_BSTR, typeof(string), NativeDBType.BSTR, DbType.String); // 2 - integer4 (pointer) 133private static readonly NativeDBType D_Char = new NativeDBType(0xff, -1, true, false, OleDbType.Char, NativeDBType.STR, S_CHAR, typeof(string), NativeDBType.WSTR/*STR*/, DbType.AnsiStringFixedLength); // 3 - (ansi pointer) 134private static readonly NativeDBType D_Currency = new NativeDBType(19, 8, true, false, OleDbType.Currency, NativeDBType.CY, S_CY, typeof(decimal), NativeDBType.CY, DbType.Currency); // 4 - integer8 135private static readonly NativeDBType D_Date = new NativeDBType(0xff, 8, true, false, OleDbType.Date, NativeDBType.DATE, S_DATE, typeof(System.DateTime), NativeDBType.DATE, DbType.DateTime); // 5 - double 136private static readonly NativeDBType D_DBDate = new NativeDBType(0xff, 6, true, false, OleDbType.DBDate, NativeDBType.DBDATE, S_DBDATE, typeof(System.DateTime), NativeDBType.DBDATE, DbType.Date); // 6 - (tagDBDate) 137private static readonly NativeDBType D_DBTime = new NativeDBType(0xff, 6, true, false, OleDbType.DBTime, NativeDBType.DBTIME, S_DBTIME, typeof(System.TimeSpan), NativeDBType.DBTIME, DbType.Time); // 7 - (tagDBTime) 138private static readonly NativeDBType D_DBTimeStamp = new NativeDBType(0xff, 16, true, false, OleDbType.DBTimeStamp, NativeDBType.DBTIMESTAMP, S_DBTIMESTAMP, typeof(System.DateTime), NativeDBType.DBTIMESTAMP, DbType.DateTime); // 8 - (tagDBTIMESTAMP) 139private static readonly NativeDBType D_Decimal = new NativeDBType(28, 16, true, false, OleDbType.Decimal, NativeDBType.DECIMAL, S_DECIMAL, typeof(decimal), NativeDBType.DECIMAL, DbType.Decimal); // 9 - (tagDec) 140private static readonly NativeDBType D_Error = new NativeDBType(0xff, 4, true, false, OleDbType.Error, NativeDBType.ERROR, S_ERROR, typeof(int), NativeDBType.ERROR, DbType.Int32); // 10 - integer4 141private static readonly NativeDBType D_Filetime = new NativeDBType(0xff, 8, true, false, OleDbType.Filetime, NativeDBType.FILETIME, S_FILETIME, typeof(System.DateTime), NativeDBType.FILETIME, DbType.DateTime); // 11 - integer8 142private static readonly NativeDBType D_Guid = new NativeDBType(0xff, 16, true, false, OleDbType.Guid, NativeDBType.GUID, S_GUID, typeof(System.Guid), NativeDBType.GUID, DbType.Guid); // 12 - ubyte[16] 143private static readonly NativeDBType D_TinyInt = new NativeDBType(3, 1, true, false, OleDbType.TinyInt, NativeDBType.I1, S_I1, typeof(short), NativeDBType.I1, DbType.SByte); // 13 - integer1 144private static readonly NativeDBType D_SmallInt = new NativeDBType(5, 2, true, false, OleDbType.SmallInt, NativeDBType.I2, S_I2, typeof(short), NativeDBType.I2, DbType.Int16); // 14 - integer2 145private static readonly NativeDBType D_Integer = new NativeDBType(10, 4, true, false, OleDbType.Integer, NativeDBType.I4, S_I4, typeof(int), NativeDBType.I4, DbType.Int32); // 15 - integer4 146private static readonly NativeDBType D_BigInt = new NativeDBType(19, 8, true, false, OleDbType.BigInt, NativeDBType.I8, S_I8, typeof(long), NativeDBType.I8, DbType.Int64); // 16 - integer8 147private static readonly NativeDBType D_IDispatch = new NativeDBType(0xff, IntPtr.Size, true, false, OleDbType.IDispatch, NativeDBType.IDISPATCH, S_IDISPATCH, typeof(object), NativeDBType.IDISPATCH, DbType.Object); // 17 - integer4 (pointer) 148private static readonly NativeDBType D_IUnknown = new NativeDBType(0xff, IntPtr.Size, true, false, OleDbType.IUnknown, NativeDBType.IUNKNOWN, S_IUNKNOWN, typeof(object), NativeDBType.IUNKNOWN, DbType.Object); // 18 - integer4 (pointer) 149private static readonly NativeDBType D_LongVarBinary = new NativeDBType(0xff, -1, false, true, OleDbType.LongVarBinary, NativeDBType.BYTES, S_LONGVARBINARY, typeof(byte[]), NativeDBType.BYTES, DbType.Binary); // 19 150private static readonly NativeDBType D_LongVarChar = new NativeDBType(0xff, -1, false, true, OleDbType.LongVarChar, NativeDBType.STR, S_LONGVARCHAR, typeof(string), NativeDBType.WSTR/*STR*/, DbType.AnsiString); // 20 - (ansi pointer) 151private static readonly NativeDBType D_Numeric = new NativeDBType(28, 19, true, false, OleDbType.Numeric, NativeDBType.NUMERIC, S_NUMERIC, typeof(decimal), NativeDBType.NUMERIC, DbType.Decimal); // 21 - (tagDB_Numeric) 152private static readonly unsafe NativeDBType D_PropVariant = new NativeDBType(0xff, sizeof(ComVariant), true, false, OleDbType.PropVariant, NativeDBType.PROPVARIANT, S_PROPVARIANT, typeof(object), NativeDBType.VARIANT, DbType.Object); // 22 153private static readonly NativeDBType D_Single = new NativeDBType(7, 4, true, false, OleDbType.Single, NativeDBType.R4, S_R4, typeof(float), NativeDBType.R4, DbType.Single); // 23 - single 154private static readonly NativeDBType D_Double = new NativeDBType(15, 8, true, false, OleDbType.Double, NativeDBType.R8, S_R8, typeof(double), NativeDBType.R8, DbType.Double); // 24 - double 155private static readonly NativeDBType D_UnsignedTinyInt = new NativeDBType(3, 1, true, false, OleDbType.UnsignedTinyInt, NativeDBType.UI1, S_UI1, typeof(byte), NativeDBType.UI1, DbType.Byte); // 25 - byte7 156private static readonly NativeDBType D_UnsignedSmallInt = new NativeDBType(5, 2, true, false, OleDbType.UnsignedSmallInt, NativeDBType.UI2, S_UI2, typeof(int), NativeDBType.UI2, DbType.UInt16); // 26 - unsigned integer2 157private static readonly NativeDBType D_UnsignedInt = new NativeDBType(10, 4, true, false, OleDbType.UnsignedInt, NativeDBType.UI4, S_UI4, typeof(long), NativeDBType.UI4, DbType.UInt32); // 27 - unsigned integer4 158private static readonly NativeDBType D_UnsignedBigInt = new NativeDBType(20, 8, true, false, OleDbType.UnsignedBigInt, NativeDBType.UI8, S_UI8, typeof(decimal), NativeDBType.UI8, DbType.UInt64); // 28 - unsigned integer8 159private static readonly NativeDBType D_VarBinary = new NativeDBType(0xff, -1, false, false, OleDbType.VarBinary, NativeDBType.BYTES, S_VARBINARY, typeof(byte[]), NativeDBType.BYTES, DbType.Binary); // 29 160private static readonly NativeDBType D_VarChar = new NativeDBType(0xff, -1, false, false, OleDbType.VarChar, NativeDBType.STR, S_VARCHAR, typeof(string), NativeDBType.WSTR/*STR*/, DbType.AnsiString); // 30 - (ansi pointer) 161private static readonly NativeDBType D_Variant = new NativeDBType(0xff, ODB.SizeOf_Variant, true, false, OleDbType.Variant, NativeDBType.VARIANT, S_VARIANT, typeof(object), NativeDBType.VARIANT, DbType.Object); // 31 - ubyte[16] (variant) 162private static readonly NativeDBType D_VarNumeric = new NativeDBType(255, 16, true, false, OleDbType.VarNumeric, NativeDBType.VARNUMERIC, S_VARNUMERIC, typeof(decimal), NativeDBType.DECIMAL, DbType.VarNumeric); // 32 - (unicode pointer) 163private static readonly NativeDBType D_WChar = new NativeDBType(0xff, -1, true, false, OleDbType.WChar, NativeDBType.WSTR, S_WCHAR, typeof(string), NativeDBType.WSTR, DbType.StringFixedLength); // 33 - (unicode pointer) 164private static readonly NativeDBType D_VarWChar = new NativeDBType(0xff, -1, false, false, OleDbType.VarWChar, NativeDBType.WSTR, S_WVARCHAR, typeof(string), NativeDBType.WSTR, DbType.String); // 34 - (unicode pointer) 165private static readonly NativeDBType D_LongVarWChar = new NativeDBType(0xff, -1, false, true, OleDbType.LongVarWChar, NativeDBType.WSTR, S_WLONGVARCHAR, typeof(string), NativeDBType.WSTR, DbType.String); // 35 - (unicode pointer) 166private static readonly NativeDBType D_Chapter = new NativeDBType(0xff, IntPtr.Size, false, false, OleDbType.Empty, NativeDBType.HCHAPTER, S_UDT, typeof(IDataReader), NativeDBType.HCHAPTER, DbType.Object); // 36 - (hierarchical chaper) 167private static readonly NativeDBType D_Empty = new NativeDBType(0xff, 0, false, false, OleDbType.Empty, NativeDBType.EMPTY, "", null, NativeDBType.EMPTY, DbType.Object); // 37 - invalid param default 168private static readonly NativeDBType D_Xml = new NativeDBType(0xff, -1, false, false, OleDbType.VarWChar, NativeDBType.XML, S_XML, typeof(string), NativeDBType.WSTR, DbType.String); // 38 - (unicode pointer) 169private static readonly NativeDBType D_Udt = new NativeDBType(0xff, -1, false, false, OleDbType.VarBinary, NativeDBType.UDT, S_BINARY, typeof(byte[]), NativeDBType.BYTES, DbType.Binary); // 39 - (unicode pointer)