84 references to PtrZero
System.Data (84)
fx\src\data\System\Data\Common\SafeNativeMethods.cs (1)
148SafeNativeMethods.SetErrorInfo(0, ADP.PtrZero);
fx\src\data\System\Data\Odbc\Odbc32.cs (2)
270static internal readonly IntPtr SQL_AUTOCOMMIT_OFF = ADP.PtrZero; 575static internal readonly IntPtr SQL_HANDLE_NULL = ADP.PtrZero;
fx\src\data\System\Data\Odbc\OdbcConnectionHandle.cs (3)
195retcode = UnsafeNativeMethods.SQLDriverConnectW(this, ADP.PtrZero, connectionString, ODBC32.SQL_NTS, ADP.PtrZero, 0, out cbActualSize, (short)ODBC32.SQL_DRIVER.NOPROMPT); 242ODBC32.RetCode retcode = UnsafeNativeMethods.SQLGetInfoW(this, info, buffer, checked((short)buffer.Length), ADP.PtrZero);
fx\src\data\System\Data\Odbc\OdbcHandle.cs (3)
81if((ADP.PtrZero == base.handle) || (ODBC32.RetCode.SUCCESS != retcode)) { 114if (ADP.PtrZero == base.handle) { 156Debug.Assert(ADP.PtrZero == handle, "unknown handle type");
fx\src\data\System\Data\Odbc\OdbcStatementHandle.cs (2)
81ODBC32.RetCode retcode = UnsafeNativeMethods.SQLBindCol(this, checked((ushort)columnNumber), targetType, ADP.PtrZero, ADP.PtrZero, srLen_or_Ind);
fx\src\data\System\Data\OleDb\ColumnBinding.cs (6)
579if (ADP.PtrZero != ptr) { 608if (ADP.PtrZero != ptr) { 630IntPtr ptr = ADP.PtrZero; 649if (ADP.PtrZero != ptr) { 670IntPtr ptr = ADP.PtrZero; 687IntPtr ptr = ADP.PtrZero;
fx\src\data\System\Data\OleDb\DBPropSet.cs (6)
40if (ADP.PtrZero != base.handle) { 44if (ADP.PtrZero == base.handle) { 123if (ADP.PtrZero != ptr) { 129if(ADP.PtrZero != rgProperties) { 217if (ADP.PtrZero != propset.rgProperties) { 226if (ADP.PtrZero == propset.rgProperties) {
fx\src\data\System\Data\OleDb\OLEDB_Util.cs (3)
501static internal readonly IntPtr DB_INVALID_HACCESSOR = ADP.PtrZero; 502static internal readonly IntPtr DB_NULL_HCHAPTER = ADP.PtrZero; 503static internal readonly IntPtr DB_NULL_HROW = ADP.PtrZero;
fx\src\data\System\Data\OleDb\OleDbCommand.cs (10)
778hr = _icommandText.Execute(ADP.PtrZero, ref ODB.IID_IMultipleResults, dbParams, out _recordsAffected, out executeResult); 795hr = _icommandText.Execute(ADP.PtrZero, ref ODB.IID_IRowset, dbParams, out _recordsAffected, out executeResult); 800hr = _icommandText.Execute(ADP.PtrZero, ref ODB.IID_NULL, dbParams, out _recordsAffected, out executeResult); 814hr = _icommandText.Execute(ADP.PtrZero, ref ODB.IID_IRow, dbParams, out _recordsAffected, out executeResult); 920hr = iopenRowset.Value.OpenRowset(ADP.PtrZero, tableID, ADP.PtrZero, ref ODB.IID_IRowset, propSet.PropertySetCount, propSet.DangerousGetHandle(), out executeResult); 932hr = iopenRowset.Value.OpenRowset(ADP.PtrZero, tableID, ADP.PtrZero, ref ODB.IID_IRowset, 0, IntPtr.Zero, out executeResult); 938hr = iopenRowset.Value.OpenRowset(ADP.PtrZero, tableID, ADP.PtrZero, ref ODB.IID_IRowset, 0, IntPtr.Zero, out executeResult);
fx\src\data\System\Data\OleDb\OleDbConnectionInternal.cs (8)
394IntPtr literalInfo = ADP.PtrZero; 505IntPtr literalInfo = ADP.PtrZero; 541IntPtr schemaGuids = ADP.PtrZero; 542IntPtr schemaRestrictions = ADP.PtrZero; 551if (ADP.PtrZero != schemaGuids) { 557if (ADP.PtrZero != schemaRestrictions) { 586hr = dbSchemaRowset.GetRowset(ADP.PtrZero, ref schema, restrictions.Length, restrictions, ref ODB.IID_IRowset, 0, ADP.PtrZero, out rowset);
fx\src\data\System\Data\OleDb\OleDbDataReader.cs (13)
441IntPtr columnCount = ADP.PtrZero; // column count 442IntPtr columnInfos = ADP.PtrZero; // ptr to byvalue tagDBCOLUMNINFO[] 527if (ADP.PtrZero != dbColumnInfo.columnid.ulPropid) { 535info.propid = ADP.PtrZero; 574hr = icolumnsRowset.GetColumnsRowset(ADP.PtrZero, cOptColumns, prgOptColumns, ref ODB.IID_IRowset, 0, ADP.PtrZero, out rowset); 1122hr = imultipleResults.GetResult(ADP.PtrZero, ODB.DBRESULTFLAG_DEFAULT, ref ODB.IID_NULL, out affected, out result); 1205hr = imultipleResults.GetResult(ADP.PtrZero, ODB.DBRESULTFLAG_DEFAULT, ref ODB.IID_IRowset, out affected, out result); 1355if ((ADP.PtrZero == _rowHandleFetchCount) || (20 <= (int)_rowHandleFetchCount)) { 1361if ((ADP.PtrZero == _rowHandleFetchCount) || (20 <= (long)_rowHandleFetchCount)) { 1628hr = irowset.ReleaseRows(_rowFetchedCount, _rowHandleNativeBuffer, ADP.PtrZero, ADP.PtrZero, ADP.PtrZero);
fx\src\data\System\Data\OleDb\OleDbEnumerator.cs (2)
60IntPtr propSets = ADP.PtrZero; 63OleDbHResult hr = srcrowset.GetSourcesRowset(ADP.PtrZero, ODB.IID_IRowset, propCount, propSets, out value);
fx\src\data\System\Data\OleDb\OleDbParameter.cs (1)
375bindings.Name = ADP.PtrZero;
fx\src\data\System\Data\OleDb\PropertyInfoSet.cs (2)
52if ((0 <= hr) && (ADP.PtrZero != handle)) { 70if (ADP.PtrZero != this.handle) {
fx\src\data\System\Data\OleDb\RowBinding.cs (11)
195IntPtr buffer = ADP.PtrZero; 261if (ADP.PtrZero == pinnedValue) { // empty array scenario 354Debug.Assert(ADP.PtrZero != buffer && _needToReset && _haveData, "shouldn't be calling ResetValues"); 430IntPtr chapter = SafeNativeMethods.InterlockedExchangePointer(ADP.IntPtrOffset(buffer, valueOffset), ADP.PtrZero); 450if ((ADP.PtrZero != currentValue) && (currentValue != originalValue)) { 453if (ADP.PtrZero != originalValue) { 458Marshal.WriteIntPtr(buffer, valueOffset, ADP.PtrZero); 459Marshal.WriteIntPtr(buffer, valueOffset + ADP.PtrSize, ADP.PtrZero); 475if ((ADP.PtrZero != currentValue) && (currentValue != originalValue)) { 480Marshal.WriteIntPtr(buffer, valueOffset, ADP.PtrZero); 481Marshal.WriteIntPtr(buffer, valueOffset + ADP.PtrSize, ADP.PtrZero);
fx\src\data\System\Data\Sql\SqlDataSourceEnumerator.cs (3)
51IntPtr handle = ADP.PtrZero; 61if (ADP.PtrZero != handle) { 75if (ADP.PtrZero != handle) {
fx\src\data\System\Data\SqlClient\SqlConnection.cs (5)
1892if (ADP.PtrZero != hFileMap) { 1894if (ADP.PtrZero != pMemMap) { 2150Debug.Assert(ADP.PtrZero != sdc.pMemMap, "SQL Debug: invalid null value for pMemMap!"); 2569internal IntPtr pMemMap = ADP.PtrZero; 2570internal IntPtr hMemMap = ADP.PtrZero;
fx\src\data\System\Data\SqlClient\TdsParserStateObject.cs (3)
1967Debug.Assert(ADP.PtrZero != readPacket, "ReadNetworkPacket cannot be null in syncronous operation!"); 2178Debug.Assert(ADP.PtrZero != readPacket, "ReadNetworkPacket should not have been null on this async operation!"); 2179ReadAsyncCallback(ADP.PtrZero, readPacket, 0);