Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / Data / System / Data / RelatedView.cs / 1 / RelatedView.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Diagnostics; internal sealed class RelatedView : DataView, IFilter { private readonly DataKey key; private object[] values; public RelatedView(DataColumn[] columns, object[] values) : base(columns[0].Table, false) { if (values == null) { throw ExceptionBuilder.ArgumentNull("values"); } this.key = new DataKey(columns, true); this.values = values; Debug.Assert (this.Table == key.Table, "Key.Table Must be equal to Current Table"); base.ResetRowViewCache(); } public bool Invoke(DataRow row, DataRowVersion version) { object[] keyValues = row.GetKeyValues(key, version); #if false for (int i = 0; i < keyValues.Length; i++) { Debug.WriteLine("keyvalues[" + (i).ToString() + "] = " + Convert.ToString(keyValues[i])); } for (int i = 0; i < values.Length; i++) { Debug.WriteLine("values[" + (i).ToString() + "] = " + Convert.ToString(values[i])); } #endif bool allow = true; if (keyValues.Length != values.Length) { allow = false; } else { for (int i = 0; i < keyValues.Length; i++) { if (!keyValues[i].Equals(values[i])) { allow = false; break; } } } IFilter baseFilter = base.GetFilter(); if (baseFilter != null) allow &= baseFilter.Invoke(row, version); return allow; } internal override IFilter GetFilter() { return this; } // move to OnModeChanged public override DataRowView AddNew() { DataRowView addNewRowView = base.AddNew(); addNewRowView.Row.SetKeyValues(key, values); return addNewRowView; } internal override void SetIndex(string newSort, DataViewRowState newRowStates, IFilter newRowFilter) { SetIndex2(newSort, newRowStates, newRowFilter, false); Reset(); } public override bool Equals( DataView dv) { if (dv is RelatedView == false) return false; if (!base.Equals(dv)) return false; return (CompareArray(this.key.ColumnsReference, ((RelatedView)dv).key.ColumnsReference) ||CompareArray(this.values, ((RelatedView)dv).values)); } private bool CompareArray(object[] value1, object[] value2) { if (value1.Length != value2.Length) return false; for(int i = 0; i < value1.Length; i++) { if (value1[i] != value2[i]) return false; } return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Diagnostics; internal sealed class RelatedView : DataView, IFilter { private readonly DataKey key; private object[] values; public RelatedView(DataColumn[] columns, object[] values) : base(columns[0].Table, false) { if (values == null) { throw ExceptionBuilder.ArgumentNull("values"); } this.key = new DataKey(columns, true); this.values = values; Debug.Assert (this.Table == key.Table, "Key.Table Must be equal to Current Table"); base.ResetRowViewCache(); } public bool Invoke(DataRow row, DataRowVersion version) { object[] keyValues = row.GetKeyValues(key, version); #if false for (int i = 0; i < keyValues.Length; i++) { Debug.WriteLine("keyvalues[" + (i).ToString() + "] = " + Convert.ToString(keyValues[i])); } for (int i = 0; i < values.Length; i++) { Debug.WriteLine("values[" + (i).ToString() + "] = " + Convert.ToString(values[i])); } #endif bool allow = true; if (keyValues.Length != values.Length) { allow = false; } else { for (int i = 0; i < keyValues.Length; i++) { if (!keyValues[i].Equals(values[i])) { allow = false; break; } } } IFilter baseFilter = base.GetFilter(); if (baseFilter != null) allow &= baseFilter.Invoke(row, version); return allow; } internal override IFilter GetFilter() { return this; } // move to OnModeChanged public override DataRowView AddNew() { DataRowView addNewRowView = base.AddNew(); addNewRowView.Row.SetKeyValues(key, values); return addNewRowView; } internal override void SetIndex(string newSort, DataViewRowState newRowStates, IFilter newRowFilter) { SetIndex2(newSort, newRowStates, newRowFilter, false); Reset(); } public override bool Equals( DataView dv) { if (dv is RelatedView == false) return false; if (!base.Equals(dv)) return false; return (CompareArray(this.key.ColumnsReference, ((RelatedView)dv).key.ColumnsReference) ||CompareArray(this.values, ((RelatedView)dv).values)); } private bool CompareArray(object[] value1, object[] value2) { if (value1.Length != value2.Length) return false; for(int i = 0; i < value1.Length; i++) { if (value1[i] != value2[i]) return false; } return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- GridPattern.cs
- MetabaseServerConfig.cs
- DataExchangeServiceBinder.cs
- DBConnectionString.cs
- DefaultPrintController.cs
- ReferenceEqualityComparer.cs
- AvtEvent.cs
- SocketInformation.cs
- FixedPage.cs
- ControlBuilder.cs
- DecoderExceptionFallback.cs
- DataGridViewSelectedRowCollection.cs
- Binding.cs
- Image.cs
- Literal.cs
- ConfigXmlDocument.cs
- ExtensibleClassFactory.cs
- ReferenceSchema.cs
- TextSpan.cs
- xmlglyphRunInfo.cs
- XmlStreamStore.cs
- MultiTrigger.cs
- EastAsianLunisolarCalendar.cs
- Buffer.cs
- XmlnsCache.cs
- SelectionEditingBehavior.cs
- basecomparevalidator.cs
- LOSFormatter.cs
- FloaterBaseParagraph.cs
- MonitoringDescriptionAttribute.cs
- InternalTypeHelper.cs
- PageResolution.cs
- ClientBuildManagerCallback.cs
- ParentUndoUnit.cs
- ThreadAttributes.cs
- RectangleF.cs
- SmtpNetworkElement.cs
- StringInfo.cs
- UrlPath.cs
- ControlBuilder.cs
- ClientFormsIdentity.cs
- DataViewSettingCollection.cs
- ReadOnlyPropertyMetadata.cs
- ExceptionList.cs
- UpdateRecord.cs
- ConfigurationException.cs
- DrawListViewColumnHeaderEventArgs.cs
- ColumnMapCopier.cs
- backend.cs
- HyperLinkField.cs
- XmlSequenceWriter.cs
- ResourceContainerWrapper.cs
- Animatable.cs
- MetadataItemEmitter.cs
- VariantWrapper.cs
- ValueQuery.cs
- DesignerForm.cs
- ServiceContractViewControl.cs
- WorkflowCompensationBehavior.cs
- DataObjectFieldAttribute.cs
- UIElementHelper.cs
- SemanticResultKey.cs
- RelatedPropertyManager.cs
- CngKeyCreationParameters.cs
- ProtocolsConfigurationHandler.cs
- RoleGroupCollection.cs
- PreviewKeyDownEventArgs.cs
- log.cs
- SimpleApplicationHost.cs
- LinkArea.cs
- PageCache.cs
- FontUnitConverter.cs
- TextRangeEditTables.cs
- SiteOfOriginContainer.cs
- InputMethod.cs
- QueueProcessor.cs
- ValidatorCollection.cs
- NativeMethodsCLR.cs
- SizeIndependentAnimationStorage.cs
- TransactionScopeDesigner.cs
- ReadOnlyCollection.cs
- ScrollData.cs
- DescendentsWalkerBase.cs
- WrapPanel.cs
- AspNetSynchronizationContext.cs
- AsymmetricKeyExchangeDeformatter.cs
- Timer.cs
- ToolStripScrollButton.cs
- tooltip.cs
- Descriptor.cs
- SerialPinChanges.cs
- BitmapEffectCollection.cs
- AccessedThroughPropertyAttribute.cs
- TextTreeRootTextBlock.cs
- EditBehavior.cs
- DataServiceConfiguration.cs
- OleDbDataReader.cs
- SqlProviderServices.cs
- IssuedTokenClientBehaviorsElement.cs
- CollectionViewGroup.cs