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
- XmlSchemaImport.cs
- PtsCache.cs
- Control.cs
- HashSetDebugView.cs
- EndOfStreamException.cs
- OpenTypeLayout.cs
- HuffmanTree.cs
- BindingExpressionUncommonField.cs
- ProvidersHelper.cs
- LZCodec.cs
- WebMessageFormatHelper.cs
- SerializationFieldInfo.cs
- Trace.cs
- EventProviderTraceListener.cs
- CustomTypeDescriptor.cs
- LineVisual.cs
- Vector3DCollectionConverter.cs
- ApplicationSecurityInfo.cs
- SetMemberBinder.cs
- ImageClickEventArgs.cs
- ClaimSet.cs
- SessionSwitchEventArgs.cs
- util.cs
- ExtenderProvidedPropertyAttribute.cs
- UntrustedRecipientException.cs
- HostingEnvironment.cs
- FlowStep.cs
- Point3DAnimation.cs
- MessageSecurityOverMsmqElement.cs
- SessionStateContainer.cs
- MainMenu.cs
- HttpConfigurationContext.cs
- SymbolMethod.cs
- TrustSection.cs
- SoapHeaders.cs
- ProxyManager.cs
- HtmlShim.cs
- CodeExpressionStatement.cs
- MailAddressCollection.cs
- QilCloneVisitor.cs
- PagesChangedEventArgs.cs
- XslAstAnalyzer.cs
- XPathDescendantIterator.cs
- Animatable.cs
- FontNamesConverter.cs
- URLIdentityPermission.cs
- SaveRecipientRequest.cs
- ProviderSettings.cs
- StringValidator.cs
- DataGridViewCellLinkedList.cs
- ConstructorNeedsTagAttribute.cs
- CultureInfoConverter.cs
- RouteParser.cs
- ControlEvent.cs
- OletxResourceManager.cs
- AspNetHostingPermission.cs
- SynchronizedDispatch.cs
- RotateTransform3D.cs
- DelimitedListTraceListener.cs
- VirtualizingStackPanel.cs
- MetaForeignKeyColumn.cs
- DataControlHelper.cs
- DependsOnAttribute.cs
- SqlBulkCopy.cs
- DesignerWithHeader.cs
- FileClassifier.cs
- RelationshipSet.cs
- PtsHelper.cs
- DesignerActionVerbItem.cs
- TaiwanCalendar.cs
- FixedSOMLineCollection.cs
- AsyncStreamReader.cs
- Route.cs
- XamlSerializationHelper.cs
- CodeRegionDirective.cs
- DataGridTableCollection.cs
- ContextMenuStripActionList.cs
- DbgUtil.cs
- MetadataArtifactLoader.cs
- CreateUserWizard.cs
- XmlSchemaComplexContentExtension.cs
- IxmlLineInfo.cs
- KeyValueConfigurationCollection.cs
- InstanceOwner.cs
- SingleObjectCollection.cs
- ValidateNames.cs
- OdbcParameterCollection.cs
- EnumerableValidator.cs
- DataTableReaderListener.cs
- ContextMenu.cs
- HttpCacheParams.cs
- RoutedEventArgs.cs
- ReflectionPermission.cs
- ResXFileRef.cs
- EventRouteFactory.cs
- Attributes.cs
- OracleSqlParser.cs
- XmlDataImplementation.cs
- SectionUpdates.cs
- MenuRendererStandards.cs