Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / 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
- CompiledRegexRunner.cs
- ParallelQuery.cs
- PeerInputChannel.cs
- HttpApplicationFactory.cs
- FormViewUpdatedEventArgs.cs
- BooleanAnimationBase.cs
- AutomationPropertyInfo.cs
- StructureChangedEventArgs.cs
- SecondaryViewProvider.cs
- CapabilitiesUse.cs
- ImportCatalogPart.cs
- C14NUtil.cs
- WmlLinkAdapter.cs
- FormViewModeEventArgs.cs
- ObjectDataSourceSelectingEventArgs.cs
- XmlSchemaSimpleType.cs
- SchemaElementDecl.cs
- BuildDependencySet.cs
- SiteMapPath.cs
- TextBoxRenderer.cs
- InstanceCreationEditor.cs
- SecureEnvironment.cs
- EdmValidator.cs
- InputDevice.cs
- SequenceDesigner.cs
- HtmlFormWrapper.cs
- TaskDesigner.cs
- PathNode.cs
- SqlDesignerDataSourceView.cs
- SystemIPv4InterfaceProperties.cs
- DataError.cs
- AutoCompleteStringCollection.cs
- X509SubjectKeyIdentifierClause.cs
- BrushConverter.cs
- TextModifier.cs
- SqlConnection.cs
- ListenerAdapterBase.cs
- MetadataCacheItem.cs
- BaseProcessor.cs
- InterleavedZipPartStream.cs
- BindingValueChangedEventArgs.cs
- ToolStripComboBox.cs
- SafeFileHandle.cs
- FlowDocument.cs
- X509ServiceCertificateAuthenticationElement.cs
- MultiPropertyDescriptorGridEntry.cs
- Cursor.cs
- TrackingWorkflowEventArgs.cs
- ContentDisposition.cs
- PropertyPushdownHelper.cs
- X509InitiatorCertificateServiceElement.cs
- Int32Converter.cs
- ApplicationManager.cs
- CorrelationTokenTypeConvertor.cs
- BadImageFormatException.cs
- NetworkInterface.cs
- unsafenativemethodsother.cs
- TextTrailingWordEllipsis.cs
- GACMembershipCondition.cs
- SortableBindingList.cs
- RandomNumberGenerator.cs
- XmlDocument.cs
- IndicCharClassifier.cs
- TagPrefixAttribute.cs
- StoragePropertyMapping.cs
- KeySplineConverter.cs
- GeometryDrawing.cs
- RecognizerStateChangedEventArgs.cs
- ConsumerConnectionPoint.cs
- GenericIdentity.cs
- CodeCommentStatement.cs
- MenuItemCollection.cs
- TrustManager.cs
- HtmlValidationSummaryAdapter.cs
- smtpconnection.cs
- Bits.cs
- SqlBulkCopy.cs
- SendActivityDesigner.cs
- EntityTypeBase.cs
- HealthMonitoringSectionHelper.cs
- DataGridTextBox.cs
- GuidelineSet.cs
- DataTemplateSelector.cs
- MemberRestriction.cs
- EncoderBestFitFallback.cs
- PlatformNotSupportedException.cs
- MatcherBuilder.cs
- GeometryConverter.cs
- SearchForVirtualItemEventArgs.cs
- MorphHelpers.cs
- IconConverter.cs
- RangeBaseAutomationPeer.cs
- HttpCachePolicyElement.cs
- SecurityTokenParametersEnumerable.cs
- QuadTree.cs
- ActivityFunc.cs
- HttpConfigurationContext.cs
- Stylus.cs
- ClientSettingsSection.cs
- EventLogTraceListener.cs