Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Data / System / Data / DataViewSettingCollection.cs / 1 / DataViewSettingCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //[....] //----------------------------------------------------------------------------- namespace System.Data { using System; using System.Diagnostics; using System.ComponentModel; using System.Collections; [ Editor("Microsoft.VSDesigner.Data.Design.DataViewSettingsCollectionEditor, " + AssemblyRef.MicrosoftVSDesigner, "System.Drawing.Design.UITypeEditor, " + AssemblyRef.SystemDrawing), ] #if WINFSInternalOnly internal #else public #endif class DataViewSettingCollection : ICollection { private readonly DataViewManager dataViewManager; private readonly Hashtable list = new Hashtable(); internal DataViewSettingCollection(DataViewManager dataViewManager) { if (dataViewManager == null) { throw ExceptionBuilder.ArgumentNull("dataViewManager"); } this.dataViewManager = dataViewManager; } public virtual DataViewSetting this[DataTable table] { get { if (table == null) { throw ExceptionBuilder.ArgumentNull("table"); } DataViewSetting dataViewSetting = (DataViewSetting) list[table]; if(dataViewSetting == null) { dataViewSetting = new DataViewSetting(); this[table] = dataViewSetting; } return dataViewSetting; } set { if (table == null) { throw ExceptionBuilder.ArgumentNull("table"); } value.SetDataViewManager(dataViewManager); value.SetDataTable(table); list[table] = value; } } private DataTable GetTable(string tableName) { DataTable dt = null; DataSet ds = dataViewManager.DataSet; if(ds != null) { dt = ds.Tables[tableName]; } return dt; } private DataTable GetTable(int index) { DataTable dt = null; DataSet ds = dataViewManager.DataSet; if(ds != null) { dt = ds.Tables[index]; } return dt; } public virtual DataViewSetting this[string tableName] { get { DataTable dt = GetTable(tableName); if(dt != null) { return this[dt]; } return null; } } public virtual DataViewSetting this[int index] { get { DataTable dt = GetTable(index); if(dt != null) { return this[dt]; } return null; } set { DataTable dt = GetTable(index); if(dt != null) { this[dt] = value; }else { // throw excaption here. } } } // ----------- ICollection ------------------------- public void CopyTo(Array ar, int index) { System.Collections.IEnumerator Enumerator = GetEnumerator(); while (Enumerator.MoveNext()) { ar.SetValue(Enumerator.Current, index++); } } public void CopyTo(DataViewSetting[] ar, int index) { System.Collections.IEnumerator Enumerator = GetEnumerator(); while (Enumerator.MoveNext()) { ar.SetValue(Enumerator.Current, index++); } } [Browsable(false)] public virtual int Count { get { DataSet ds = dataViewManager.DataSet; return (ds == null) ? 0 : ds.Tables.Count; } } public IEnumerator GetEnumerator() { // I have to do something here. return new DataViewSettingsEnumerator(dataViewManager); } [ Browsable(false) ] public bool IsReadOnly { get { return true; } } [Browsable(false)] public bool IsSynchronized { get { // so the user will know that it has to lock this object return false; } } [Browsable(false)] public object SyncRoot { get { return this; } } internal void Remove(DataTable table) { list.Remove(table); } private sealed class DataViewSettingsEnumerator : IEnumerator { DataViewSettingCollection dataViewSettings; IEnumerator tableEnumerator; public DataViewSettingsEnumerator(DataViewManager dvm) { DataSet ds = dvm.DataSet; if(ds != null) { dataViewSettings = dvm.DataViewSettings; tableEnumerator = dvm.DataSet.Tables.GetEnumerator(); }else { dataViewSettings = null; tableEnumerator = DataSet.zeroTables.GetEnumerator(); } } public bool MoveNext() { return tableEnumerator.MoveNext(); } public void Reset() { tableEnumerator.Reset(); } public object Current { get { return dataViewSettings[(DataTable) tableEnumerator.Current]; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ResourceCategoryAttribute.cs
- WebChannelFactory.cs
- WindowsRichEditRange.cs
- EqualityComparer.cs
- SplineKeyFrames.cs
- SubMenuStyle.cs
- MimeReflector.cs
- AsyncStreamReader.cs
- DiffuseMaterial.cs
- GroupQuery.cs
- TableCell.cs
- OleServicesContext.cs
- XhtmlBasicLiteralTextAdapter.cs
- SqlServices.cs
- RSAPKCS1KeyExchangeFormatter.cs
- EnumBuilder.cs
- ColumnHeaderConverter.cs
- MatrixStack.cs
- SafeEventLogReadHandle.cs
- InvalidProgramException.cs
- FormViewPagerRow.cs
- OneOfScalarConst.cs
- ExpressionBuilder.cs
- RequestBringIntoViewEventArgs.cs
- SettingsAttributeDictionary.cs
- CustomValidator.cs
- ServiceOperationListItem.cs
- ImageAttributes.cs
- XmlNotation.cs
- SortKey.cs
- TrustManagerPromptUI.cs
- Axis.cs
- PieceDirectory.cs
- BitmapData.cs
- GenericIdentity.cs
- Dictionary.cs
- LinkTarget.cs
- PropertyValueUIItem.cs
- _HelperAsyncResults.cs
- SamlSubjectStatement.cs
- TableCellCollection.cs
- ExtendedProperty.cs
- IItemProperties.cs
- XmlText.cs
- BooleanConverter.cs
- SpnegoTokenAuthenticator.cs
- ViewPort3D.cs
- Rotation3DAnimation.cs
- EventNotify.cs
- PropertyToken.cs
- ComNativeDescriptor.cs
- mediaeventargs.cs
- SettingsPropertyValue.cs
- ConnectionPoint.cs
- KeySpline.cs
- JsonSerializer.cs
- UnmanagedMemoryStreamWrapper.cs
- ButtonAutomationPeer.cs
- ErrorProvider.cs
- FileAuthorizationModule.cs
- SchemaObjectWriter.cs
- SynchronizationScope.cs
- AdvancedBindingEditor.cs
- XmlName.cs
- UnsafeNativeMethods.cs
- CompilerGeneratedAttribute.cs
- Attributes.cs
- PartialTrustHelpers.cs
- SqlDataSourceSelectingEventArgs.cs
- SecondaryIndexList.cs
- MenuItemBinding.cs
- DispatcherTimer.cs
- ListBoxItemWrapperAutomationPeer.cs
- ListBindingHelper.cs
- DefaultCommandConverter.cs
- ImmutableObjectAttribute.cs
- PreservationFileReader.cs
- CTreeGenerator.cs
- MenuItemCollection.cs
- EntityKeyElement.cs
- WebConfigurationHost.cs
- XmlEncoding.cs
- EditorPart.cs
- SecurityDescriptor.cs
- SchemaComplexType.cs
- ExpandoObject.cs
- OutputCacheSettings.cs
- TPLETWProvider.cs
- LineGeometry.cs
- XmlNamespaceDeclarationsAttribute.cs
- PersonalizableTypeEntry.cs
- DataGridViewComboBoxCell.cs
- X509RawDataKeyIdentifierClause.cs
- BamlRecordWriter.cs
- SQLInt64.cs
- DBSchemaTable.cs
- SeekStoryboard.cs
- XmlNodeWriter.cs
- Panel.cs
- DayRenderEvent.cs