Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / xsp / System / Web / UI / WebControls / ColumnCollection.cs / 1 / ColumnCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.Web.UI; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class DataGridColumnCollection : ICollection, IStateManager { private DataGrid owner; private ArrayList columns; private bool marked; ///Represents the collection of columns to be displayed in /// a ////// control. /// public DataGridColumnCollection(DataGrid owner, ArrayList columns) { this.owner = owner; this.columns = columns; } ///Initializes a new instance of ///class. /// [ Browsable(false) ] public int Count { get { return columns.Count; } } ///Gets the number of columns in the collection. This property is read-only. ////// [ Browsable(false) ] public bool IsReadOnly { get { return false; } } ///Gets a value that specifies whether items in the ///can be /// modified. This property is read-only. /// [ Browsable(false) ] public bool IsSynchronized { get { return false; } } ///Gets a value that indicates whether the ///is thread-safe. This property is read-only. /// [ Browsable(false) ] public Object SyncRoot { get { return this; } } ///Gets the object used to synchronize access to the collection. This property is read-only. ////// [ Browsable(false) ] public DataGridColumn this[int index] { get { return (DataGridColumn)columns[index]; } } ///Gets a ///at the specified index in the /// collection. /// public void Add(DataGridColumn column) { AddAt(-1, column); } ///Appends a ///to the collection. /// public void AddAt(int index, DataGridColumn column) { if (column == null) { throw new ArgumentNullException("column"); } if (index == -1) { columns.Add(column); } else { columns.Insert(index, column); } column.SetOwner(owner); if (marked) ((IStateManager)column).TrackViewState(); OnColumnsChanged(); } ///Inserts a ///to the collection /// at the specified index. /// public void Clear() { columns.Clear(); OnColumnsChanged(); } ///Empties the collection of all ///objects. /// public void CopyTo(Array array, int index) { if (array == null) { throw new ArgumentNullException("array"); } for (IEnumerator e = this.GetEnumerator(); e.MoveNext();) array.SetValue(e.Current, index++); } ///Copies the contents of the entire collection into an ///appending at /// the specified index of the . /// public IEnumerator GetEnumerator() { return columns.GetEnumerator(); } ///Creates an enumerator for the ///used to iterate through the collection. /// public int IndexOf(DataGridColumn column) { if (column != null) { return columns.IndexOf(column); } return -1; } ///Returns the index of the first occurrence of a value in a ///. /// private void OnColumnsChanged() { if (owner != null) { owner.OnColumnsChanged(); } } ////// public void RemoveAt(int index) { if ((index >= 0) && (index < Count)) { columns.RemoveAt(index); OnColumnsChanged(); } else { throw new ArgumentOutOfRangeException("index"); } } ///Removes a ///from the collection at the specified /// index. /// public void Remove(DataGridColumn column) { int index = IndexOf(column); if (index >= 0) { RemoveAt(index); } } ///Removes the specified ///from the collection. /// /// Return true if tracking state changes. /// bool IStateManager.IsTrackingViewState { get { return marked; } } ////// /// Load previously saved state. /// void IStateManager.LoadViewState(object savedState) { if (savedState != null) { object[] columnsState = (object[])savedState; if (columnsState.Length == columns.Count) { for (int i = 0; i < columnsState.Length; i++) { if (columnsState[i] != null) { ((IStateManager)columns[i]).LoadViewState(columnsState[i]); } } } } } ////// /// Start tracking state changes. /// void IStateManager.TrackViewState() { marked = true; int columnCount = columns.Count; for (int i = 0; i < columnCount; i++) { ((IStateManager)columns[i]).TrackViewState(); } } ////// /// Return object containing state changes. /// object IStateManager.SaveViewState() { int columnCount = columns.Count; object[] columnsState = new object[columnCount]; bool savedState = false; for (int i = 0; i < columnCount; i++) { columnsState[i] = ((IStateManager)columns[i]).SaveViewState(); if (columnsState[i] != null) savedState = true; } return savedState ? columnsState : null; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.Web.UI; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class DataGridColumnCollection : ICollection, IStateManager { private DataGrid owner; private ArrayList columns; private bool marked; ///Represents the collection of columns to be displayed in /// a ////// control. /// public DataGridColumnCollection(DataGrid owner, ArrayList columns) { this.owner = owner; this.columns = columns; } ///Initializes a new instance of ///class. /// [ Browsable(false) ] public int Count { get { return columns.Count; } } ///Gets the number of columns in the collection. This property is read-only. ////// [ Browsable(false) ] public bool IsReadOnly { get { return false; } } ///Gets a value that specifies whether items in the ///can be /// modified. This property is read-only. /// [ Browsable(false) ] public bool IsSynchronized { get { return false; } } ///Gets a value that indicates whether the ///is thread-safe. This property is read-only. /// [ Browsable(false) ] public Object SyncRoot { get { return this; } } ///Gets the object used to synchronize access to the collection. This property is read-only. ////// [ Browsable(false) ] public DataGridColumn this[int index] { get { return (DataGridColumn)columns[index]; } } ///Gets a ///at the specified index in the /// collection. /// public void Add(DataGridColumn column) { AddAt(-1, column); } ///Appends a ///to the collection. /// public void AddAt(int index, DataGridColumn column) { if (column == null) { throw new ArgumentNullException("column"); } if (index == -1) { columns.Add(column); } else { columns.Insert(index, column); } column.SetOwner(owner); if (marked) ((IStateManager)column).TrackViewState(); OnColumnsChanged(); } ///Inserts a ///to the collection /// at the specified index. /// public void Clear() { columns.Clear(); OnColumnsChanged(); } ///Empties the collection of all ///objects. /// public void CopyTo(Array array, int index) { if (array == null) { throw new ArgumentNullException("array"); } for (IEnumerator e = this.GetEnumerator(); e.MoveNext();) array.SetValue(e.Current, index++); } ///Copies the contents of the entire collection into an ///appending at /// the specified index of the . /// public IEnumerator GetEnumerator() { return columns.GetEnumerator(); } ///Creates an enumerator for the ///used to iterate through the collection. /// public int IndexOf(DataGridColumn column) { if (column != null) { return columns.IndexOf(column); } return -1; } ///Returns the index of the first occurrence of a value in a ///. /// private void OnColumnsChanged() { if (owner != null) { owner.OnColumnsChanged(); } } ////// public void RemoveAt(int index) { if ((index >= 0) && (index < Count)) { columns.RemoveAt(index); OnColumnsChanged(); } else { throw new ArgumentOutOfRangeException("index"); } } ///Removes a ///from the collection at the specified /// index. /// public void Remove(DataGridColumn column) { int index = IndexOf(column); if (index >= 0) { RemoveAt(index); } } ///Removes the specified ///from the collection. /// /// Return true if tracking state changes. /// bool IStateManager.IsTrackingViewState { get { return marked; } } ////// /// Load previously saved state. /// void IStateManager.LoadViewState(object savedState) { if (savedState != null) { object[] columnsState = (object[])savedState; if (columnsState.Length == columns.Count) { for (int i = 0; i < columnsState.Length; i++) { if (columnsState[i] != null) { ((IStateManager)columns[i]).LoadViewState(columnsState[i]); } } } } } ////// /// Start tracking state changes. /// void IStateManager.TrackViewState() { marked = true; int columnCount = columns.Count; for (int i = 0; i < columnCount; i++) { ((IStateManager)columns[i]).TrackViewState(); } } ////// /// Return object containing state changes. /// object IStateManager.SaveViewState() { int columnCount = columns.Count; object[] columnsState = new object[columnCount]; bool savedState = false; for (int i = 0; i < columnCount; i++) { columnsState[i] = ((IStateManager)columns[i]).SaveViewState(); if (columnsState[i] != null) savedState = true; } return savedState ? columnsState : null; } } } // 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
- ColorContextHelper.cs
- EntitySqlQueryCacheKey.cs
- RegistryExceptionHelper.cs
- UnauthorizedAccessException.cs
- CodeRemoveEventStatement.cs
- RelatedPropertyManager.cs
- XamlReaderHelper.cs
- PersonalizationProviderHelper.cs
- QilReplaceVisitor.cs
- FixedStringLookup.cs
- BinarySecretKeyIdentifierClause.cs
- XmlDataProvider.cs
- TemplateBindingExpression.cs
- GetPageCompletedEventArgs.cs
- Ref.cs
- MetafileHeaderWmf.cs
- PropertyTabChangedEvent.cs
- IncrementalCompileAnalyzer.cs
- DataColumnMappingCollection.cs
- MsmqInputMessagePool.cs
- ScriptManagerProxy.cs
- ReflectPropertyDescriptor.cs
- VBIdentifierDesigner.xaml.cs
- ElementHostPropertyMap.cs
- CryptoConfig.cs
- FontFamilyIdentifier.cs
- Assembly.cs
- XmlSchemaGroupRef.cs
- FormViewPageEventArgs.cs
- srgsitem.cs
- TCPClient.cs
- PenLineJoinValidation.cs
- IntersectQueryOperator.cs
- ProcessModule.cs
- DataGridViewRow.cs
- XmlAttributeOverrides.cs
- UnsafeNativeMethods.cs
- SafeSerializationManager.cs
- SqlErrorCollection.cs
- NumberFunctions.cs
- WorkflowRuntimeService.cs
- CancelEventArgs.cs
- GetPageNumberCompletedEventArgs.cs
- DateTimeUtil.cs
- Model3D.cs
- M3DUtil.cs
- PropertiesTab.cs
- SettingsPropertyWrongTypeException.cs
- Privilege.cs
- WebBrowserBase.cs
- ProviderUtil.cs
- ListViewUpdatedEventArgs.cs
- FormViewDeleteEventArgs.cs
- UriParserTemplates.cs
- TrackBarRenderer.cs
- DesignerVerbCollection.cs
- ObjectSelectorEditor.cs
- XmlNodeChangedEventManager.cs
- ConditionCollection.cs
- InkCanvasFeedbackAdorner.cs
- MaterializeFromAtom.cs
- WpfXamlMember.cs
- ResourceDisplayNameAttribute.cs
- WmlValidationSummaryAdapter.cs
- XmlLinkedNode.cs
- ZipIOCentralDirectoryFileHeader.cs
- MultitargetUtil.cs
- TemplateContent.cs
- JumpTask.cs
- RowToParametersTransformer.cs
- VirtualPathUtility.cs
- Mappings.cs
- hwndwrapper.cs
- GeneralTransform3DTo2DTo3D.cs
- UnsafeNativeMethods.cs
- InternalTransaction.cs
- SqlReferenceCollection.cs
- CompilerGlobalScopeAttribute.cs
- Propagator.cs
- Trigger.cs
- LOSFormatter.cs
- MemberDomainMap.cs
- login.cs
- UriPrefixTable.cs
- SynthesizerStateChangedEventArgs.cs
- XPathBuilder.cs
- XmlObjectSerializerReadContextComplex.cs
- ProcessStartInfo.cs
- XmlCharCheckingWriter.cs
- rsa.cs
- HostProtectionPermission.cs
- TraceListeners.cs
- ThreadPool.cs
- CompositionDesigner.cs
- HttpContextWrapper.cs
- DiagnosticEventProvider.cs
- CodeCatchClauseCollection.cs
- DirectoryObjectSecurity.cs
- DataGridParentRows.cs
- BlurBitmapEffect.cs