Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Configuration / System / Configuration / StringAttributeCollection.cs / 1 / StringAttributeCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Security.Permissions; using System.Collections.Generic; using System.Collections.Specialized; using System.Reflection; using System.Text; namespace System.Configuration { public sealed class CommaDelimitedStringCollection : StringCollection { private bool _Modified; private bool _ReadOnly; private string _OriginalString; // // Constructor // public CommaDelimitedStringCollection() { _ReadOnly = false; _Modified = false; _OriginalString = ToString(); } internal void FromString(string list) { char[] _delimiters = { ',' }; if (list != null) { string[] items = list.Split(_delimiters); foreach (string item in items) { string trimmedItem = item.Trim(); if (trimmedItem.Length != 0) { Add(item.Trim()); } } } _OriginalString = ToString(); _ReadOnly = false; _Modified = false; } public override string ToString() { string returnString = null; if (Count > 0) { StringBuilder sb = new StringBuilder(); foreach (string str in this) { ThrowIfContainsDelimiter(str); // Since the add methods are not virtual they could still add bad data // by casting the collection to a string collection. This check will catch // it before serialization, late is better than never. sb.Append(str.Trim()); sb.Append(','); } returnString = sb.ToString(); if (returnString.Length > 0) { returnString = returnString.Substring(0, returnString.Length - 1); } if (returnString.Length == 0) { returnString = null; } } return returnString; } private void ThrowIfReadOnly() { if (IsReadOnly == true) { throw new ConfigurationErrorsException(SR.GetString(SR.Config_base_read_only)); } } private void ThrowIfContainsDelimiter(string value) { if (value.Contains(",")) { throw new ConfigurationErrorsException(SR.GetString(SR.Config_base_value_cannot_contain,",")); } } public void SetReadOnly() { _ReadOnly = true; } public bool IsModified { get { return _Modified || (ToString() != _OriginalString); } } public new bool IsReadOnly { get { return _ReadOnly; } } // // Accessors // public new string this[int index] { get { return (string)base[index]; } set { ThrowIfReadOnly(); ThrowIfContainsDelimiter(value); _Modified = true; base[index] = value.Trim(); } } // // Methods // public new void Add(string value) { ThrowIfReadOnly(); ThrowIfContainsDelimiter(value); _Modified = true; base.Add(value.Trim()); } public new void AddRange(string[] range) { ThrowIfReadOnly(); _Modified = true; foreach (string str in range) { ThrowIfContainsDelimiter(str); base.Add(str.Trim()); } } public new void Clear() { ThrowIfReadOnly(); _Modified = true; base.Clear(); } public new void Insert(int index, string value) { ThrowIfReadOnly(); ThrowIfContainsDelimiter(value); _Modified = true; base.Insert(index, value.Trim()); } public new void Remove(string value) { ThrowIfReadOnly(); ThrowIfContainsDelimiter(value); _Modified = true; base.Remove(value.Trim()); } // Clone // // Clone the object, to get back and object that we can modify // without changing the original object // public CommaDelimitedStringCollection Clone() { CommaDelimitedStringCollection copy; copy = new CommaDelimitedStringCollection(); // Copy all values foreach (string str in this) { copy.Add(str); } // Copy Attributes copy._Modified = false; copy._ReadOnly = _ReadOnly; copy._OriginalString = _OriginalString; return copy; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.Security.Permissions; using System.Collections.Generic; using System.Collections.Specialized; using System.Reflection; using System.Text; namespace System.Configuration { public sealed class CommaDelimitedStringCollection : StringCollection { private bool _Modified; private bool _ReadOnly; private string _OriginalString; // // Constructor // public CommaDelimitedStringCollection() { _ReadOnly = false; _Modified = false; _OriginalString = ToString(); } internal void FromString(string list) { char[] _delimiters = { ',' }; if (list != null) { string[] items = list.Split(_delimiters); foreach (string item in items) { string trimmedItem = item.Trim(); if (trimmedItem.Length != 0) { Add(item.Trim()); } } } _OriginalString = ToString(); _ReadOnly = false; _Modified = false; } public override string ToString() { string returnString = null; if (Count > 0) { StringBuilder sb = new StringBuilder(); foreach (string str in this) { ThrowIfContainsDelimiter(str); // Since the add methods are not virtual they could still add bad data // by casting the collection to a string collection. This check will catch // it before serialization, late is better than never. sb.Append(str.Trim()); sb.Append(','); } returnString = sb.ToString(); if (returnString.Length > 0) { returnString = returnString.Substring(0, returnString.Length - 1); } if (returnString.Length == 0) { returnString = null; } } return returnString; } private void ThrowIfReadOnly() { if (IsReadOnly == true) { throw new ConfigurationErrorsException(SR.GetString(SR.Config_base_read_only)); } } private void ThrowIfContainsDelimiter(string value) { if (value.Contains(",")) { throw new ConfigurationErrorsException(SR.GetString(SR.Config_base_value_cannot_contain,",")); } } public void SetReadOnly() { _ReadOnly = true; } public bool IsModified { get { return _Modified || (ToString() != _OriginalString); } } public new bool IsReadOnly { get { return _ReadOnly; } } // // Accessors // public new string this[int index] { get { return (string)base[index]; } set { ThrowIfReadOnly(); ThrowIfContainsDelimiter(value); _Modified = true; base[index] = value.Trim(); } } // // Methods // public new void Add(string value) { ThrowIfReadOnly(); ThrowIfContainsDelimiter(value); _Modified = true; base.Add(value.Trim()); } public new void AddRange(string[] range) { ThrowIfReadOnly(); _Modified = true; foreach (string str in range) { ThrowIfContainsDelimiter(str); base.Add(str.Trim()); } } public new void Clear() { ThrowIfReadOnly(); _Modified = true; base.Clear(); } public new void Insert(int index, string value) { ThrowIfReadOnly(); ThrowIfContainsDelimiter(value); _Modified = true; base.Insert(index, value.Trim()); } public new void Remove(string value) { ThrowIfReadOnly(); ThrowIfContainsDelimiter(value); _Modified = true; base.Remove(value.Trim()); } // Clone // // Clone the object, to get back and object that we can modify // without changing the original object // public CommaDelimitedStringCollection Clone() { CommaDelimitedStringCollection copy; copy = new CommaDelimitedStringCollection(); // Copy all values foreach (string str in this) { copy.Add(str); } // Copy Attributes copy._Modified = false; copy._ReadOnly = _ReadOnly; copy._OriginalString = _OriginalString; return copy; } } } // 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
- ExpressionBuilderCollection.cs
- Timer.cs
- HttpResponseHeader.cs
- UnknownBitmapDecoder.cs
- WebBrowser.cs
- Validator.cs
- srgsitem.cs
- FormsAuthenticationCredentials.cs
- SessionParameter.cs
- MembershipAdapter.cs
- ConfigurationLockCollection.cs
- Model3D.cs
- Queue.cs
- ListBoxItemWrapperAutomationPeer.cs
- BitConverter.cs
- SQLGuid.cs
- TTSEngineProxy.cs
- CompositeKey.cs
- CryptoConfig.cs
- ProfilePropertySettingsCollection.cs
- ControlParameter.cs
- AsyncOperationManager.cs
- Camera.cs
- TdsParser.cs
- XmlDataSource.cs
- GridViewSelectEventArgs.cs
- ClientBuildManagerCallback.cs
- SkewTransform.cs
- AnnotationAuthorChangedEventArgs.cs
- ProcessHostFactoryHelper.cs
- ColorConverter.cs
- UserControlBuildProvider.cs
- MgmtConfigurationRecord.cs
- WeakReferenceList.cs
- BufferAllocator.cs
- OdbcParameter.cs
- RuntimeResourceSet.cs
- DeleteCardRequest.cs
- XmlBoundElement.cs
- XmlArrayAttribute.cs
- SyntaxCheck.cs
- DataGridViewSortCompareEventArgs.cs
- UpdateTranslator.cs
- ScrollBar.cs
- SqlFacetAttribute.cs
- ClickablePoint.cs
- QuaternionRotation3D.cs
- OleDbEnumerator.cs
- ExecutorLocksHeldException.cs
- SimpleRecyclingCache.cs
- InvalidCastException.cs
- EraserBehavior.cs
- DomNameTable.cs
- CultureInfoConverter.cs
- QilName.cs
- XmlKeywords.cs
- DataObjectMethodAttribute.cs
- ImageButton.cs
- Error.cs
- DecoderExceptionFallback.cs
- AnyAllSearchOperator.cs
- DefaultObjectMappingItemCollection.cs
- RectAnimation.cs
- AssemblyCollection.cs
- DecoratedNameAttribute.cs
- SHA384CryptoServiceProvider.cs
- Int64Converter.cs
- MemberDescriptor.cs
- FormatException.cs
- ByteRangeDownloader.cs
- ReflectionHelper.cs
- SystemResourceKey.cs
- IEnumerable.cs
- CodeDirectiveCollection.cs
- BaseTemplateParser.cs
- GridViewSelectEventArgs.cs
- DispatcherFrame.cs
- WorkflowRuntimeSection.cs
- ResourceIDHelper.cs
- FormatterConverter.cs
- RectKeyFrameCollection.cs
- AsymmetricSignatureDeformatter.cs
- PerformanceCounterCategory.cs
- HostedTransportConfigurationBase.cs
- ComponentDispatcherThread.cs
- OdbcConnectionHandle.cs
- Line.cs
- SmtpNegotiateAuthenticationModule.cs
- CodeThrowExceptionStatement.cs
- TemplateControlBuildProvider.cs
- StoreItemCollection.cs
- VSDExceptions.cs
- DictionarySectionHandler.cs
- ReferenceSchema.cs
- TrackingCondition.cs
- ToolStripTextBox.cs
- FormatSettings.cs
- Model3D.cs
- OverflowException.cs
- TreeNodeBindingCollection.cs