Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / CompMod / System / Diagnostics / Switch.cs / 1 / Switch.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Diagnostics { using System; using System.Security; using System.Security.Permissions; using System.Threading; using System.Runtime.InteropServices; using Microsoft.Win32; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Globalization; using System.Configuration; using System.Xml.Serialization; ////// public abstract class Switch { private SwitchElementsCollection switchSettings; private string description; private string displayName; private int switchSetting = 0; private bool initialized = false; private bool initializing = false; private string switchValueString = String.Empty; private StringDictionary attributes; private string defaultValue; private static ListProvides an ///base class to /// create new debugging and tracing switches. switches = new List (); /// /// protected Switch(string displayName, string description) : this(displayName, description, "0") { } protected Switch(string displayName, string description, string defaultSwitchValue) { // displayName is used as a hashtable key, so it can never // be null. if (displayName == null) displayName = string.Empty; this.displayName = displayName; this.description = description; lock (switches) { switches.Add(new WeakReference(this)); } defaultValue = defaultSwitchValue; } [XmlIgnore] public StringDictionary Attributes { get { Initialize(); if (attributes == null) attributes = new StringDictionary(); return attributes; } } ///Initializes a new instance of the ////// class. /// public string DisplayName { get { return displayName; } } ///Gets a name used to identify the switch. ////// public string Description { get { return (description == null) ? string.Empty : description; } } ///Gets a description of the switch. ////// protected int SwitchSetting { get { if (!initialized) { if (!InitializeWithStatus()) return 0; OnSwitchSettingChanged(); } return switchSetting; } set { initialized = true; if (switchSetting != value) { switchSetting = value; OnSwitchSettingChanged(); } } } protected string Value { get { Initialize(); return switchValueString; } set { Initialize(); switchValueString = value; try { OnValueChanged(); } catch (ArgumentException e) { throw new ConfigurationErrorsException(SR.GetString(SR.BadConfigSwitchValue, DisplayName), e); } catch (FormatException e) { throw new ConfigurationErrorsException(SR.GetString(SR.BadConfigSwitchValue, DisplayName), e); } catch (OverflowException e) { throw new ConfigurationErrorsException(SR.GetString(SR.BadConfigSwitchValue, DisplayName), e); } } } private void Initialize() { InitializeWithStatus(); } private bool InitializeWithStatus() { if (!initialized) { if (initializing) return false; initializing = true; if (switchSettings == null) { if (!InitializeConfigSettings()) return false; } if (switchSettings != null) { SwitchElement mySettings = switchSettings[displayName]; if (mySettings != null) { string value = mySettings.Value; if (value != null) { this.Value = value; } else this.Value = defaultValue; try { TraceUtils.VerifyAttributes(mySettings.Attributes, GetSupportedAttributes(), this); } catch (ConfigurationException) { // if VerifyAttributes throws, clean up a little bit so we're not in a bad state. initialized = false; initializing = false; throw; } attributes = new StringDictionary(); attributes.contents = mySettings.Attributes; } else { // We don't use the property here because we don't want to catch exceptions // and rethrow them as ConfigurationException. In this case there's no config. switchValueString = defaultValue; OnValueChanged(); } } else { // We don't use the property here because we don't want to catch exceptions // and rethrow them as ConfigurationException. In this case there's no config. switchValueString = defaultValue; OnValueChanged(); } initialized = true; initializing = false; } return true; } private bool InitializeConfigSettings() { if (switchSettings != null) return true; if (!DiagnosticsConfiguration.CanInitialize()) return false; // This hashtable is case-insensitive. switchSettings = DiagnosticsConfiguration.SwitchSettings; return true; } virtual protected internal string[] GetSupportedAttributes() { return null; } ////// Indicates the current setting for this switch. /// ////// This method is invoked when a switch setting has been changed. It will /// be invoked the first time a switch reads its value from the registry /// or environment, and then it will be invoked each time the switch's /// value is changed. /// protected virtual void OnSwitchSettingChanged() { } protected virtual void OnValueChanged() { SwitchSetting = Int32.Parse(Value, CultureInfo.InvariantCulture); } internal static void RefreshAll() { lock (switches) { for (int i=0; i// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Diagnostics { using System; using System.Security; using System.Security.Permissions; using System.Threading; using System.Runtime.InteropServices; using Microsoft.Win32; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.Globalization; using System.Configuration; using System.Xml.Serialization; /// /// public abstract class Switch { private SwitchElementsCollection switchSettings; private string description; private string displayName; private int switchSetting = 0; private bool initialized = false; private bool initializing = false; private string switchValueString = String.Empty; private StringDictionary attributes; private string defaultValue; private static ListProvides an ///base class to /// create new debugging and tracing switches. switches = new List (); /// /// protected Switch(string displayName, string description) : this(displayName, description, "0") { } protected Switch(string displayName, string description, string defaultSwitchValue) { // displayName is used as a hashtable key, so it can never // be null. if (displayName == null) displayName = string.Empty; this.displayName = displayName; this.description = description; lock (switches) { switches.Add(new WeakReference(this)); } defaultValue = defaultSwitchValue; } [XmlIgnore] public StringDictionary Attributes { get { Initialize(); if (attributes == null) attributes = new StringDictionary(); return attributes; } } ///Initializes a new instance of the ////// class. /// public string DisplayName { get { return displayName; } } ///Gets a name used to identify the switch. ////// public string Description { get { return (description == null) ? string.Empty : description; } } ///Gets a description of the switch. ////// protected int SwitchSetting { get { if (!initialized) { if (!InitializeWithStatus()) return 0; OnSwitchSettingChanged(); } return switchSetting; } set { initialized = true; if (switchSetting != value) { switchSetting = value; OnSwitchSettingChanged(); } } } protected string Value { get { Initialize(); return switchValueString; } set { Initialize(); switchValueString = value; try { OnValueChanged(); } catch (ArgumentException e) { throw new ConfigurationErrorsException(SR.GetString(SR.BadConfigSwitchValue, DisplayName), e); } catch (FormatException e) { throw new ConfigurationErrorsException(SR.GetString(SR.BadConfigSwitchValue, DisplayName), e); } catch (OverflowException e) { throw new ConfigurationErrorsException(SR.GetString(SR.BadConfigSwitchValue, DisplayName), e); } } } private void Initialize() { InitializeWithStatus(); } private bool InitializeWithStatus() { if (!initialized) { if (initializing) return false; initializing = true; if (switchSettings == null) { if (!InitializeConfigSettings()) return false; } if (switchSettings != null) { SwitchElement mySettings = switchSettings[displayName]; if (mySettings != null) { string value = mySettings.Value; if (value != null) { this.Value = value; } else this.Value = defaultValue; try { TraceUtils.VerifyAttributes(mySettings.Attributes, GetSupportedAttributes(), this); } catch (ConfigurationException) { // if VerifyAttributes throws, clean up a little bit so we're not in a bad state. initialized = false; initializing = false; throw; } attributes = new StringDictionary(); attributes.contents = mySettings.Attributes; } else { // We don't use the property here because we don't want to catch exceptions // and rethrow them as ConfigurationException. In this case there's no config. switchValueString = defaultValue; OnValueChanged(); } } else { // We don't use the property here because we don't want to catch exceptions // and rethrow them as ConfigurationException. In this case there's no config. switchValueString = defaultValue; OnValueChanged(); } initialized = true; initializing = false; } return true; } private bool InitializeConfigSettings() { if (switchSettings != null) return true; if (!DiagnosticsConfiguration.CanInitialize()) return false; // This hashtable is case-insensitive. switchSettings = DiagnosticsConfiguration.SwitchSettings; return true; } virtual protected internal string[] GetSupportedAttributes() { return null; } ////// Indicates the current setting for this switch. /// ////// This method is invoked when a switch setting has been changed. It will /// be invoked the first time a switch reads its value from the registry /// or environment, and then it will be invoked each time the switch's /// value is changed. /// protected virtual void OnSwitchSettingChanged() { } protected virtual void OnValueChanged() { SwitchSetting = Int32.Parse(Value, CultureInfo.InvariantCulture); } internal static void RefreshAll() { lock (switches) { for (int i=0; i
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- WebPartVerbCollection.cs
- Adorner.cs
- WCFServiceClientProxyGenerator.cs
- Size3D.cs
- RevocationPoint.cs
- FileDetails.cs
- COM2PropertyDescriptor.cs
- TextFormattingConverter.cs
- AttributeQuery.cs
- ToolZone.cs
- ArgumentNullException.cs
- Accessors.cs
- CaseStatement.cs
- ListViewItemEventArgs.cs
- TreeViewCancelEvent.cs
- NativeWindow.cs
- IOException.cs
- MsmqDiagnostics.cs
- OdbcConnectionFactory.cs
- EnumerableValidator.cs
- ComponentChangedEvent.cs
- XsltArgumentList.cs
- DataGridRowHeaderAutomationPeer.cs
- HeaderedContentControl.cs
- ThreadAbortException.cs
- ObjectStateEntryOriginalDbUpdatableDataRecord.cs
- HtmlButton.cs
- DropSource.cs
- BCryptNative.cs
- ProcessModelSection.cs
- EntityProxyTypeInfo.cs
- SerializerProvider.cs
- Axis.cs
- OutputScope.cs
- SQLMoneyStorage.cs
- CommandValueSerializer.cs
- StrongNamePublicKeyBlob.cs
- DialogResultConverter.cs
- CodeNamespaceCollection.cs
- SafeFileHandle.cs
- WorkItem.cs
- VSDExceptions.cs
- CFGGrammar.cs
- DbParameterHelper.cs
- AuthorizationRuleCollection.cs
- TagPrefixInfo.cs
- ScriptReferenceBase.cs
- PageHandlerFactory.cs
- XmlTextReaderImpl.cs
- FlowPanelDesigner.cs
- RoutedUICommand.cs
- LinqDataSourceValidationException.cs
- XamlReader.cs
- AsymmetricSignatureFormatter.cs
- PanelStyle.cs
- ReliableSessionBindingElementImporter.cs
- TableLayoutPanelCellPosition.cs
- ApplicationCommands.cs
- ExpressionBuilderCollection.cs
- ZipArchive.cs
- IImplicitResourceProvider.cs
- DefaultPrintController.cs
- NumberFunctions.cs
- TablePatternIdentifiers.cs
- OdbcEnvironmentHandle.cs
- SpecialTypeDataContract.cs
- HelpFileFileNameEditor.cs
- Size3D.cs
- Decimal.cs
- Table.cs
- TimeEnumHelper.cs
- VirtualDirectoryMapping.cs
- XmlSchemaExternal.cs
- SBCSCodePageEncoding.cs
- FrugalList.cs
- WebPartEventArgs.cs
- AmbiguousMatchException.cs
- XPathDocumentNavigator.cs
- CustomCredentialPolicy.cs
- NetTcpSecurity.cs
- WindowsGrip.cs
- AspCompat.cs
- EmbeddedMailObject.cs
- RenderingEventArgs.cs
- XmlSchemaCollection.cs
- DataControlField.cs
- PersonalizationProviderHelper.cs
- RemoveStoryboard.cs
- ProvidePropertyAttribute.cs
- TriState.cs
- HttpBrowserCapabilitiesWrapper.cs
- XmlBinaryWriter.cs
- SortDescriptionCollection.cs
- LingerOption.cs
- activationcontext.cs
- String.cs
- ObjectStateEntryDbUpdatableDataRecord.cs
- SystemUnicastIPAddressInformation.cs
- BuildProviderUtils.cs
- XPathItem.cs