Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / 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
- RunInstallerAttribute.cs
- TextTreeUndo.cs
- Socket.cs
- HttpPostedFile.cs
- AccessorTable.cs
- TreeNodeCollection.cs
- FigureParaClient.cs
- InternalTypeHelper.cs
- CodeDirectoryCompiler.cs
- GB18030Encoding.cs
- String.cs
- VisualTreeUtils.cs
- StrokeCollection.cs
- ZipPackagePart.cs
- MetaForeignKeyColumn.cs
- DesignSurfaceCollection.cs
- WorkingDirectoryEditor.cs
- streamingZipPartStream.cs
- ViewBase.cs
- Cursor.cs
- CompensatableTransactionScopeActivityDesigner.cs
- DataFormat.cs
- PixelShader.cs
- webbrowsersite.cs
- BidPrivateBase.cs
- Method.cs
- WebPartConnectionCollection.cs
- InputScope.cs
- RsaKeyIdentifierClause.cs
- SizeValueSerializer.cs
- QilFactory.cs
- TraceSource.cs
- MethodToken.cs
- WebPartConnectionsCloseVerb.cs
- UrlPath.cs
- MasterPageBuildProvider.cs
- StickyNoteHelper.cs
- PropertyChangingEventArgs.cs
- HybridDictionary.cs
- TypeInitializationException.cs
- HealthMonitoringSectionHelper.cs
- ValidationContext.cs
- DockPattern.cs
- UserControlBuildProvider.cs
- ColorKeyFrameCollection.cs
- DrawListViewItemEventArgs.cs
- TemplatePartAttribute.cs
- List.cs
- PageContentAsyncResult.cs
- AutoScrollExpandMessageFilter.cs
- NativeMethods.cs
- DataSourceXmlSubItemAttribute.cs
- PreviewPrintController.cs
- SplitterEvent.cs
- TokenBasedSet.cs
- GroupLabel.cs
- LocalServiceSecuritySettingsElement.cs
- BuildManagerHost.cs
- JumpItem.cs
- D3DImage.cs
- OperationAbortedException.cs
- ScrollPattern.cs
- TokenBasedSetEnumerator.cs
- JoinSymbol.cs
- WinInetCache.cs
- DesignTimeParseData.cs
- Style.cs
- EntityReference.cs
- ScaleTransform3D.cs
- StreamWithDictionary.cs
- ParameterToken.cs
- FunctionNode.cs
- EntityConnectionStringBuilder.cs
- DetailsViewPagerRow.cs
- ZipIORawDataFileBlock.cs
- ValidatedControlConverter.cs
- ReadOnlyNameValueCollection.cs
- EventSinkActivityDesigner.cs
- TransformationRules.cs
- ObjectViewEntityCollectionData.cs
- ApplicationInterop.cs
- PathGeometry.cs
- NodeLabelEditEvent.cs
- DecimalKeyFrameCollection.cs
- ResourceExpressionEditor.cs
- ExpandCollapsePattern.cs
- XmlChildEnumerator.cs
- AutomationElement.cs
- StylusShape.cs
- BamlLocalizer.cs
- DoubleLink.cs
- AutomationElementIdentifiers.cs
- HeaderUtility.cs
- DocComment.cs
- _NetworkingPerfCounters.cs
- ContextBase.cs
- OleDbEnumerator.cs
- RootProjectionNode.cs
- mongolianshape.cs
- PointLight.cs