SourceSwitch Class
Definition
Important
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Provides a multilevel switch to control tracing and debug output without recompiling your code.
public ref class SourceSwitch : System::Diagnostics::Switch
public class SourceSwitch : System.Diagnostics.Switch
type SourceSwitch = class
inherit Switch
Public Class SourceSwitch
Inherits Switch
- Inheritance
Remarks
The Switch property of the TraceSource class is a SourceSwitch object. The SourceSwitch class provides a Level property to test the event level of the switch. The Level property gets or sets the switch's TraceLevel value.
You can set the event level of a SourceSwitch through the application configuration file and then use the configured SourceSwitch level in your application. Alternatively, you can create a SourceSwitch in your code and set the level directly, to instrument a specific section of code.
To configure a SourceSwitch, edit the configuration file that corresponds to the name of your application. Within this file, you can set a switch's value or clear all the switches previously set by the application. The configuration file should be formatted as shown in the following example.
<switches>
<add name="SourceSwitch" value="Verbose"></add>
</switches>
The switch is used to check whether a trace should be propagated or ignored. Each TraceSource trace method calls the ShouldTrace method before calling the listeners. If the ShouldTrace method returns false
, the trace is ignored and the trace method exits. If the ShouldTrace method returns true
, the trace is passed to the listeners.
Constructors
SourceSwitch(String) |
Initializes a new instance of the SourceSwitch class, specifying the name of the source. |
SourceSwitch(String, String) |
Initializes a new instance of the SourceSwitch class, specifying the display name and the default value for the source switch. |
Properties
Attributes |
Gets the custom switch attributes defined in the application configuration file. (Inherited from Switch) |
DefaultValue |
Gets the default value assigned in the constructor. (Inherited from Switch) |
Description |
Gets a description of the switch. (Inherited from Switch) |
DisplayName |
Gets a name used to identify the switch. (Inherited from Switch) |
Level |
Gets or sets the level of the switch. |
SwitchSetting |
Gets or sets the current setting for this switch. (Inherited from Switch) |
Value |
Gets or sets the value of the switch. (Inherited from Switch) |
Methods
Equals(Object) |
Determines whether the specified object is equal to the current object. (Inherited from Object) |
GetHashCode() |
Serves as the default hash function. (Inherited from Object) |
GetSupportedAttributes() |
Gets the custom attributes supported by the switch. (Inherited from Switch) |
GetType() |
Gets the Type of the current instance. (Inherited from Object) |
MemberwiseClone() |
Creates a shallow copy of the current Object. (Inherited from Object) |
OnSwitchSettingChanged() |
Invoked when the SwitchSetting property is changed. (Inherited from Switch) |
OnValueChanged() |
Invoked when the value of the Value property changes. |
Refresh() |
Refreshes the trace configuration data. (Inherited from Switch) |
ShouldTrace(TraceEventType) |
Determines if trace listeners should be called, based on the trace event type. |
ToString() |
Returns a string that represents the current object. (Inherited from Object) |
Applies to
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