本文整理匯總了VB.NET中System.Diagnostics.EventLog.SourceExists方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET EventLog.SourceExists方法的具體用法？VB.NET EventLog.SourceExists怎麽用？VB.NET EventLog.SourceExists使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Diagnostics.EventLog的用法示例。
在下文中一共展示了EventLog.SourceExists方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: MySample
Option Explicit
Option Strict
Imports System.Diagnostics
Imports System.Threading
Class MySample
Public Shared Sub Main()
' Create the source, if it does not already exist.
If Not EventLog.SourceExists("MySource") Then
EventLog.CreateEventSource("MySource", "MyNewLog")
Console.WriteLine("CreatingEventSource")
End If
' Create an EventLog instance and assign its source.
Dim myLog As New EventLog()
myLog.Source = "MySource"
' Write an informational entry to the event log.
myLog.WriteEntry("Writing to event log.")
Console.WriteLine("Message written to event log.")
End Sub
End Class示例2: MySample
' 導入命名空間
Imports System.Diagnostics
Imports System.Threading
Class MySample
Public Shared Sub Main()
' Create the source, if it does not already exist.
If Not EventLog.SourceExists("MySource", "MyServer") Then
EventLog.CreateEventSource("MySource", "MyNewLog", "MyServer")
Console.WriteLine("CreatingEventSource")
End If
' Create an EventLog instance and assign its source.
Dim myLog As New EventLog()
myLog.Source = "MySource"
' Write an informational entry to the event log.
myLog.WriteEntry("Writing to event log.")
Console.WriteLine("Message written to event log.")
End Sub
End Class示例3: Test
' 導入命名空間
Imports System.Diagnostics
public class Test
Shared Dim logStatus As System.Diagnostics.EventLog = New System.Diagnostics.EventLog
public Shared Sub Main
If Not EventLog.SourceExists("StatusSource") Then
EventLog.CreateEventSource("StatusSource", "StatusLog")
Console.WriteLine("Creating event source")
End If
' Set the EventLog component's source.
logStatus.Source = "StatusSource"
' Write a Starting message to the log.
ShowLog()
logStatus.Clear()
ShowLog()
End Sub
Private Shared Sub ShowLog()
For Each log_entry As EventLogEntry In logStatus.Entries
Console.WriteLine(log_entry.Message)
Next log_entry
End Sub
End class