本文整理汇总了VB.NET中System.Diagnostics.Tracing.EventSource类的典型用法代码示例。如果您正苦于以下问题：VB.NET EventSource类的具体用法？VB.NET EventSource怎么用？VB.NET EventSource使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了EventSource类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: MyCompanyEventSource
' 导入命名空间
Imports System.Diagnostics.Tracing
Class MyCompanyEventSource
Inherits EventSource
Public Shared Log As New MyCompanyEventSource()
Public Sub Startup()
WriteEvent(1)
End Sub
Public Sub OpenFileStart(ByVal fileName As String)
WriteEvent(2, fileName)
End Sub
Public Sub OpenFileStop()
WriteEvent(3)
End Sub
End Class
Class Program
Shared Sub Main(ByVal args() As String)
MyCompanyEventSource.Log.Startup()
' ...
MyCompanyEventSource.Log.OpenFileStart("SomeFile")
' ...
MyCompanyEventSource.Log.OpenFileStop()
End Sub
End Class示例2: MyCompanyEventSource
' 导入命名空间
Imports System.Diagnostics.Tracing
Enum MyColor
Red
Yellow
Blue
End Enum 'MyColor
<EventSource(Name:="MyCompany")> _
Class MyCompanyEventSource
Inherits EventSource
Public Class Keywords
Public Const Page As EventKeywords = CType(1, EventKeywords)
Public Const DataBase As EventKeywords = CType(2, EventKeywords)
Public Const Diagnostic As EventKeywords = CType(4, EventKeywords)
Public Const Perf As EventKeywords = CType(8, EventKeywords)
End Class
Public Class Tasks
Public Const Page As EventTask = CType(1, EventTask)
Public Const DBQuery As EventTask = CType(1, EventTask)
End Class
<[Event](1, Message:="Application Failure: {0}", Level:=EventLevel.Error, Keywords:=Keywords.Diagnostic)> _
Public Sub Failure(ByVal message As String)
WriteEvent(1, message)
End Sub
<[Event](2, Message:="Starting up.", Keywords:=Keywords.Perf, Level:=EventLevel.Informational)> _
Public Sub Startup()
WriteEvent(2)
End Sub
<[Event](3, Message:="loading page {1} activityID={0}", Opcode:=EventOpcode.Start, Task:=Tasks.Page, Keywords:=Keywords.Page, Level:=EventLevel.Informational)> _
Public Sub PageStart(ByVal ID As Integer, ByVal url As String)
If IsEnabled() Then
WriteEvent(3, ID, url)
End If
End Sub
<[Event](4, Opcode:=EventOpcode.Stop, Task:=Tasks.Page, Keywords:=Keywords.Page, Level:=EventLevel.Informational)> _
Public Sub PageStop(ByVal ID As Integer)
If IsEnabled() Then
WriteEvent(4, ID)
End If
End Sub
<[Event](5, Opcode:=EventOpcode.Start, Task:=Tasks.DBQuery, Keywords:=Keywords.DataBase, Level:=EventLevel.Informational)> _
Public Sub DBQueryStart(ByVal sqlQuery As String)
WriteEvent(5, sqlQuery)
End Sub
<[Event](6, Opcode:=EventOpcode.Stop, Task:=Tasks.DBQuery, Keywords:=Keywords.DataBase, Level:=EventLevel.Informational)> _
Public Sub DBQueryStop()
WriteEvent(6)
End Sub
<[Event](7, Level:=EventLevel.Verbose, Keywords:=Keywords.DataBase)> _
Public Sub Mark(ByVal ID As Integer)
If IsEnabled() Then
WriteEvent(7, ID)
End If
End Sub
<[Event](8)> _
Public Sub LogColor(ByVal color As MyColor)
WriteEvent(8, Fix(color))
End Sub
Public Shared Log As New MyCompanyEventSource()
End Class
Class Program
Shared Sub Main(ByVal args() As String)
MyCompanyEventSource.Log.Startup()
Console.WriteLine("Starting up")
MyCompanyEventSource.Log.DBQueryStart("Select * from MYTable")
Dim url As String = "http:'localhost"
Dim i As Integer
For i = 0 To 9
MyCompanyEventSource.Log.PageStart(i, url)
MyCompanyEventSource.Log.Mark(i)
MyCompanyEventSource.Log.PageStop(i)
Next i
MyCompanyEventSource.Log.DBQueryStop()
MyCompanyEventSource.Log.LogColor(MyColor.Blue)
MyCompanyEventSource.Log.Failure("This is a failure 1")
MyCompanyEventSource.Log.Failure("This is a failure 2")
MyCompanyEventSource.Log.Failure("This is a failure 3")
End Sub
End Class