VB.NET EventSource類代碼示例

本文整理匯總了VB.NET中System.Diagnostics.Tracing.EventSource類的典型用法代碼示例。如果您正苦於以下問題：VB.NET EventSource類的具體用法？VB.NET EventSource怎麽用？VB.NET EventSource使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。

在下文中一共展示了EventSource類的2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: MyCompanyEventSource

' 導入命名空間
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

開發者ID:VB.NET開發者，項目名稱:System.Diagnostics.Tracing，代碼行數:31，代碼來源:EventSource

示例2: MyCompanyEventSource

' 導入命名空間
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

開發者ID:VB.NET開發者，項目名稱:System.Diagnostics.Tracing，代碼行數:95，代碼來源:EventSource

注：本文中的System.Diagnostics.Tracing.EventSource類示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。