ApplicationBase.Log 屬性

public:
 property Microsoft::VisualBasic::Logging::Log ^ Log { Microsoft::VisualBasic::Logging::Log ^ get(); };

public Microsoft.VisualBasic.Logging.Log Log { get; }

member this.Log : Microsoft.VisualBasic.Logging.Log

Public ReadOnly Property Log As Log

屬性值

目前應用程式的 Log 物件。

範例

此範例展示了如何使用此 My.Application.Log.WriteEntry 方法記錄追蹤資訊。 欲了解更多資訊，請參閱 「如何撰寫日誌訊息」。

Private Sub GetOpenFormTitles()
    Dim formTitles As New Collection

    Try
        For Each f As Form In My.Application.OpenForms
            ' Use a thread-safe method to get all form titles.
            formTitles.Add(GetFormTitle(f))
        Next
    Catch ex As Exception
        formTitles.Add("Error: " & ex.Message)
    End Try

    Form1.ListBox1.DataSource = formTitles
End Sub

Private Delegate Function GetFormTitleDelegate(f As Form) As String
Private Function GetFormTitle(f As Form) As String
    ' Check if the form can be accessed from the current thread.
    If Not f.InvokeRequired Then
        ' Access the form directly.
        Return f.Text
    Else
        ' Marshal to the thread that owns the form. 
        Dim del As GetFormTitleDelegate = AddressOf GetFormTitle
        Dim param As Object() = {f}
        Dim result As System.IAsyncResult = f.BeginInvoke(del, param)
        ' Give the form's thread a chance process function.
        System.Threading.Thread.Sleep(10)
        ' Check the result.
        If result.IsCompleted Then
            ' Get the function's return value.
            Return "Different thread: " & f.EndInvoke(result).ToString
        Else
            Return "Unresponsive thread"
        End If
    End If
End Function

另請參閱

• Log
• 物件（Visual Basic ）