ApplicationBase.Log Egenskap

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

Egenskapsvärde

Objektet Log för det aktuella programmet.

Exempel

Det här exemplet visar hur du använder My.Application.Log.WriteEntry metoden för att logga spårningsinformation. Mer information finns i Så här skriver du loggmeddelanden.

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

Se även

• Log
• Objects (Visual Basic)