ApplicationBase.Log Property
Definition
Important
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Gets an object that provides properties and methods for writing event and exception information to the application's log listeners.
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.LogPublic ReadOnly Property Log As LogProperty Value
The Log object for the current application.
Examples
This example shows how to use the My.Application.Log.WriteEntry method to log tracing information. For more information, see How to: Write Log Messages.
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
