PrintQueue.Refresh Metode
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Updates properti PrintQueue objek dengan nilai dari printer dan utilitas antrean cetak yang berjalan di komputer.
public:
override void Refresh();
public override void Refresh ();
override this.Refresh : unit -> unit
Public Overrides Sub Refresh ()
Pengecualian
Beberapa properti tidak dapat disegarkan.
Contoh
Contoh berikut menunjukkan cara menggunakan metode ini sebagai bagian dari survei semua printer untuk kemungkinan status kesalahan.
// Survey queue status for every queue on every print server
System::String^ line;
System::String^ statusReport = "\n\nAny problem states are indicated below:\n\n";
while ((line = fileOfPrintServers->ReadLine()) != nullptr)
{
System::Printing::PrintServer^ myPS = gcnew System::Printing::PrintServer(line, PrintSystemDesiredAccess::AdministrateServer);
System::Printing::PrintQueueCollection^ myPrintQueues = myPS->GetPrintQueues();
statusReport = statusReport + "\n" + line;
for each (System::Printing::PrintQueue^ pq in myPrintQueues)
{
pq->Refresh();
statusReport = statusReport + "\n\t" + pq->Name + ":";
if (useAttributesResponse == "y")
{
TroubleSpotter::SpotTroubleUsingQueueAttributes(statusReport, pq);
// TroubleSpotter class is defined in the complete example.
} else
{
TroubleSpotter::SpotTroubleUsingProperties(statusReport, pq);
}
}
}
fileOfPrintServers->Close();
Console::WriteLine(statusReport);
Console::WriteLine("\nPress Return to continue.");
Console::ReadLine();
// Survey queue status for every queue on every print server
String line;
String statusReport = "\n\nAny problem states are indicated below:\n\n";
while ((line = fileOfPrintServers.ReadLine()) != null)
{
PrintServer myPS = new PrintServer(line, PrintSystemDesiredAccess.AdministrateServer);
PrintQueueCollection myPrintQueues = myPS.GetPrintQueues();
statusReport = statusReport + "\n" + line;
foreach (PrintQueue pq in myPrintQueues)
{
pq.Refresh();
statusReport = statusReport + "\n\t" + pq.Name + ":";
if (useAttributesResponse == "y")
{
TroubleSpotter.SpotTroubleUsingQueueAttributes(ref statusReport, pq);
// TroubleSpotter class is defined in the complete example.
}
else
{
TroubleSpotter.SpotTroubleUsingProperties(ref statusReport, pq);
}
}// end for each print queue
}// end while list of print servers is not yet exhausted
fileOfPrintServers.Close();
Console.WriteLine(statusReport);
Console.WriteLine("\nPress Return to continue.");
Console.ReadLine();
' Survey queue status for every queue on every print server
Dim line As String
Dim statusReport As String = vbLf & vbLf & "Any problem states are indicated below:" & vbLf & vbLf
line = fileOfPrintServers.ReadLine()
Do While line IsNot Nothing
Dim myPS As New PrintServer(line, PrintSystemDesiredAccess.AdministrateServer)
Dim myPrintQueues As PrintQueueCollection = myPS.GetPrintQueues()
statusReport = statusReport & vbLf & line
For Each pq As PrintQueue In myPrintQueues
pq.Refresh()
statusReport = statusReport & vbLf & vbTab & pq.Name & ":"
If useAttributesResponse = "y" Then
TroubleSpotter.SpotTroubleUsingQueueAttributes(statusReport, pq)
' TroubleSpotter class is defined in the complete example.
Else
TroubleSpotter.SpotTroubleUsingProperties(statusReport, pq)
End If
Next pq ' end for each print queue
line = fileOfPrintServers.ReadLine()
Loop ' end while list of print servers is not yet exhausted
fileOfPrintServers.Close()
Console.WriteLine(statusReport)
Console.WriteLine(vbLf & "Press Return to continue.")
Console.ReadLine()
Keterangan
Perubahan yang PrintQueue dilakukan program Anda pada properti objek akan hilang ketika Refresh dijalankan, kecuali jika telah ditulis ke pencetak dan mencetak antrean dengan Commit.