public async void CheckPrinterAndCreateWorksheet()
{
if (IsWorksheetCreated)
{
return;
}
Logging.ToLog("ItemPatient - создание книги со списком назначений");
IsWorksheetCreatingStarted = true;
await Task.Run(() => {
printerState = PrinterInfo.Instance.GetPrinterState();
Logging.ToLog("ItemPatient - Полученный статус принтера: " + printerState);
try {
if (printerState == PrinterInfo.State.DoNotCheck ||
printerState == PrinterInfo.State.Ready)
{
worksheet = ExcelInterop.Instance.CreateWorksheetAppointments(this, out workbook);
}
} catch (Exception e) {
printerState = PrinterInfo.State.NotPrinted;
Logging.ToLog(e.Message + Environment.NewLine + e.StackTrace);
}
IsWorksheetCreated = true;
BackgroundWorkCompletedEvent.Set();
}).ConfigureAwait(false);
}
public PrinterInfo.State PrintAppointmentsAvailable()
{
Logging.ToLog("ItemPatient - печать списка назначений");
if (!IsWorksheetCreatingStarted)
{
CheckPrinterAndCreateWorksheet();
}
if (!IsWorksheetCreated)
{
BackgroundWorkCompletedEvent.WaitOne();
}
if (printerState.HasValue)
{
switch (printerState.Value)
{
case PrinterInfo.State.NotSelect:
case PrinterInfo.State.NotFound:
case PrinterInfo.State.Error:
return(printerState.Value);
}
if (worksheet == null)
{
return(PrinterInfo.State.NotPrinted);
}
try {
ExcelInterop.Instance.PrintWorksheetAndCloseWorkbook(ref worksheet, ref workbook);
return(PrinterInfo.State.Printed);
} catch (Exception e) {
Logging.ToLog(e.Message + Environment.NewLine + e.StackTrace);
return(PrinterInfo.State.NotPrinted);
}
}
return(PrinterInfo.State.Unknown);
}