private void button3_Click(object sender, System.EventArgs e) { _PDFCreator.cDefaultPrinter = "PDFCreator"; // Wait 1 second timer1.Interval = 1000; timer1.Enabled = true; while (timer1.Enabled) { Application.DoEvents(); } _PDFCreator.cPrinterStop = false; _PDFCreator.cPrintPrinterTestpage(""); }