AIMS/DocumentManagement/GoldPrinter/PrinterSingleton.cs

using System;
using System.Drawing.Printing;

namespace GoldPrinter
{
	public class PrinterSingleton
	{
		private static PrintDocument thePrintDocumentInstance = null;

		private static PrinterMargins thePrinterMarginsInstance = null;

		public static PrintDocument PrintDocument
		{
			get
			{
				return PrinterSingleton.GetPrintDocumentInstance();
			}
			set
			{
				PrinterSingleton.thePrintDocumentInstance = value;
			}
		}

		public static PrinterMargins PrinterMargins
		{
			get
			{
				return PrinterSingleton.GetPrinterMarginsInstance();
			}
			set
			{
				PrinterSingleton.thePrinterMarginsInstance = value;
			}
		}

		private PrinterSingleton()
		{
		}

		public static void Reset()
		{
			if (PrinterSingleton.thePrintDocumentInstance != null)
			{
				PrinterSingleton.thePrintDocumentInstance.Dispose();
			}
			PrinterSingleton.thePrintDocumentInstance = null;
			PrinterSingleton.thePrinterMarginsInstance = null;
		}

		private static PrintDocument GetPrintDocumentInstance()
		{
			if (PrinterSingleton.thePrintDocumentInstance == null)
			{
				PrinterSingleton.thePrintDocumentInstance = new PrintDocument();
			}
			return PrinterSingleton.thePrintDocumentInstance;
		}

		private static PrinterMargins GetPrinterMarginsInstance()
		{
			if (PrinterSingleton.thePrinterMarginsInstance == null)
			{
				PrinterSingleton.thePrinterMarginsInstance = new PrinterMargins(PrinterSingleton.GetPrintDocumentInstance());
			}
			return PrinterSingleton.thePrinterMarginsInstance;
		}
	}
}