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   源码介绍

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using Microsoft.Office.Interop.Word;
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.IO;
using System.Management;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;

namespace WordPrintApp
{
	internal class PrintHelper
	{
		public void Printword(string filepath, string printername)
		{
			if (string.IsNullOrEmpty(printername))
			{
				printername = "Microsoft XPS Document Writer";
			}
			try
			{
				Process process = new Process();
				process.StartInfo.CreateNoWindow = true;
				process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
				process.StartInfo.UseShellExecute = true;
				process.StartInfo.FileName = filepath;
				process.StartInfo.Verb = "print";
				string defaultPrinter = PrintHelper.GetDefaultPrinter();
				PrintHelper.SetDefaultPrinter(printername);
				process.Start();
				process.WaitForExit(10000);
				PrintHelper.SetDefaultPrinter(defaultPrinter);
			}
			catch (Exception)
			{
			}
		}

		[DllImport("Winspool.drv", CharSet = CharSet.Auto, SetLastError = true)]
		private static extern bool SetDefaultPrinter(string printerName);

		[DllImport("winspool.drv", CharSet = CharSet.Auto, SetLastError = true)]
		private static extern bool GetDefaultPrinter(StringBuilder pszBuffer, ref int pcchBuffer);

		private static string GetDefaultPrinter()
		{
			int capacity = 0;
			if (PrintHelper.GetDefaultPrinter(null, ref capacity))
			{
				return null;
			}
			int lastWin32Error = Marshal.GetLastWin32Error();
			if (lastWin32Error == 122)
			{
				StringBuilder stringBuilder = new StringBuilder(capacity);
				if (PrintHelper.GetDefaultPrinter(stringBuilder, ref capacity))
				{
					return stringBuilder.ToString();
				}
				lastWin32Error = Marshal.GetLastWin32Error();
			}
			if (lastWin32Error == 2)
			{
				return null;
			}
			throw new Win32Exception(Marshal.GetLastWin32Error());
		}

		public void PrintMethodOther(string filepath, string printername)
		{
			try
			{
				object obj = filepath;
				object value = Missing.Value;
				object obj2 = true;
				object obj3 = false;
				object obj4 = 0;
				Application application = new ApplicationClass();
				application.set_Visible(false);
				string activePrinter = application.get_ActivePrinter();
				Document document = application.get_Documents().Open(ref obj, ref value, ref obj2, ref obj3, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value);
				application.set_ActivePrinter(printername);
				document.PrintOut(ref obj3, ref obj3, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value, ref value);
				application.set_DisplayAlerts(0);
				document.Close(ref obj4, ref value, ref value);
				application.set_ActivePrinter(activePrinter);
				application.Quit(ref value, ref value, ref value);
			}
			catch (Exception)
			{
			}
		}

		public bool CreateFolder()
		{
			bool result = false;
			try
			{
				string folderPath = Environment.GetFolderPath(Environment.SpecialFolder.System);
				string path = string.Empty;
				if (this.FindSystemWidth() == "32")
				{
					path = folderPath   "\\config\\systemprofile\\Desktop";
				}
				else
				{
					path = folderPath   "\\config\\systemprofile\\Desktop";
				}
				if (!Directory.Exists(path))
				{
					Directory.CreateDirectory(path);
				}
				result = true;
			}
			catch (Exception)
			{
				result = false;
			}
			return result;
		}

		public string FindSystemWidth()
		{
			ConnectionOptions options = new ConnectionOptions();
			ManagementScope scope = new ManagementScope("\\\\localhost", options);
			ObjectQuery query = new ObjectQuery("select AddressWidth from Win32_Processor");
			ManagementObjectSearcher managementObjectSearcher = new ManagementObjectSearcher(scope, query);
			ManagementObjectCollection managementObjectCollection = managementObjectSearcher.Get();
			string result = null;
			using (ManagementObjectCollection.ManagementObjectEnumerator enumerator = managementObjectCollection.GetEnumerator())
			{
				while (enumerator.MoveNext())
				{
					ManagementObject managementObject = (ManagementObject)enumerator.Current;
					result = managementObject["AddressWidth"].ToString();
				}
			}
			return result;
		}
	}
}