看看:

http://www.codeproject.com/KB/graphics/BarcodeLibrary.aspx
http://www.codeproject.com/KB/graphics/upc_a_barcode.aspx
http://www.codeproject.com/KB/graphics/barcode5.aspx
http://www.codeproject.com/KB/graphics/barcode1.aspx
http://www.codeproject.com/KB/graphics/ean_13_barcodes.aspx
http://www.codeproject.com/KB/graphics/BarcodeGenerator.aspx
http://www.codeproject.com/KB/graphics/barcode2.aspx

Have a look at:

http://www.codeproject.com/KB/graphics/BarcodeLibrary.aspx
http://www.codeproject.com/KB/graphics/upc_a_barcode.aspx
http://www.codeproject.com/KB/graphics/barcode5.aspx
http://www.codeproject.com/KB/graphics/barcode1.aspx
http://www.codeproject.com/KB/graphics/ean_13_barcodes.aspx
http://www.codeproject.com/KB/graphics/BarcodeGenerator.aspx
http://www.codeproject.com/KB/graphics/barcode2.aspx

^ ]将帮助您查找网络上所有可用的打印机.

检查有问题的建议答案无法获取打印机状态与c#.net吗? [在.net中检查打印机状态 [ ^ ]用于另一个代码示例.

最后但并非最不重要的有关条形码生成，打印和其他功能的文章.
1. 使用C#绘制UPC-A条形码 [ ^ ].
2. 使用C#创建EAN-13条形码 [ ^ ].
3. 适用于Code 39标准的高级条形码生成系统 [ ^ ].
4. 如何使用Barcode Professional在ASP.NET Web应用程序中打印条形码图像 [ ^ ].

How to Get Printers Listing in C#[^] will help you finding all printers available on your network.

Check the answers suggested in question Not possible to get printer status with c#.net?[^] for getting status of printer. And Check printer status in .net[^] for another code sample.

Last, but not the least nice articles on Barcode Generation, printing and other functionality.
1. Drawing UPC-A Barcodes with C#[^].
2. Creating EAN-13 Barcodes with C#[^].
3. Advanced Barcode Generation System for Code 39 Standards[^].
4. How to print barcode images in ASP.NET Web Applications with Barcode Professional[^].