Delphi 版本的获取PDF页数算法--PDF Page Count Algorithm(Delphi source code)      摘要: It's not often that you can't find coding examples on the internet to do basic programming tasks, so I was surprised when I couldn't find code to determine the page count of PDF documents.

I've had to return to my old hacking ways (ie 'hacking' in its original sense). I visited my favorite hacking website - www.wotsit.org, downloaded the PDF document specifications and got coding.

It didn't take too long to construct a reasonably efficient algorithm which does what I want. I've  阅读全文

DateDiff in c#(转载:DateDiff 方法在C#中的实现）      摘要: This article explains how a DateDiff function can be implemented in C#

DateDiff function is a very powerful global method available in VB .Net.
Unfortunately this function for reasons known only to Microsoft, is not available in C#.
DateDiff 在VB.Net中是一个非常有用的方法，很遗憾C#中却没有这个方法，那么我们实现一个。  阅读全文

A VB module to merge PDFs to One,Need full version Acrobat      摘要: 一个利用Acrobat SDK合并PDF的VB Module  阅读全文

Returns the mime type associated with the extension

Exports datatable to CSV or Excel format      摘要: 导出datatable为CSV或者XlS格式  阅读全文