使程序只运行一个实例

此代码文件会计算任何两个矩阵相乘。矩阵可以是任意大小。它还检查乘法有效性条件。如果两个矩阵的乘法是不可能的情况下它会造成一个错误然后将需要来自用户的另一个矩阵。

这是书上的关于24点游戏的代码，就是4张扑克牌用加减乘除凑24的游戏，VC编的，希望对大家有帮助-This is a book on the 24-point game of the code, that is, four cards together with calculation of 24 games, VC series, and they hope to help everyone

熟悉智能卡操作的朋友都知道微软的PC/SC规范提供了一个智能卡读卡器的标准，我在此之上封装了这个PCSC的类，用以执行对智能卡的连接，以及执行符合GSM11.11的APDU指令，希望对大家有所帮助-familiar with the operation of the Smart Card friends all know Microsoft PC/SC standard provides a smart card reader standard accurate, and I would like to close the top of the PCSC category for the implementation of smart card connectivity, and the implementation of the Application Protocol Data Unit with GSM Directive, we hope to help

visual sense 下的MCL仿真程序-simulation program for MCL under platform visual sense

CNetworking

Reconstruction of Solid Models from Oriented Points Sets

这是一个完整的基于select i/o网络库，封装成dll，直接使用dll就可以了， 是vc6写的，呵呵， 代码还不错。

图片控制控件(VB.NET2005) === === === === === ===== 一个VB.NET2005编写的图片控制操作的源代码控件，主要功能有支持图片放大缩小、支持图片色彩反转、自适应窗体大小、返回实际像素、支持图片多种方式旋转和翻转，支持图片两种模式漫游。-Picture control control (VB.NET2005) =================================== prepared a picture VB.NET2005 control the operation of the source code control, the main function to support picture zoom, support for image color inversion, adaptive form size, the return of the actual pixels, support for image rotation and flip a number of ways to support two models roaming picture.

Visual Basic for learning beginner

用VC开发的类似Excel的报表-development of the VC similar statements Excel