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本程序对三种操作数据文件的方法进行测试，MFC的CArchive、STL的流和文件映射的CreateFileMapping，经过比较发现对数据文件的载入和存储速...
本程序对三种操作数据文件的方法进行测试，MFC的CArchive、STL的流和文件映射的CreateFileMapping，经过比较发现对数据文件的载入和存储速度，都是MFC>映射>STL，可见MFC的CArchive是进行数据文件操作的最佳选择！-procedures for the operation of the three data files, the method for testing the CArchive MFC, STL flow and document mapping CreateFileMapping, after comparison of the data contained in the document storage and speed are MFCgt; Mapping gt; STL, MFC CArchive Visibility data is the best file manipulation choice!
- 2022-04-14 22:09:49下载
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VC中提供了CFileDialog类来选择文件，如果想实现选择文件夹的功能，就不是那么简单了。下面的函数，可以实现选择文件夹的功能。并且可以指定文件夹和对话框的...
VC中提供了CFileDialog类来选择文件，如果想实现选择文件夹的功能，就不是那么简单了。下面的函数，可以实现选择文件夹的功能。并且可以指定文件夹和对话框的名称。-VC provides a CFileDialog to select the type of document, if you want to realize the function of choosing the folder, it is not so simple. The following function, you can choose to realize the function of the folder. And can specify the folders and the name of the dialog box.
- 2022-03-20 14:39:00下载
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TFileStorage component is intended for storing data (any, taken from a file spec...
TFileStorage component is intended for storing data (any, taken from a file specified by the developer) in a body of .exe file. Access to a file (being in a body of .exe project), realized through the "Data: Pointer". 存储数据到exe的元件TFileStorage-TFileStorage component is intended for storing data (any, taken from a file specified by the developer) in a body of. Exe file. Access to a file (being in a body of. Exe project), realized through the "Data : Pointer . " exe to data storage components TFileStorage
- 2022-09-24 14:35:03下载
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用vc开发，将AVI文件中的 视频数据进行分割，得到视频数据，这对数据解压非常有用...
用vc开发，将AVI文件中的 视频数据进行分割，得到视频数据，这对数据解压非常有用-it can split avi file data to many blocks,it s useful to compression.
- 2022-01-25 16:18:19下载
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脉冲编码调制
最后一个实验研究了模拟到数字转换属性的 PCM
确定了"开始"位和 7 个数据位和"停止"的两位。此外发现如果奇偶校验开关亮起，然后 1 停止位改为甚至奇偶
校验位。那就是，7 的数据比特加上将奇偶校验位总是将偶数 （请参阅图 8 B）设置图 8A。MSB LSB 量化交换
机将被实施使用示例和持有和量化器块。产出是 fed 通过多路复用器和输入输出比较的方法和利用非常低频率
的正弦波，观察了跟
- 2022-03-16 19:30:14下载
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MFC的开发过程，包括地址簿存储添加附加的通知…
mfc开发的通讯录存储的程序 包括添加 追加 查询资料等-mfc development process, including address book storage to add additional information such as query
- 2023-03-24 18:20:04下载
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WinCE下文件系统编程，在WinCE平台下创建文件。
WinCE下文件系统编程，在WinCE平台下创建文件。-under WinCE file system programming, the WinCE platform document creation.
- 2022-12-28 04:25:03下载
- 积分：1
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000 compressed archive utility. According to the document, size, type (file or d...
个压缩归档实用程序。按照文件的时间、大小、类型(文件或者目录)、最后修改时间等进行筛选 能够把这些文件压缩，并添加适当的注释帮助辨认 能够添加校验值以确保复制和网络传输时不出错 保持备份时的目录结构以便恢复。-000 compressed archive utility. According to the document, size, type (file or directory), last modified time to screen these documents compression, and add the appropriate Notes can be added to help identify the checksum to ensure replication and network transmission time is not wrong to keep the backup directory structure to restore.
- 2022-07-02 07:44:05下载
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this file is very helpful to it persons
this file is very helpful to it persons
- 2022-04-28 20:38:45下载
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this upload sample
this upload sample-this upload sample................
- 2022-02-20 09:36:49下载
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