Value 

Meaning 

fmCreate

Create a file with the given name. If a file with the given name exists, open the file in write mode.

fmOpenRead

Open the file for reading only.

fmOpenWrite

Open the file for writing only. Writing to the file completely replaces the current contents.

fmOpenReadWrite

Open the file to modify the current contents rather than replace them.

fmShareCompat

Sharing is compatible with the way FCBs are opened.

fmShareExclusive

Other applications can not open the file for any reason.

fmShareDenyWrite

Other applications can open the file for reading but not for writing.

fmShareDenyRead

Other applications can open the file for writing but not for reading.

fmShareDenyNone

No attempt is made to prevent other applications from reading from or writing to the file.

The share mode must be one of the following values:

Value 

Meaning 

fmShareCompat

Sharing is compatible with the way FCBs are opened.

fmShareExclusive

Other applications can not open the file for any reason.

fmShareDenyWrite

Other applications can open the file for reading but not for writing.

fmShareDenyRead

Other applications can open the file for writing but not for reading.

fmShareDenyNone

No attempt is made to prevent other applications from reading from or writing to the file.

delphi TFileStream.create的更多相关文章

  1. Delphi TFileStream 打开模式与共享模式

    { TFileStream create mode } fmCreate = $FF00; { Create a file with the given name. If a file with th ...

  2. 转Delphi中Create(nil),Create(self),Create(Application)区别

    Create(nil);//需要自己释放 Create(Self);//当Self释放时自动触发释放 Create(Application);//当Application释放时自动释放 Create( ...

  3. delphi的TFileStream 内存流

    一.文件 文本文件是以行为单位进行读.写操作的.文本文件只能单独为读或写而打开,在一个打开的文本文件上同时进行读.写操作是不允许的. 二.定义 FileStream: TFileStream; 三.打 ...

  4. 关于 Delphi 中流的使用(2) 用 TFileStream(文件流) 读写

    TStream 是一个抽象的基类, 不能直接生成对象. 在具体的应用中, 主要使用它的子孙类:TFileStream: 文件流TStringStream: 字符串流TMemoryStream: 内存流 ...

  5. delphi公共函数 UMyPubFuncFroc--版权所有 (C) 2008 勇者工作室

    {*******************************************************} { } { Delphi公用函数单元 } { } { 版权所有 (C) 2008 勇 ...

  6. Delphi完成的断点续传例子 转

    unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms ...

  7. delphi 换行操作 Word

    delphi 换行操作 我将我的商用<旅行社管理系统>的 发团通知 部分奉献给您,望对您有所帮助. procedure TFrmMain.N327Click(Sender: TObject ...

  8. Delphi ServerSocket,ClientSocket示例

    Delphi ServerSocket,ClientSocket示例 2008-05-09 16:20 Delphi TServerSocket,TClientSocket实现传送文件代码 1.建立两 ...

  9. delphi 2010 导出sql server 数据到DBF乱码问题

    近日,由于业务需要导出sql server 数据到DBF文件,要查询多表记录,并适当处理后生成导出DBF文件,系统使用delphi2010平台开发. 首先按要求在VFP里创建DBF表,字段数有240个 ...

随机推荐

  1. [HackerCup Round1 2] Autocomplete (Trie)

    题目链接:https://www.facebook.com/hackercup/problems.php?pid=313229895540583&round=344496159068801 题 ...

  2. 使用spring的邮件发送功能

    使用spring提供的MailSender和JavaMailSender类. 1.邮件对象类 package cn.luxh.app.mail; import java.util.List; impo ...

  3. xcode C++一些简单设置

    下面是一个要用到mysql库的C++程序设置: 添加用户头文件: 双击项目-Build Settings-Search Paths: Library Search Paths: /usr/local/ ...

  4. ee

    <!DOCTYPE html><html><head><meta charset="UTF-8"><title>Inse ...

  5. xdg-open 打开“irc:*”链接

    用于打开chrome浏览器中的"irc://*" #cp /usr/share/applications/xchat.desktop /home/zsj/.local/share/ ...

  6. Windows消息初探（1）

    Windows消息初探(1) 最近恢复对Windows API的学习,深深感受到没有对应的中文资料的痛苦,于是上MSDN上面去将Windows消息搞了一些回来翻译出来,供自己查阅,也与大家分享,能力有 ...

  7. IOS开发-phonegap及免证书及真机调试

    回头补记(Last edited at 2015.5.24). 第一步:建立项目 参见:Xcode5 + phoneGap2.9搭建ios开发环境 下载phonegap2.9.1,解压. 命令行,进入 ...

  8. Oracle VM VirtualBox 安装笔记

    [CentOS 6] 1.在官网下载VirtualBox-4.2-4.2.16_86992_el6-1.x86_64.rpm安装. 2.YUM安装kernel-devel包. 3.把用户加入vboxu ...

  9. Windows 7（x64）下安装Ubuntu12.4

    对于想安装双系统,但是U盘无法引导安装Ubuntu的,下面的办法是很有效的. 〇.BIOS设置 启动选择:Legacy 一.使用U大师分区 U大师U盘装系统Win03pe工具箱V2.1 磁盘分配情况( ...

  10. ajax跨域提交

    ajax跨域提交     如果在两个网站之间进行异步互动想要通过ajax时不可能的,因为header不支持xmlhttprequest这种方式的跨域提交. 但是jquery的ajax同时还提供了jso ...