Symbian 经常用的函数总结

核心提示：A class derived from TDesC, which describes an area of memory used as either a string or some binary data.描述符：派生自TDesC的类，通过一个字串或者二进制数据来描述某块内存区，Symbian 经常用的函数总结(

A class derived from TDesC, which describes an area of memory used as either a string or some binary data.

描述符：派生自TDesC的类，通过一个字串或者二进制数据来描述某块内存区。

device

File Server : a hardware and software interface which may be associated with a volume, and which has one of the letters A through Z assigned to it.

设备：文件服务器，硬件或者软件的接口，通常与一个卷关联，分配A到Z中的某个字符作为标示。

See also: volume

device area

The area of the graphics device to which drawing can be done, (if no smaller clipping region is set in a window graphics context).

设备区：图形设备的某个区域，用来绘制图像，(若窗口图像内容中没有更小的剪切区)。

See also: clipping region

device password dialog

Dialogs that allow the user to enter or change the device password.

设备密码对话框：允许用户输入或者更改设备密码的对话框。

DFC

Delayed Function Call. A function that is called after all interrupt service routines have been called but before execution returns to application code. May be "scheduled" by ISRs to perform services for them.

延迟的函数调用：某函数在所有中断服务例程都调用过之后，执行结果返回之前被调用。可被ISR"调度"并为自己提供服务。

DFRD

Device Family Reference Design. All products from the same DFRD are able to run the same third party software, content and services. From v7.0 onwards, this term is no longer used.

设备族参考设计：相同DFRD下的产品可运行相同的第三方软件、内容和服务。v7.0版本以后，本项目不在使用。

dialog

A control, normally invoked by the selection of a menu command, allowing interaction between the user and the program.

对话框：通过对菜单命令的选择激活的控件，为用户和程序提供了交互的接口。

See also: control

digital certificate

An electronic message attachment that is used for security purposes. The