我怎么能运行外部程序在C？ [英] how can I run an external program In C?

问题描述

我如何运行C中的外部程序？对于像浏览器示例应用程序，字，记事本等。还我怎么能设置外部应用程序的窗口一定规模？例如 300×300 像素的窗口大小。

How can I run an external program in C? For example application programs like a browser, word, Notepad, etc. Also how can I set a certain size of the window of the external application program? For example a window size of 300 X 300 pixels.

推荐答案

的标准方法是系统 - 工程pretty多任何地方，但让你无法控制在如何子进程中运行。

The standard way is system -- works pretty much anywhere, but gives you no control over how the child process runs.

在上升控制（和复杂性）的顺序，Windows提供了： 的WinExec ， 的ShellExecute ， 的ShellExecuteEx 和 的CreateProcess 。随着CreateProcess的你传递一个 STARTUPINFO 或 STARTUPINFOEX 结构。无论哪种方式，您可以指定子窗口的起始位置和/或大小（虽然子进程可以和可以移动/调整它的窗口，它甚至可见之前）。

In ascending order of control (and complexity), Windows provides: WinExec, ShellExecute, ShellExecuteEx, and CreateProcess. With CreateProcess you pass a STARTUPINFO or STARTUPINFOEX structure. Either way, you can specify the starting position and/or size for the child window (though the child process can and may move/resize its window before it's even visible).

您也可能要考虑 升压过程 ，这是不接受升压的正式组成部分，但提供更多的控制比系统，同时保持合理的移植到相当数量的最广泛使用的系统（包括Windows和任何合理的POSIX状，如Linux或OS X）。

You might also want to consider Boost Process, which isn't accepted as an official part of Boost, but provides a bit more control than system, while remaining reasonably portable to a fair number of the most widely used systems (including both Windows and anything reasonably POSIX-like, such as Linux or OS X).

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