Functions that get (or create) and release (or destroy) a device context as we saw in earlier chapters, you need a handle to a device context in order to draw.
获得(或创建)和释放(或销毁)关联设备的函数-正如我们在前几章看到的，你需要关联设备的句柄以便绘制。
Releases the handle to the device context.
释放设备上下文的句柄。
Although these functions are considered to be part of GDI, unlike most GDI functions they do not require a handle to a device context.
尽管这些函数被认为是GDI的一部分，但是并不像大多数gdi函数，它们不需要关联设备句柄。
To use this pen, you "select" the pen handle into the device context.
为了使用该画笔，你将画笔句柄“选”尽关联设备。
To use this pen, you "select" the pen handle into the device context.
为了使用该画笔，你将画笔句柄“选”尽关联设备。
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