Releases the handle to the device context.

释放设备上下文的句柄。

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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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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。

youdao