Releases the handle to the device context.
释放设备上下文的句柄。
Now let's create a memory device context and select a new bitmap.
现在，让我们创建一个内存设备上下文，然后选择一个新的位图。
GDI draws lines using the current pen selected in the device context.
gdi用当前选进关联设备的画笔绘制直线。
Retrieves the device context into which the current bitmap is selected.
得到选入当前位图的设备描述表。
If a brush is used, it is the selected brush in the destination device context.
如果用到画刷，应使用目标设备上下文中选定的画刷。
Later on, you deselect the pen object from the device context and destroy the object.
稍后，你从关联设备取消画笔对象并销毁该对象。
The current pen selected in the device context is considered an attribute of the device context.
选进关联设备的当前画笔被认为是关联设备的属性。
The device context contains many "attributes" that determine how the GDI functions work on the device.
关联设备包含许多确定gdi函数如何在设备上工作的属性。
Draws the specified text at the specified location, using the specified device context, color, and font.
使用指定的设备上下文、颜色和字体在指定位置绘制指定文本。
All attributes of the device context have default values that are set when the device context is obtained.
关联设备的所有属性有缺省值，当关联设备被获得时它们被设置。
Creates a memory-device context that is compatible with another device context. You can use it to prepare images in memory.
创建内存设备上下文，与另一个设备上下文匹配。可以用它在内存中准备图像。
Environment context, device context and user context were researched to promote computing systems' initiative and intelligence.
利用环境上下文、设备上下文、用户上下文提高计算系统主动性和智能性。
GDI output functions can be used with a memory device context only if a bitmap has been created and selected into that context.
GDI的输出函数只有当内存设备环境上有了位图画布之后，才能进行输出。
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 enable applications to place output in memory rather than sending it to an actual device, use a special device context for bitmap operations called a memory device context.
要使程序能输出到内存中，而不是实际的设备上，使用操作位图的特殊设备环境，称之为内存设备环境。
To enable applications to place output in memory rather than sending it to an actual device, use a special device context for bitmap operations called a memory device context.
要使程序能输出到内存中，而不是实际的设备上，使用操作位图的特殊设备环境，称之为内存设备环境。
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