It's a very cool 3d rendering of light, and like our current background, it is also abstract and visually beautiful.

这是一张很酷的3d光线渲染图，像我们现在用的背景一样，也是抽象派，看起来很炫目。

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In the current background of global energy shortages, energy conservation is the important issue we face.

在当前全球能源短缺背景下，节约能源是我们面临的重要的问题。

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COLORREF value that represents the current background color. If this value is -1, the control is using the system color for the background color.

返回一个代表当前背景颜色的COLORREF值。如果这个值是- 1，则控件正使用系统的颜色作为背景色。

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COLORREF value that represents the current background color. If this value is -1, the control is using the system color for the background color.

返回一个代表当前背景颜色的COLORREF值。如果这个值是- 1，则控件正使用系统的颜色作为背景色。

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