Opaque Background (o) : Existing image is obscured by all parts of the selection.
不透明背景(O)：现有图像被选定内容的所有部分遮掩。
You can switch from a transparent background (the default) to an opaque background, and back again.
您可以从透明背景（默认情况）切换到不透明背景，然后再切换回去。
When you use a selection tool, the Transparent Background and Opaque Background options appear in the option selector on the Image Editor toolbar (as seen below).
当使用选择工具时，“透明背景”和“不透明背景”选项出现在“图像编辑器”工具栏上的“选项”选择器中(如下所示)。
One advantage to this is that the text and icon are drawn completely opaque, remaining readable, as the background opacity is faded.
这一个优点是，文本和图标绘制完全不透明，其余可读的背景不透明，是褪色。
However, you can allow your control to have a background color that is opaque, transparent, or partially transparent by using the.
默认情况下，控件不支持透明背景色。但是，通过使用构造函数中的。
This would cause the button's background to fade in and out of view, while leaving its text fully opaque.
这会导致按钮的背景淡入和淡出视野，同时使其文本完全不透明。
Method to create a background color that is opaque, transparent, or partially transparent.
方法来创建不透明、透明或部分透明的背景颜色。
Method to create a background color that is opaque, transparent, or partially transparent.
方法来创建不透明、透明或部分透明的背景颜色。
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