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Opacity of item background.

BackgroundOpacity: TRVOpacity;

The property must be in range from 0 (transparent) to 100000 (opaque).

Background color is specified in BackgroundColor property (inherited from TRVRectItemInfo).

Opacity is used only if shapes are drawn using GDI+ (in Delphi XE2+).

Use TRichViewEdit.SetCurrentItemExtraIntPropertyEx to change value of this property as an editing operation (rveipcBackgroundOpacity).

Default value

100000 (i.e. 100%)