TRichView Reference | Types
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TRVOpacity = type Integer;
Specifies the object opacity in 1/1000 of percent. Valid values are in range 0..100 000. The larger the value, the less transparent the object is.
•0 means full transparency, the object is invisible
•100 000 means that the object is opaque
•50 500 means 50.5% opacity.
Physically, only 256 gradations of transparency is supported by screen and other devices. The higher precision range is chosen for the convenience of specifying opacity in fractions of percent.
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