TRichView Reference | TRVStyle | TRVBorder

TRVBorder.InternalWidth

Spacing between lines (centers of lines) in double and triple borders.

property InternalWidth: Integer

For example, if Style=rvbDouble, InternalWidth=1, and Width=1, you'll see two lines having 1-pixel width, with 1-pixel spacing between them.

Default value:

1