kCTUnderlineColorAttributeName
The underline color.
Declaration
let kCTUnderlineColorAttributeName: CFStringDiscussion
Value must be a CGColor object. Default is the foreground color.
See Also
Constants
kCTCharacterShapeAttributeNamekCTFontAttributeNamekCTKernAttributeNamekCTLigatureAttributeNamekCTForegroundColorAttributeNamekCTForegroundColorFromContextAttributeNamekCTParagraphStyleAttributeNamekCTStrokeWidthAttributeNamekCTStrokeColorAttributeNamekCTSuperscriptAttributeNamekCTUnderlineStyleAttributeNamekCTVerticalFormsAttributeNamekCTGlyphInfoAttributeNamekCTRunDelegateAttributeNamekCTBaselineOffsetAttributeName