NSAttributedStringMBS.NSSpellingStateGrammarFlag = 1

Flag for grammar issues.

NSAttributedStringMBS.NSSpellingStateSpellingFlag = 0

Flag for spelling issues.

NSAttributedStringMBS.NSUnderlineByWord = &h8000

Draw the line only underneath or through words, not whitespace.

NSAttributedStringMBS.NSUnderlinePatternDash = &h0200

Draw a line of dashes.

NSAttributedStringMBS.NSUnderlinePatternDashDot = &h0300

Draw a line of alternating dashes and dots.

NSAttributedStringMBS.NSUnderlinePatternDashDotDot = &h0400

Draw a line of alternating dashes and two dots.

NSAttributedStringMBS.NSUnderlinePatternDot = &h0100

Draw a line of dots.

NSAttributedStringMBS.NSUnderlinePatternSolid = 0

Draw a solid line.

NSAttributedStringMBS.NSUnderlineStyleDouble = 9

Draw a double line.

NSAttributedStringMBS.NSUnderlineStyleNone = 0

Do not draw a line.

NSAttributedStringMBS.NSUnderlineStyleSingle = 1

// underline selected text in TextArea1

dim t as NSTextViewMBS = TextArea1.NSTextViewMBS
dim s as NSTextStorageMBS = t.textStorage

dim d as Dictionary = t.selectedTextAttributes
d.Value(NSAttributedStringMBS.NSStrikethroughStyleAttributeName) = s.NSUnderlineStyleSingle
t.selectedTextAttributes = d

Draw a single line.

NSAttributedStringMBS.NSUnderlineStyleThick = 2

Draw a thick line.

NSAttributedStringMBS.NSWritingDirectionEmbedding = 0

Text is embedded in text with another writing direction. For example, an English quotation in the middle of an Arabic sentence could be marked as being embedded left-to-right text.

NSAttributedStringMBS.NSWritingDirectionOverride = 1

Enables character types with inherent directionality to be overridden when required for special cases, such as for part numbers made of mixed English, digits, and Hebrew letters to be written from right to left.