Aspose::Cells::Drawing::Equations::GroupCharacterEquationNode class. This class specifies the Group-Character function, consisting of a character drawn above or below text, often with the purpose of visually grouping items in C++.... GetGroupChr() Specifies a symbol(default U+23DF). It is strongly...U16String& value) Specifies a symbol(default U+23DF). It is strongly...