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Alias for TCharacter.IsHighSurrogate
Source position: character.pas line 162
| function IsHighSurrogate( | 
| AChar: UnicodeChar | 
| ):Boolean; overload; | 
| const AString: UnicodeString; | 
| AIndex: Integer | 
| ):Boolean; overload; | 
| AChar | 
 | UTF16 Character | 
True if the indicated character has category ucSurrogate and is in the high range of the surrogate characters.
| AString | 
 | String containing UTF-16 encoded characters | 
| AIndex | 
 | Index of UTF16 encoded character in AString to be checked. | 
IsHighSurrogate is a shortcut for TCharacter.IsHighSurrogate
| 
 | Check whether a unicode character is a surrogate in the high range |